CATALOGO WOSSNER 2022

POWERSPORTS CATALOGUE 2022

WÖSSNER GROUP WE ARE THE INNOVATIVE SPECIALISTS FOR HIGH PERFORMANCE PISTONS, C O N R O D S , G A S K E T S A N D VA LV E S . Our products are to be Wössner products are the source found in engines operating of the superior power behind at the highest levels of the success of well known motorsport, in competition motorsport teams at national and, of course, in everyday and international race meets, use – in fact, anywhere, where and with distribution points and longevity, highest performance warehouses in Europe, North and operational noise are America and Asia our products important factors. are just a phone call away. 2

FORGING GROUP MONALE Forging Group Monale was born in July 2009 when Mr. Wössner (owner of Wössner GmbH) bought an Italian aluminum forging company. Considering equipment’s presses and trimming, heat treatment, tumbling and knowledge, we decided to enter in every pickling. Quality department support field where forged parts are needed. the production with the Scan Laser We supply more than 50% abroad. We are for the dimensional check, with the a small company; this allowed us to give automatic Crack Test equipment, with the to our customers a very good service in Spectrometer and hardness equipment. term of reactivity, flexibility, competiveness We certify our forged parts and we and quality. guarantee traceability. We are certified ISO 9001:2015 and FGM can offer also machined and we adopted, from many years, the assembled parts, machining, anodizing Organization Model 231. and shot blasting. External suppliers make these. We are able to forge very small We buy raw material in according to the parts (few grams) as well as big parts Certify 3.1 and, when requested, raw (10/12 Kg). material checked by Ultrasonic Test class “A” and “AA”. Our forging presses are as follows: Alloys that we normally forge are 2014, Nº 3 hydraulic presses 1.000 Tons/each 2024, 2618, 4032, 6060, 6082, 7003, Nº 1 Screw press 300 Tons 7020, 7022, 7055 and 7075. Nº 1 Screw press 600 Tons Nº 1 Screw press 800 Tons We are able to produce raw parts with Nº 2 Screw presses 1.400 Tons the complete forging process, it means that in FGM we can saw billets and Every press has his pre heating oven. below provide for pre heating, forging, We have also mechanical presses from 60 Tons to 200 Tons for trimming. 3

70'S FOUNDATION OF WÖSSNER At the end of the 70's, Eckart Wössner starts by importing pistons into Germany. GROWTH DEMAND FORWARD IN MONALE FOUNDATION OF WÖSSNER ASIA Wössner's expansive Wössner acquires its own smithy development requires an and thereby secures the quality Headquartered in increase in the production area Taichung. Wössner to fourfold in early 2003. of its metals: FGM Forging Group Monale now belongs to pistons are still produced exclusively the Wössner Group. in Germany. 2003 2009 2015 1994 2005 2011 OWN PISTONS FOUNDATION OF FOUNDATION OF WÖSSNER USA WÖSSNER ITALIA The in-house production WEST COAST of forging pistons took DIVISION The growing demand place in the 1990s, in for high-performance 1994 the foundation stone Wössner Group USA for Wössner GmbH was expands in 2005 forging pistons led to the founding of laid. with the founding of Wössner Italia Srl. in Wössner USA Inc. in Monale. California. 4

RESTRUCTURING OF WÖSSNER 40TH ANNIVERSARY USA TO WÖSSNER N.A. INC One year after moving into the Wössner USA has been restructured new headquarters, Wössner with the creation of Wössner N.A. Inc with all locations being consolidated celebrates its 40th anniversary in March 2019. What began as to Wössner N.A. Inc Corporate a one-man business developed Headquarters in Willoughby, Ohio over decades into a globally operating company, which is Division in Ohio. constantly expanding. 2017 2019 2020 2016 2018 START OF COMPLETION AND 2020 FOUNDATION CONSTRUCTION OF MOVE INTO THE NEW OF WÖSSNER UK THE NEW COMPANY HEADQUARTERS OF CENTER WÖSSNER LTD. Wössner UK is founded and WÖSSNER GMBH moves into a new facility, Located in Konrad-Zuse- Strasse in Haltingen / Weil am Wössner GmbH moves to the increasing stock and reducing new headquarters in Haltingen lead times on deliveries. Rhein. It was completed in February 2018. / Weil am Rhein, significantly increasing production. 2022 Wössner USA gets ready to produce the first ever Wossner pistons, outside of Europe 5

CONTENTS 008 BetaMotor 2-stroke 012 BetaMotor 4-stroke 016 Derbi 4-stroke 018 GasGas 2-stroke 024 GasGas 4-stroke 030 Honda 2-stroke 046 Honda 4-stroke 064 Husaberg 2-stroke 066 Husaberg 4-stroke 076 Husqvarna 2-stroke 088 Husqvarna 4-stroke 100 Kawasaki 2-stroke 114 Kawasaki 4-stroke 6

128 KTM 2-stroke 244 2-stroke 146 KTM 4-stroke performance kits 164 Maico 2-stroke 166 Rotax 2-stroke 246 4-stroke 168 Sherco 2-stroke performance kits 170 Sherco 4-stroke 172 Suzuki 2-stroke 248 2-stroke Con rods 188 Suzuki 4-stroke 254 4-stroke Con rods 196 TM 2-stroke 261 Crankshafts 202 TM 4-stroke 262 Cylinders 206 Yamaha 2-stroke 263 Oil seals 226 Yamaha 4-stroke 264 Needle & Main bearings 266 Pins 268 Ring packs & Rings 273 Piston ring end gap guidelines 274 Locating pin common causes of failure 275 Cylinder finish 276 4-stroke two ring pistons 277 Terms and conditions 7

BETAMOTOR 2-STROKE BETAMOTOR 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT RR 125 Enduro PRICECODE 53.95 STD RSV5400 BETAMOTOR 4-STROKE RR 200 Enduro 8174DA 53.96 +0.01 RSV5400 53.97 +0.02 RSV5400 8174DB 53.98 +0.03 RSV5400 54.45 +0.50 RSB5450 2018-2022 8174DC 2 54.95 +1.00 RSB5500 54.50 29.50 8174DD 61.96 STD RSB6200 61.97 +0.01 RSB6200 8174D050 61.98 +0.02 RSB6200 8174D100 DERBI 4-STROKE 2019-2022 TBA 63.00 38.20 RR 250 Enduro 2013-2021 8310DA 3 66.34 STD RSB6640 38.20 Xtrainer 250 2018-2021 8310DB 66.35 +0.01 RSB6640 8310DC 66.36 +0.02 RSB6640 72.00 GASGAS 2-STROKE RR 250 Enduro 2022 66.34 STD RSB6640 Xtrainer 250 66.35 +0.01 RSB6640 66.36 +0.02 RSB6640 72.00 GASGAS 4-STROKE RR 300 Enduro 2013-2017 8298DA 6 71.96 STD RSB7200 38.00 Xtrainer 300 2015-2017 8298DB 71.97 +0.01 RSB7200 8298DC 71.98 +0.02 RSB7200 72.00 8 © Wössner ®

BETAMOTOR 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT DUAL RING MBNJ206 ( MAG ) BETAMOTOR 4-STROKE SEMI-KEYSTONE WP032 CW15 N1010 DXXXX P2070 CS2070 DUAL RING 1MM FLAT MB63052RS ( PTO ) DUAL RING 1MM FLAT DXXXX MBXXXX CSXXXX DERBI 4-STROKE DXXXX ( MAG ) CSXXXX WP033 CW18 DUAL RING N1021 DXXXX P2073 CSXXXX 1MM FLAT N1021 DXXXX P2073 MBXXX CSXXXX WP033 CW18 N1020 P2069 ( PTO ) GASGAS 2-STROKE DUAL RING MB6305C3 1MM FLAT ( MAG ) WP039 CW18 MB6305C3 GASGAS 4-STROKE ( PTO ) MB6305C3 ( MAG ) MB6305C3 ( PTO ) MB6206C3 ( MAG ) MB6206C3 ( PTO ) © Wössner ® 9

BETAMOTOR 2-STROKE BETAMOTOR 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT RR 300 Enduro PRICECODE 71.96 STD RSB7200 71.97 +0.01 RSB7200 BETAMOTOR 4-STROKE Xtrainer 300 2018-2021 8309DA 71.98 +0.02 RSB7200 8309DB 8309DC 6/1 72.00 37.50 RR 300 Enduro 2022 TBA 72.96 STD RSB7300 72.97 +0.01 RSB7300 72.98 +0.02 RSB7300 69.90 Xtrainer 300 DERBI 4-STROKE GASGAS 2-STROKE GASGAS 4-STROKE 10 © Wössner ®

BETAMOTOR 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT DUAL RING CSXXXX WP042 CW18 1MM FLAT N1021 DXXXX P2073 MB6206C3 BETAMOTOR 4-STROKE NXXXX DXXXX PXXXX ( MAG ) CSXXXX DUAL RING 1MM FLAT MB6206C3 ( PTO ) MBXXXX DERBI 4-STROKE ( MAG ) MBXXXX ( PTO ) GASGAS 2-STROKE GASGAS 4-STROKE © Wössner ® 11

BETAMOTOR 2-STROKE BETAMOTOR 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET RR 250 Enduro COMPR. RATIO RATIO PRICECODE 74.95 STD 750XDS-3 74.96 +0.01 750XDS-3 BETAMOTOR 4-STROKE 8592DA 8592DB 2005-2007 12.0:1 12.0:1 5/1 4019DA 87.96 STD 87.97 +0.01 RR-S 350 Enduro 2016-2022 13.4:1 13.19:1 7 94.96 STD TPR88.00 RR-S 430 Enduro 7 94.97 +0.01 RIK95.00 4019DB 88.96 STD RR 450 Enduro 7/1 88.97 +0.01 890XSY-3 4007DA 88.98 +0.02 2015-2022 12.5:1 12.33:1 DERBI 4-STROKE 4007DB 8581DA 8581DB 2005-2009 8581DC 11.1:1 11.0:1 8581DA 88.96 STD 8581DB 88.97 +0.01 GASGAS 2-STROKE RR 450 Enduro 2005-2009 8581DC 11.1:1 11.0:1 7 88.98 +0.02 890XSY-3 4013DA 99.96 STD 99.97 +0.01 4013DB RR-S 500 Enduro 2015-2022 12.3:1 11.86:1 7 1000ADS-2 GASGAS 4-STROKE 12 © Wössner ®

BETAMOTOR 2-STROKE STROKE COMPRESSION PISTON PIN CLIP PISTON DETAILS TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT HEIGHT SLIPPER STYLE CSXXXX 56.5 25.30 WP029-SP CW20 DXXXX P4048 MBNJ206 BETAMOTOR 4-STROKE ( MAG ) MBNJ206 ( POT ) 57.40 26.00 WP072-SP CW18 DOUBLE BRIDGED DXXXX PXXXX MBXXXX CSXXXX 60.84 23.80 WP028-SP CW19 GAS PORTING DOUBLE BRIDGED DXXXX PXXXX MBXXXX CSXXXX RIKEN RING P4048 CSXXXX GAS PORTING P4048 MBNJ206 CSXXXX DERBI 4-STROKE PXXXX ( MAG ) CSXXXX 72.00 23.50 WP038-SP CW20 SLIPPER STYLE DXXXX MBNJ206 72.00 23.50 WP038-SP CW20 SLIPPER STYLE DXXXX ( POT ) GASGAS 2-STROKE 60.80 23.45 WP028-SP CW19 PRO SERIES DXXXX MBNJ206 DOUBLE BRIDGED GAS ( MAG ) PORTING MBNJ206 ( POT ) MBXXXX GASGAS 4-STROKE ( MAG ) MBXXXX ( POT ) © Wössner ® 13

BETAMOTOR 2-STROKE BETAMOTOR 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET RR 525 Enduro COMPR. RATIO RATIO PRICECODE RIK95.00 94.95 STD BETAMOTOR 4-STROKE RR 525 Enduro 8547DA 94.96 +0.01 RIK97.00 94.97 +0.02 8547DB 96.95 +2.00 2005-2009 8547DC 11.0:1 11.0:1 7/1 8547D200 8637DA 94.95 STD RIK95.00 RIK97.00 8637DB 94.96 +0.01 2005-2009 8637DC 12.5:1 11.0:1 7/1 94.97 +0.02 DERBI 4-STROKE 8637D200 96.95 +2.00 GASGAS 2-STROKE GASGAS 4-STROKE 14 © Wössner ®

BETAMOTOR 2-STROKE STROKE COMPRESSION PISTON PIN CLIP PISTON DETAILS TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT HEIGHT CSXXXX DOUBLE BRIDGED MBNJ206 CSXXXX BETAMOTOR 4-STROKE RIKEN RING ( MAG ) 72.00 23.50 WP073-SP CW20 DXXXX P4048 MBNJ206 P4048 ( POT ) 72.00 23.50 WP073-SP CW20 PRO SERIES DXXXX DOUBLE BRIDGED MBNJ206 ( MAG ) RIKEN RING MBNJ206 ( POT ) DERBI 4-STROKE GASGAS 2-STROKE GASGAS 4-STROKE © Wössner ® 15

BETAMOTOR 2-STROKE DERBI 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET MULHACIEN 659 COMPR. RATIO RATIO PRICECODE 99.95 STD GNH100.00 BETAMOTOR 4-STROKE 8617DA 100.95 +1.00 GNH101.00 101.95 +2.00 GNH102.00 8617D100 102.95 +3.00 GNH103.00 103.95 +4.00 GNH104.00 2006-2008 8617D200 11.0:1 10.0:1 7/1 8617D300 8617D400 DERBI 4-STROKE GASGAS 2-STROKE GASGAS 4-STROKE 16 © Wössner ®

BETAMOTOR 2-STROKE STROKE COMPRESSION PISTON PIN CLIP PISTON DETAILS TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT HEIGHT CSXXXX 84.00 27.50 WP024-SP CW23 PRO SERIES DXXXX PXXXX MBXXXX BETAMOTOR 4-STROKE SLIPPER STYLE ( MAG ) SECOND NAPPIER RING MBXXXX ( POT ) DERBI 4-STROKE GASGAS 2-STROKE GASGAS 4-STROKE © Wössner ® 17

BETAMOTOR 2-STROKE GASGAS 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT MC 50 PRICECODE 39.46 STD RSB3950 39.47 +0.01 RSB3950 BETAMOTOR 4-STROKE 8262DA 39.48 +0.02 RSB3950 8262DB 2021 - 2022 8262DC 1 40.00 21.60 DERBI 4-STROKE MC 65 2021 - 2022 8241DA 1 44.96 STD RSV4500 40.80 21.60 2021 - 2022 8241DB 1 44.97 +0.01 RSV4500 48.95 24.00 GASGAS 2-STROKE MC 85 2021 - 2022 8241DC 2 44.98 +0.02 RSV4500 54.50 29.50 MC 125 2021 - 2022 8241DD 3 44.99 +0.03 RSV4500 54.50 29.50 EC 125 8241DE 45.00 +0.04 RSV4500 8147DA 46.95 STD RSV4700 MC 125 8147DB 46.96 +0.01 RSV4700 EC 125 8147DC 46.97 +0.02 RSV4700 8147DD 46.98 +0.03 RSV4700 GASGAS 4-STROKE 8147DE 46.99 +0.04 RSV4700 8220DA 53.95 STD RSV5400 8220DB 53.96 +0.01 RSV5400 8220DC 53.97 +0.02 RSV5400 8220D200 55.95 +2.00 RSB5600 8220D400 57.95 +4.00 RSB5800 8174DA 53.95 STD RSV5400 8174DB 53.96 +0.01 RSV5400 8174DC 53.97 +0.02 RSV5400 8174D050 55.95 +2.00 RSB5450 8174D100 57.95 +4.00 RSB5500 18 © Wössner ®

BETAMOTOR 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT CSXXXX WP101 CW12 1MM FLAT NXXXX DXXXX P2053 MB6203C3 CSXXXX BETAMOTOR 4-STROKE N1037 DXXXX P2055 ( MAG ) CS8147 WP091 CW12 SEMI-KEYSTONE N1006 DXXXX P2065 CS2070 N1010 DXXXX P2070 MB6203C3 CS2070 SEMI-KEYSTONE N1010 DXXXX P2070 ( POT ) DERBI 4-STROKE WP058 CW14 SEMI-KEYSTONE MB6304C3 ( MAG ) WP032 CW15 1MM FLAT GASGAS 2-STROKE 1MM FLAT MB6304C3 WP032 CW15 SEMI-KEYSTONE ( POT ) Dual Ring 1MM FLAT MB6304C3 GASGAS 4-STROKE 1MM FLAT ( MAG ) MB6304C3 ( POT ) MB6304C3 ( MAG ) MB6305JR2 ( POT ) MB6304C3 ( MAG ) MB6305JR2 ( POT ) © Wössner ® 19

BETAMOTOR 2-STROKE GASGAS 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT TXT 125 PRICECODE 53.95 STD RSB5400 53.96 +0.01 RSB5400 BETAMOTOR 4-STROKE 8218DA 53.97 +0.02 RSB5400 8218DB 2003-2009 8218DC 2 54.50 29.50 EC 200 2000-2014 8139DA 62.45 STD RSB6250 EC 200 R 2014-2021 8139DB 62.46 +0.01 RSB6250 8139DC 62.47 +0.02 RSB6250 65.00 3 32.00 DERBI 4-STROKE 8132DA 63.95 STD RSB6400 8132DB 63.96 +0.01 RSB6400 TXT 200 1999-2006 3/1 54.50 30.00 GASGAS 2-STROKE EC 250 1997-2014 8052DA 3 66.33 STD RSB6640 38.00 EC 250 R 2014-2020 8052DB 66.34 +0.01 RSB6640 38.00 SM 250 1997-2008 8052DC 66.35 +0.02 RSB6640 72.00 MC 250 1997-2008 8052DD 66.36 +0.03 RSB6640 EC 250 2021 - 2022 8169DA 3 66.34 STD RSB6640 8169DB 66.35 +0.01 RSB6640 8169DC 66.36 +0.02 RSB6640 72.00 GASGAS 4-STROKE 20 © Wössner ®

BETAMOTOR 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT 1MM FLAT CSXXXX WP036 CW16 NXXXX DXXXX PXXXX MBXXXX CSXXXX BETAMOTOR 4-STROKE 1MM FLAT N1020 DXXXX PXXXX ( MAG ) CSXXXX WP040 CW18 NXXXX DXXXX PXXXX CSXXXX 1MM FLAT N1021 DXXXX P2021 MBXXXX CSXXXX DUAL RING N1020 DXXXX P2023 ( POT ) DERBI 4-STROKE 1MM FLAT MBXXXX WP027 CW16 ( MAG ) DUAL RING WP033 CW18 1MM FLAT MBXXXX GASGAS 2-STROKE ( POT ) WP033 CW18 MBXXXX ( MAG ) GASGAS 4-STROKE MBXXXX ( POT ) MBXXXX ( MAG ) MBXXXX ( POT ) MB6305C3 ( MAG ) MB6305C3 ( POT ) © Wössner ® 21

BETAMOTOR 2-STROKE GASGAS 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT TXT 250 PRICECODE 72.46 STD RSB7250 72.47 +0.01 RSB7250 BETAMOTOR 4-STROKE 8163DA 72.48 +0.02 RSB7250 8163DB 2002-2022 8163DC 3/1 60.00 28.75 TXT 280 8144DA 75.96 STD RSC7600 MT 280 8144DB 75.97 +0.01 RSC7600 8144DC 75.98 +0.02 RSC7600 60.00 ALL YEARS 28.75 DERBI 4-STROKE EC 300 R 2014-2020 8077DA 71.93 STD RSB7200 EC 300 2000-2014 8077DB 71.94 +0.01 RSB7200 XC 300 2014-2020 8077DC 6 71.95 +0.02 RSB7200 72.50 38.00 GASGAS 2-STROKE EC 300 2021 - 2022 8304DA 6 71.93 STD RSB7200 38.00 8304DB 71.94 +0.01 RSB7200 8304DC 71.95 +0.02 RSB7200 72.00 TXT 300 ALL YEARS 8145DA 6/1 78.96 STD RSC7900 28.75 8145DB 78.97 +0.01 RSC7900 8145DC 78.98 +0.02 RSC7900 60.00 GASGAS 4-STROKE 22 © Wössner ®

BETAMOTOR 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT DUAL RING CSXXXX WP033 CA18 1MM FLAT NXXXX DXXXX PXXXX MBXXXX CSXXXX BETAMOTOR 4-STROKE NXXXX DXXXX PXXXX ( MAG ) CSXXXX WP033 CA18 DUAL RING N1021 DXXXX P2021 CSXXXX 1.2MM FLAT N1020 DXXXX P2023 MBXXXX CSXXXX NXXXX DXXXX PXXXX ( POT ) DERBI 4-STROKE DUAL RING MBXXXX WP033 CW18 1MM FLAT ( MAG ) WP033 CW18 DUAL RING MBXXXX GASGAS 2-STROKE 1MM FLAT ( POT ) MBXXXX DUAL RING ( MAG ) 1.2MM FLAT MBXXXX WP033 CA18 ( POT ) MB6305C3 ( MAG ) GASGAS 4-STROKE MB6305C3 ( POT ) MBXXXX ( MAG ) MBXXXX ( POT ) © Wössner ® 23

BETAMOTOR 2-STROKE GASGAS 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET EC 250 F COMPR. RATIO RATIO PRICECODE 76.96 STD RIK77.00D3 76.97 +0.01 RIK77.00D3 BETAMOTOR 4-STROKE 8614DA 76.98 +0.02 RIK77.00D3 8614DB 2010-2015 8614DC 12.5:1 12.5:1 5 8612DA 76.96 STD RIK77.00D RIK77.00D 8612DB 76.97 +0.01 RIK77.00D EC 250 F 2010-2015 8612DC 13.5:1 12.5:1 5/1 76.98 +0.02 DERBI 4-STROKE 8865DA 77.96 STD RIK78.00 RIK78.00 8865DB 77.97 +0.01 RIK78.00 EC 250 F 2021 - 2022 8865DC 13.9:1 13.9:1 5/1 77.98 +0.02 8979DA 77.96 STD RIK78.00 RIK78.00 GASGAS 2-STROKE 8979DB 77.97 +0.01 RIK78.00 EC 250 F 2021 - 2022 8979DC 14.23:1 13.9:1 7/1 77.98 +0.02 8923DA 77.96 STD RIK78.00 RIK78.00 8923DB 77.97 +0.01 RIK78.00 MC 250 F 2021 - 2022 8923DC 14.4:1 14.4:1 5/2 77.98 +0.02 GASGAS 4-STROKE 24 © Wössner ®

BETAMOTOR 2-STROKE STROKE COMPRESSION PISTON PIN CLIP PISTON DETAILS TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT HEIGHT DOUBLE BRIDGED CS4005 CS4005 53.60 22.20 WP070-SP CW16 RIKEN RING DXXXX P4005 MB830046 CSXXXX BETAMOTOR 4-STROKE THREE RING DXXXX P4005 ( MAG ) CSXXXX 53.60 22.20 WP070-SP CW16 DXXXX P4059 CSXXXX PRO SERIES DXXXX P4059 MB830046 DOUBLE BRIDGED DXXXX P4067 ( POT ) DERBI 4-STROKE 52.30 19.50 WP070-SP CW16 RIKEN RING MB830046 ( MAG ) 52.30 19.50 WP070-SP CW16 DOUBLE BRIDGED GASGAS 2-STROKE RIKEN RING MB830046 52.30 19.50 WP070-SP CW16 GAS PORTING ( POT ) PRO SERIES MBNJ206ECP-3 GASGAS 4-STROKE DOUBLE BRIDGED ( MAG ) RIKEN RING MBNJ206ECP-3 GAS PORTING ( POT ) DOUBLE BRIDGED MBNJ206ECP-3 RIKEN RING ( MAG ) GAS PORTING 3D DOME MILL MBNJ206ECP-3 ( POT ) MBNJ206ECP-3 ( MAG ) MBNJ206ECP-3 ( POT ) © Wössner ® 25

BETAMOTOR 2-STROKE GASGAS 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET MC 250 F COMPR. RATIO RATIO PRICECODE 77.96 STD RIK78.00 77.97 +0.01 RIK78.00 BETAMOTOR 4-STROKE 8924DA 77.98 +0.02 RIK78.00 8924DB 2021 - 2022 8924DC 14.6:1 14.4:1 5/2 EC 350 F 8990DA 87.96 STD TPR88.00 EX 350 F TPR88.00 8990DB 87.97 +0.01 TPR88.00 2021 - 2022 8990DC 13.5:1 13.5:1 7/3 87.98 +0.02 DERBI 4-STROKE EC 450 8585DA 94.95 STD RIK95.00 FSE 450 8585DB 94.96 +0.01 RIK95.00 8585DC 7/1 94.97 +0.02 RIK95.00 2003-2004 OEM OEM GASGAS 2-STROKE EC 450 F 2005 8615DA 94.95 STD RIK95.00 SM 450 R 2005-2006 8615DB 94.96 +0.01 RIK95.00 7/1 OEM OEM EC 450 F 2006-2009 8638DA 96.95 STD RIK97.00 SM 450 R 2007-2009 8638DB 96.96 +0.01 RIK97.00 8638DC 7 96.97 +0.02 RIK97.00 OEM OEM GASGAS 4-STROKE 26 © Wössner ®

BETAMOTOR 2-STROKE STROKE COMPRESSION PISTON PIN CLIP PISTON DETAILS TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT HEIGHT CSXXXX CSXXXX 52.30 19.50 WP070-SP CW16 DOUBLE BRIDGED DXXXX P4067 MBNJ206ECP-3 CSXXXX BETAMOTOR 4-STROKE RIKEN RING PXXXX ( MAG ) CSXXXX GAS PORTING PXXXX CSXXXX 3D DOME MILL PXXXX MBNJ206ECP-3 PXXXX ( POT ) 57.50 20.50 WP072-SP CW18 DOUBLE BRIDGED DXXXX MBXXXX TPR RING ( MAG ) DERBI 4-STROKE GAS PORTING MBXXXX 3D VALVE POCKET MILL ( POT ) MBXXXX 62.60 25.50 WP073-SP CW20 DOUBLE BRIDGED DXXXX ( MAG ) RIKEN RING THREE RING MBXXXX ( POT ) SLIPPER STYLE MBXXXX GASGAS 2-STROKE RIKEN RING ( MAG ) 62.60 25.50 WP038-SP CW20 DXXXX MBXXXX ( POT ) SLIPPER STYLE MBXXXX RIKEN RING ( MAG ) 60.80 25.50 WP038-SP CW20 DXXXX MBXXXX ( POT ) GASGAS 4-STROKE © Wössner ® 27

BETAMOTOR 2-STROKE GASGAS 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET EC 450 F COMPR. RATIO RATIO PRICECODE 94.96 STD RIK95.00 94.97 +0.01 RIK95.00 BETAMOTOR 4-STROKE 8630DA 94.98 +0.02 RIK95.00 8630DB 2013-2015 8630DC 12.3:1 12.3:1 7 8631DA 94.96 STD RIK95.00 RIK95.00 8631DB 94.97 +0.01 RIK95.00 EC 450 F 2013-2015 8631DC 13.5:1 12.3:1 7 94.98 +0.02 DERBI 4-STROKE MC 450 F 8868DA 94.95 STD RIK95.00 EX 450 F RIK95.00 8868DB 94.96 +0.01 RIK95.00 2021 - 2022 8868DC 12.6:1 12.5:1 7/1 94.97 +0.02 MC 450 F 8873DA 94.95 STD RIK95.00 EX 450 F RIK95.00 GASGAS 2-STROKE 8873DB 94.96 +0.01 RIK95.00 2021 - 2022 8873DC 13.6:1 12.5:1 7/1 94.97 +0.02 GASGAS 4-STROKE 28 © Wössner ®

BETAMOTOR 2-STROKE STROKE COMPRESSION PISTON PIN CLIP PISTON DETAILS TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT HEIGHT CSXXXX SLIPPER STYLE CSXXXX 60.80 23.50 WP053-SP CW18 RIKEN RING DXXXX P4008 MB83072C CSXXXX BETAMOTOR 4-STROKE DXXXX P4008 ( MAG ) 60.80 23.50 WP053-SP CW18 PRO SERIES DXXXX P4068 SLIPPER STYLE MB83072C RIKEN RING ( POT ) DERBI 4-STROKE 63.40 22.80 WP071-SP CW19 SLIPPER STYLE MB83072C RIKEN RING ( MAG ) GAS PORTING MB83072C ( POT ) MBNJ207ECP-1 ( MAG ) MBNJ207ECP-1 PRO SERIES MBNJ207ECP-1 ( MAG ) DOUBLE BRIDGED GASGAS 2-STROKE MBNJ207ECP-1 63.40 22.80 WP071-SP CW19 GAS PORTING DXXXX P4068 ( POT ) CSXXXX 3D VALVE POCKET MILL GASGAS 4-STROKE © Wössner ® 29

HONDA 2-STROKE HONDA 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT CR 80 R PRICECODE 49.45 STD RSB4950 49.95 +0.01 RSB5000 8277DA 50.45 +0.02 RSB5050 HONDA 4-STROKE 8277D050 1980-1982 8277D100 1/1 41.40 27.00 CR 80 R 1986-1991 8238DA 1/1 46.95 STD RSB4700 24.00 8238D050 47.45 +0.50 RSB4750 24.00 HUSABERG 2-STROKE 8238D100 47.95 +1.00 RSB4800 47.80 8238D200 48.95 +2.00 RSB4900 CR 80 R U.S BORE 1992-2002 8237DA 1/1 46.95 STD RSB4700 8237D100 47.95 +1.00 RSB4800 8237D200 48.95 +2.00 RSB4900 47.80 HUSABERG 4-STROKE CR 80 R 8230DA 45.95 STD RSB4600 INTERNATIONAL BORE 8230DB 45.96 +0.01 RSB4600 1986-2002 1/1 47.80 24.00 HUSQVARNA 2-STROKE CR 85 R 2003-2007 8105DA 1 47.45 STD RSV4750 24.00 8105DB 47.46 +0.01 RSV4750 8105DC 47.47 +0.02 RSV4750 47.80 30 © Wössner ®

HONDA 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT DUAL RING CSXXXX WP091 CW12 1MM FLAT NXXXX DXXXX PXXXX MBXXXX CSXXXX HONDA 4-STROKE N1006 DXXXX P2003 ( MAG ) CSXXXX WP058 CW14 SINGLE RING N1006 DXXXX P2003 CSXXXX 1MM FLAT N1006 DXXXX P2003 MBXXXX CSXXXX N1006 DXXXX P2003 ( POT ) HUSABERG 2-STROKE SINGLE RING MB6322C4 WP058 CW14 1MM FLAT ( MAG ) WP058 CW14 SINGLE RING MB6322C4 HUSABERG 4-STROKE 1MM FLAT ( POT ) WP058 CW14 MBXXXX HUSQVARNA 2-STROKE SEMI-KEYSTONE ( MAG ) MBXXXX ( POT ) MBXXXX ( MAG ) MBXXXX ( POT ) MB6322C4 ( MAG ) MB6322C4 ( POT ) © Wössner ® 31

HONDA 2-STROKE HONDA 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT CR 125 M PRICECODE MT 125 55.94 STD RSB5600 8151DA 56.44 +0.50 RSB5650 CR 125 R 56.94 +1.00 RSB5700 HONDA 4-STROKE 8151D050 57.44 +1.50 RSB5750 CR 125 R 57.94 +2.00 RSB5800 1973-1978 8151D100 2/1 55.94 STD RSB5600 50.00 28.80 CR 125 R 56.19 +0.25 RSB5625 8151D150 56.44 +0.50 RSB5650 56.69 +0.75 RSB5675 8151D200 56.94 +1.00 RSB5700 57.44 +1.50 RSB5750 8150DA 55.44 STD RSB5550 55.94 +0.50 RSB5600 8150D025 56.44 +1.00 RSB5650 56.69 +1.25 RSB5675 HUSABERG 2-STROKE 8150D050 2/1 56.94 +1.50 RSB5700 50.00 28.50 1979 57.44 +2.00 RSB5750 53.94 STD RSB5400 8150D075 54.19 +0.25 RSB5425 54.44 +0.50 RSB5450 8150D100 54.94 +1.00 RSB5500 55.19 +1.25 RSB5525 8150D150 55.44 +1.50 RSB5550 55.94 +2.00 RSB5600 8149DA 8149D050 1980-1984 8149D100 2/1 50.00 28.50 8149D125 HUSABERG 4-STROKE 8149D150 8149D200 8127DA 8127D025 8127D050 1985-1986 8127D100 2/1 54.00 28.00 8127D125 HUSQVARNA 2-STROKE 8127D150 8127D200 32 © Wössner ®

HONDA 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT DUAL RING CSXXXX WP025 CW14 1MM FLAT NXXXX DXXXX PXXXX MBXXXX HONDA 4-STROKE ( MAG ) DUAL RING 1MM FLAT MBXXXX ( POT ) DUAL RING MB6304C3 1MM FLAT ( MAG ) WP025 CW14 DUAL RING N1008 DXXXX PXXXX CSXXXX HUSABERG 2-STROKE 1MM FLAT MB6304C3 ( POT ) WP025 CW14 N1008 DXXXX PXXXX MB6322C4 CSXXXX ( MAG ) HUSABERG 4-STROKE MB6322C4 ( POT ) MB6322C4 ( MAG ) WP025 CW14 N1007 DXXXX PXXXX MB6322C4 CSXXXX ( POT ) HUSQVARNA 2-STROKE © Wössner ® 33

HONDA 2-STROKE HONDA 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT CR 125 R PRICECODE CR 125 R 53.94 STD RSB5400 CR 125 R 8126DA 54.44 +0.50 RSB5450 54.94 +1.00 RSB5500 HONDA 4-STROKE CR 125 R 8126D050 55.44 +1.50 RSB5550 55.94 +2.00 RSB5600 1987 8126D100 2/1 53.94 STD RSB5400 54.00 28.00 54.44 +0.50 RSB5450 8126D150 54.94 +1.00 RSB5500 55.44 +1.50 RSB5550 8126D200 55.94 +2.00 RSB5600 53.94 STD RSB5400 8125DA 53.95 +0.01 RSB5400 53.96 +0.02 RSB5400 8125D050 54.44 +0.50 RSB5450 54.94 +1.00 RSB5500 1988-1989 8125D100 2/1 53.95 STD RSB5400 54.50 28.00 53.96 +0.01 RSB5400 HUSABERG 2-STROKE 8125D150 53.97 +0.02 RSB5400 53.98 +0.03 RSB5400 8125D200 54.45 +0.50 RSB5450 54.95 +1.00 RSB5500 8107DA 55.95 +2.00 RSB5600 8107DB 1990-1991 8107DC 2 54.50 28.00 8107D050 8107D100 HUSABERG 4-STROKE 8020DA 8020DB 8020DC 1992-1999 8020DD 2 54.50 28.00 8020D050 8020D100 8020D200 HUSQVARNA 2-STROKE 34 © Wössner ®

HONDA 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT SINGLE RING CSXXXX WP025 CW14 1MM FLAT N1008 DXXXX PXXXX MB6322C4 CS2009 HONDA 4-STROKE N1047 DXXXX P2009 ( MAG ) CS2009 WP032 CW15 SINGLE RING N1047 DXXXX P2009 1MM FLAT MB6322C4 ( POT ) HUSABERG 2-STROKE SINGLE RING WP032 CW15 1MM FLAT MB6322C4 ( MAG ) SINGLE RING HUSABERG 4-STROKE 1MM FLAT MB6322C4 NO INTAKE WINDOW ( POT ) MB6322C4 ( MAG ) MB6322C4 ( POT ) MB6322C4 ( MAG ) WP032 CW15 N1047 DXXXX P2009 MB6322C4 CS2009 ( POT ) HUSQVARNA 2-STROKE © Wössner ® 35

HONDA 2-STROKE HONDA 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT CR 125 R PRICECODE 53.95 STD RSB5400 CR 125 R 8067DA 53.96 +0.01 RSB5400 53.97 +0.02 RSB5400 HONDA 4-STROKE CR 125 R 8067DB 54.45 +0.50 RSB5450 MTX 125 54.95 +1.00 RSB5500 MBX 125 8067DC 55.95 +2.00 RSB5600 56.95 +3.00 RSB5700 MTX 125 RALLY 2000-2003 8067D050 2 53.95 STD RSB5400 54.50 28.00 53.96 +0.01 RSB5400 8067D100 53.97 +0.02 RSB5400 55.95 +2.00 RSB5600 8067D200 8067D300 8100DA HUSABERG 2-STROKE 8100DB 2004 8100DC 2/1 54.50 28.00 8100D200 8170DA 53.95 STD RSB5400 8170DB 8170DC 53.96 +0.01 RSB5400 8170D200 2005-2007 8170D400 2 53.97 +0.02 RSB5400 54.50 28.00 1983-1987 8024DA 2 30.40 8024D050 55.95 +2.00 RSB5600 8024D100 HUSABERG 4-STROKE 8024D150 57.95 +4.00 RSB5800 55.94 STD RSB5600 56.44 +0.50 RSB5650 56.94 +1.00 RSB5700 50.60 57.44 +1.50 RSB5750 HUSQVARNA 2-STROKE 8190DA 55.96 STD RSB5600 8190DB 55.97 +0.01 RSB5600 1980-1999 2/1 50.60 30.60 36 © Wössner ®

HONDA 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT SINGLE RING MB6322C4 1MM FLAT ( MAG ) HONDA 4-STROKE WP032 CW15 N1047 DXXXX P2009 MB6322C4 CS2009 ( POT ) WP032 CW15 SINGLE RING N1047 DXXXX P2009 MB6322C4 CS2009 HUSABERG 2-STROKE 1MM FLAT N1047 DXXXX P2009 ( MAG ) CS2009 WP032 CW15 NXXXX DXXXX PXXXX CSXXXX SINGLE RING NXXXX DXXXX PXXXX MB6322C4 CSXXXX WP036 CW16 1MM FLAT ( POT ) HUSABERG 4-STROKE DUAL RING MB6322C4 HUSQVARNA 2-STROKE 1MM FLAT ( MAG ) DUAL RING MB6322C4 1MM FLAT ( POT ) MBXXXX WP036 CW16 ( MAG ) MBXXXX ( POT ) MBXXXX ( MAG ) MBXXXX ( POT ) © Wössner ® 37

HONDA 2-STROKE HONDA 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT PRICECODE CR 250 M 69.94 STD RSB7000 8152DA 70.44 +0.50 RSB7050 CR 250 M 70.94 +1.00 RSB7100 HONDA 4-STROKE MR 250 8152D050 71.44 +1.50 RSB7150 71.94 +2.00 RSB7200 1973-1974 8152D100 3/1 69.94 STD RSB7000 64.40 32.00 71.94 +2.00 RSB7200 8152D150 8152D200 8153DA 8153D200 1975-1977 3/1 64.40 32.00 HUSABERG 2-STROKE 8154DA 69.94 STD RSB7000 8154D025 70.19 +0.25 RSB7025 HUSABERG 4-STROKE CR 250 R 1978-1980 8154D050 3/1 70.44 +0.50 RSB7050 32.50 CR 250 R 1981-1983 8154D075 3/1 70.69 +0.75 RSB7075 41.20 8154D100 HUSQVARNA 2-STROKE 8154D125 64.40 8154D150 70.94 +1.00 RSB7100 8154D200 71.19 +1.25 RSB7125 8155DA 71.44 +1.50 RSB7150 8155D050 71.94 +2.00 RSB7200 8155D100 65.94 STD RSB6600 8155D150 66.44 +0.50 RSB6650 8155D200 66.94 +1.00 RSB6700 72.00 67.44 +1.50 RSB6750 67.94 +2.00 RSB6800 38 © Wössner ®

HONDA 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT DUAL RING CSXXXX WP033 CW18 1MM FLAT N1021 DXXXX PXXXX MBXXXX HONDA 4-STROKE N1021 DXXXX PXXXX ( MAG ) CSXXXX WP033 CW18 DUAL RING 1MM FLAT MBXXXX ( POT ) HUSABERG 2-STROKE DUAL RING MBXXXX 1MM FLAT ( MAG ) MBXXXX ( POT ) MB6328C3 ( MAG ) MB6328C3 WP033 CW18 N1021 DXXXX P2021 CSXXXX ( POT ) DUAL RING MB6328C3 HUSABERG 4-STROKE 1MM FLAT ( MAG ) WP033 CW18 N1021 DXXXX P2021 CSXXXX MB6328C3 ( POT ) HUSQVARNA 2-STROKE © Wössner ® 39

HONDA 2-STROKE HONDA 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT CR 250 R PRICECODE 65.94 STD RSB6600 CR 250 R 8156DA 66.19 +0.25 RSB6625 CR 250 R 66.44 +0.50 RSB6650 HONDA 4-STROKE 8156D025 66.69 +0.75 RSB6675 66.94 +1.00 RSB6700 8156D050 67.19 +1.25 RSB6725 67.44 +1.50 RSB6750 8156D075 67.94 +2.00 RSB6800 68.44 +2.50 RSB6850 1984-1985 8156D100 3/1 66.34 STD RSB6640 72.00 38.00 66.35 +0.01 RSB6640 8156D125 66.36 +0.02 RSB6640 66.94 +0.60 RSB6700 8156D150 67.44 +1.10 RSB6750 67.94 +1.60 RSB6800 8156D200 68.44 +2.10 RSB6850 66.34 STD RSB6640 HUSABERG 2-STROKE 8156D250 66.35 +0.01 RSB6640 66.36 +0.02 RSB6640 8021DA 66.94 +0.60 RSB6700 67.44 +1.10 RSB6750 8021DB 67.94 +1.60 RSB6800 68.44 +2.10 RSB6850 8021DC 1986-1991 8021D060 3 72.00 38.00 72.00 38.00 8021D110 8021D160 HUSABERG 4-STROKE 8021D210 8001DA 8001DB 8001DC 1997-2001 8001D060 3 8001D110 8001D160 HUSQVARNA 2-STROKE 8001D210 40 © Wössner ®

HONDA 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT DUAL RING MB6328C3 1MM FLAT ( MAG ) HONDA 4-STROKE WP033 CW18 N1021 DXXXX P2021 MB6328C3 CSXXXX ( POT ) DUAL RING MB6328C3 HUSABERG 2-STROKE 1MM FLAT ( MAG ) WP033 CW18 N1021 DXXXX P2021 MB6328C3 CSXXXX ( POT ) DUAL RING MB6328C3 HUSABERG 4-STROKE 1MM FLAT ( MAG ) WP033 CW18 N1021 DXXXX P2021 MB6328C3 CSXXXX ( POT ) HUSQVARNA 2-STROKE © Wössner ® 41

HONDA 2-STROKE HONDA 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT CR 250 R PRICECODE CR 250 R 66.34 STD RSB6640 8161DA 66.35 +0.01 RSB6640 CR 250 R 66.36 +0.02 RSB6640 HONDA 4-STROKE 1997-2001 8161DB 3/1 66.94 +0.60 RSB6700 72.00 38.00 CR 250 R 8161DC 67.94 +1.60 RSB6800 8161D060 66.34 STD RSB6640 8161D160 66.35 +0.01 RSB6640 66.36 +0.02 RSB6640 8066DA 66.94 +0.60 RSB6700 67.44 +1.10 RSB6750 8066DB 67.94 +1.60 RSB6800 68.44 +2.10 RSB6850 8066DC 66.34 STD RSB6640 66.35 +0.01 RSB6640 HUSABERG 2-STROKE 2002-2004 8066D060 3 66.36 +0.02 RSB6640 72.00 38.00 66.94 +0.60 RSB6700 8066D110 67.44 +1.10 RSB6750 67.94 +1.60 RSB6800 8066D160 68.44 +2.10 RSB6850 66.34 STD RSB6640 8066D210 66.35 +0.01 RSB6640 66.36 +0.02 RSB6640 8171DA 66.94 +0.60 RSB6700 67.44 +1.10 RSB6750 8171DB 67.94 +1.60 RSB6800 68.44 +2.10 RSB6850 8171DC HUSABERG 4-STROKE 2005-2007 8171D060 3 72.00 38.00 8171D110 8171D160 8171D210 8171DA 8171DB 8171DC 2005-2007 8171D060 3 72.00 38.00 HUSQVARNA 2-STROKE 8171D110 8171D160 8171D210 42 © Wössner ®

HONDA 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT SINGLE RING CSXXXX WP033 CW18 1MM FLAT MB6328C3 HONDA 4-STROKE ( MAG ) DUAL RING 1MM FLAT N1021 DXXXX P2021 MB6328C3 ( POT ) MB6328C3 ( MAG ) WP033 CW18 N1021 DXXXX P2020 MB6328C3 CSXXXX HUSABERG 2-STROKE ( POT ) DUAL RING MB6328C3 1MM FLAT ( MAG ) WP033 CW18 N1021 DXXXX P2020 MB6328C3 CSXXXX HUSABERG 4-STROKE ( POT ) DUAL RING MB6328C3 1MM FLAT ( MAG ) WP033 CW18 N1021 DXXXX P2020 MB6328C3 CSXXXX ( POT ) HUSQVARNA 2-STROKE © Wössner ® 43

HONDA 2-STROKE HONDA 2-STROKE MODEL YEARS PISTON PART # PISTON PISTON SIZE OVERSIZE RING SET STROKE COMPRESSION HEIGHT CR 250 R PRICECODE 66.34 STD RSB6640 66.35 +0.01 RSB6640 8172DA HONDA 4-STROKE 8172DB 2005-2007 3/1 72.00 38.00 HUSABERG 2-STROKE CRM 250 ALL YEARS 8071DA 3 65.93 STD RSB6600 33.00 8071D040 6/1 66.33 +0.40 RSB6640 40.00 CR 480 R 1982-1983 8071D050 66.43 +0.50 RSB6650 CR 500 1984-2001 8071D100 8071D150 72.00 HUSABERG 4-STROKE 8071D200 66.93 +1.00 RSB6700 8229DA 67.43 +1.50 RSB6750 8229D050 67.93 +2.00 RSB6800 8229D100 88.92 STD RSC8900 8229D150 89.42 +0.50 RSC8950 8229D200 89.92 +1.00 RSC9000 79.00 90.42 +1.50 RSC9050 90.92 +2.00 RSC9100 HUSQVARNA 2-STROKE 44 © Wössner ®

HONDA 2-STROKE PISTON PIN CLIP PISTON DETAILS TOP END BEARING TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT SINGLE RING CSXXXX WP033 CW18 1MM FLAT MB6328C3 HONDA 4-STROKE ( MAG ) DUAL RING 1MM FLAT N1021 DXXXX P2020 MB6328C3 SINGLE RING ( POT ) 1.2MM FLAT MBXXXX ( MAG ) WP044 CW19 NXXXX DXXXX PXXXX CSXXXX HUSABERG 2-STROKE MBXXXX ( POT ) WP086 CW20 N1030 DXXXX P2044 MB6328C4 CSXXXX ( MAG ) HUSABERG 4-STROKE MB6328C4 ( POT ) HUSQVARNA 2-STROKE © Wössner ® 45

HONDA 2-STROKE HONDA 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET CRF 150 R COMPR. RATIO RATIO PRICECODE 65.95 STD 660XKS CRF 150 R 8662DA 65.96 +0.01 660XKS 65.97 +0.02 660XKS HONDA 4-STROKE 8662DB 67.95 +2.00 680XKS 2007-2009 8662DC 12.5:1 11.7:1 4 8662D200 8861DA 65.95 STD 660XKS 660XKS 8861DB 65.96 +0.01 660XKS 2012-2022 8861DC 11.7:1 11.7:1 4 65.97 +0.02 HUSABERG 2-STROKE CRF 150 R 2012-2022 8862DA 12.2:1 11.7:1 4 65.95 STD 660XKS HUSABERG 4-STROKE XR 185 8813DA 65.46 STD 655XKS-3 XR 200 R XL 185 8813D050 65.96 +0.50 660XKS-3 CRF 230 F 1986-1991 8813D100 10.0:1 10.0:1 5 66.46 +1.00 665XKS-3 CRF 230 L 8813D150 66.96 +1.50 670XKS-3 8813D200 67.46 +2.00 675XKS-3 2003-2019 8774DA 65.46 STD 655XKS-3 2008-2009 8774D050 65.96 +0.50 660XKS-3 HUSQVARNA 2-STROKE 8774D100 11.0:1 9.0:1 5 66.46 +1.00 665XKS-3 8774D150 66.96 +1.50 670XKS-3 8774D200 67.46 +2.00 675XKS-3 46 © Wössner ®

HONDA 2-STROKE STROKE COMPRESSION PISTON PIN CLIP PISTON DETAILS TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT HEIGHT PRO SERIES CSXXXX SLIPPER STYLE CSXXXX 43.70 21.00 WP058 CW14 DXXXX P4024 MBXXXX CSXXXX HONDA 4-STROKE SLIPPER STYLE DXXXX P4024 ( MAG ) CSXXXX 43.70 20.60 WP058 CW14 PRO SERIES DXXXX P4024 CSXXXX SLIPPER STYLE DXXXX PXXXX MBXXXX DXXXX P4053 ( POT ) HUSABERG 2-STROKE ROUND STYLE MBXXXX 43.70 20.60 WP058 CW14 PRO SERIES ( MAG ) ROUND STYLE 57.80 25.20 WP090-SP CW17 MBXXXX HUSABERG 4-STROKE ( POT ) 66.20 21.20 WP011-SP CW15 MBXXXX HUSQVARNA 2-STROKE ( MAG ) MBXXXX ( POT ) MBXXXX ( MAG ) MBXXXX ( POT ) MB6207C3 ( MAG ) MB6207C3 ( POT ) © Wössner ® 47

HONDA 2-STROKE HONDA 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET XL 250 COMPR. RATIO RATIO PRICECODE 73.94 STD 740XDS-3 XR 250 74.44 +0.50 745XDS-3 8791DA 74.94 +1.00 750XDS-3 XR 250 R 75.44 +1.50 755XDS-3 HONDA 4-STROKE XL 250 L 8791D050 75.94 +2.00 760XDS-3 72.94 STD 730XDS-3 CRF 250 L 1979-1983 8791D100 10.0:1 9.0:1 5 73.44 +0.50 735XDS-3 CRF 250 M 73.94 +1.00 740XDS-3 CRF 250 RALLY 8791D150 75.44 +2.50 755XDS-3 76.94 +4.00 770XDS-3 8791D200 77.94 +5.00 780XDS-3 1986-2004 8793DA 75.96 STD 760XAS-3 1991-1996 8793D050 HUSABERG 2-STROKE 8793D100 10.5:1 9.3:1 5 8793D250 8793D400 8793D500 2013-2017 2014-2017 2017 8884DA 10.8:1 10.8:1 5 HUSABERG 4-STROKE CRF 250 R 2004-2005 8587DA 77.95 STD RIK78.00 CRF 250 X 2004-2017 8587DB 77.96 +0.01 RIK78.00 8587DC 77.97 +0.02 RIK78.00 8587D400 12.9:1 12.9:1 5 81.95 +4.00 820XDS HUSQVARNA 2-STROKE 48 © Wössner ®

HONDA 2-STROKE STROKE COMPRESSION PISTON PIN CLIP PISTON DETAILS TOP END GASKET KIT CONNECTING ROD MAIN BEARING CRANKSHAFT HEIGHT PRO SERIES CSXXXX ROUND STYLE 57.80 24.70 WP028-SP CW19 DXXXX PXXXX MBXXXX HONDA 4-STROKE PRO SERIES ( MAG ) ROUND STYLE MBXXXX ( POT ) MBXXXX ( MAG ) 59.50 25.00 WP090-SP CW19 DXXXX PXXXX CSXXXX HUSABERG 2-STROKE MBXXXX ( POT ) SLIPPER STYLE MBXXXX THREE RING ( MAG ) 55.00 23.50 WP083-SP CW17 DXXXX PXXXX MBXXXX CSXXXX 52.20 18.90 WP070-SP CW16 P4001 ( POT ) CSXXXX DOUBLE BRIDGED MB6328C3 HUSABERG 4-STROKE RIKEN RING ( MAG ) DXXXX MB6328C3 ( POT ) HUSQVARNA 2-STROKE © Wössner ® 49

HONDA 2-STROKE HONDA 4-STROKE MODEL YEARS PISTON PART # WÖSSNER OEM COMPR. PISTON PISTON SIZE OVERSIZE RING SET CRF 250 R COMPR. RATIO RATIO PRICECODE 77.95 STD RIK78.00 CRF 250 X 77.96 +0.01 RIK78.00 2004-2005 8590DA 77.97 +0.02 RIK78.00 HONDA 4-STROKE 2004-2017 8590DB 8590DC 13.9:1 12.9:1 5 CRF 250 R 2006-2009 8656DA 13.5:1 12.9:1 5 77.96 STD RIK78.00 8656DB 77.97 +0.01 RIK78.00 8656DC 77.98 +0.02 RIK78.00 HUSABERG 2-STROKE 8775DA 76.76 STD RIK76.80 8775DB 76.77 +0.01 RIK76.80 CRF 250 R 2010-2013 8775DC 14.2:1 13.2:1 5 76.78 +0.02 RIK76.80 CRF 250 R 8775D220 5 78.96 +2.20 RIK79.00 HUSABERG 4-STROKE 2014-2015 8912DA 14.5:1 13.5:1 76.76 STD RIK76.80 8912DB 76.77 +0.01 RIK76.80 8912DC 76.78 +0.02 RIK76.80 8938DA 76.75 STD RIK76.80 RIK76.80 8938DB 76.76 +0.01 HUSQVARNA 2-STROKE CRF 250 R 2016-2017 14.8:1 13.5:1 5 50 © Wössner ®