ENGINE body accessories handlebar & grips cables & levers electrical & ignition engine fuel & intake clutch brakes drive steering & suspension bearings tires exhaust chemicals tools & shop 444 www.autodist.com | 207-942-6769 YEAR COMPRESSION RATIO BORE X STROKE BORE SIZE SINGLE PISTON RING SET PISTON PIN CIRCLIP TOP END GASKET KIT TOP END BEARING SLEEVE HONDA (4-STROKE) CRF 250 R 10-2015 14.5:1 76.8 76.80 111916 112120 112382 111633 101740 ----- ----- X 53.8 CRF 250 R 16-2017 14.5:1 76.8 76.80 111917 112120 112382 111633 101740 ----- ----- X 53.8 CRF 250 R 18-2019 14.5:1 79.0 79.00 111918 112121 112382 111633 ----- ----- ----- CRF 250 RX 2019 X 50.9 CRF 450 R 13-2016 14:1 96.0 96.00 115218 115226 ----- CW19 104162 ----- ----- X 62.1 CRF 450 R 17-2022 14:1 96.0 96.00 115222 115226 ----- CW19 115216 ----- ----- CRF 450 RX 17-2022 X 2017-2018 CRF 450 R-WE 19-2022 62.1 HUSQVARNA (4-STROKE) FC 250 16-2022 14.5:1 78.0 78.00 111920 112122 112382 111633 115201 ----- ----- X 52.3 FC 350 16-2022 14:1 88.0 88.00 111923 112123 112386 CW18 115202 ----- ----- FX 350 17-2022 X 2016-2018 57.5 FC 450 14-2022 14:1 95.0 95.00 115217 115225 ----- CW19 112369 ----- ----- FS 450 15-2021 X 2014-2015 FX 450 17-2022 63.4 115215 2016-2019 KAWASAKI (4-STROKE) KX 250 F 15-2016 14.5:1 77.0 77.00 111925 112124 112382 111633 101320 ----- ----- X 53.6 KX 250 F 17-2018 14.5:1 77.0 77.00 111926 112124 112382 111633 ----- ----- ----- KX 250 2019 X 53.6 KX 250 2020 14.5:1 78.0 78.00 111927 112122 112382 111633 ----- ----- ----- X 52.2 KX 450 F 13-2014 14:1 96.0 96.00 115219 115226 ----- CW19 104143 ----- ----- 16-2018 X 2009-2015 62.1 115204 2016-2018 KX 450 19-2021 14:1 96.0 96.00 111928 115226 ----- CW19 ----- ----- ----- KX 450 XC 2021 X 62.1 KTM (4-STROKE) 250 SX-F 16-2022 14.5:1 78.0 78.00 111920 112122 112382 111633 115201 ----- ----- 250 XC-F 16-2022 X 52.3 350 SX-F 16-2022 14:1 88.0 88.00 111923 112123 112386 CW18 115202 ----- ----- 350 XC-F 16-2022 X 57.5 450 SX-F 13-2022 14:1 95.0 95.00 115217 115225 ----- CW19 112369 ----- ----- 450 XC-F 13-2022 X 2013-2015 63.4 115215 2016-2019 Features • R&D developed • Asymmetric skirt design • Precision fit ring • 100% billet machined • High compression • Dome design • DLC coated piston pin • Enhanced pin oiling • Pressure seal groove • ArmorGlide® skirt coating WISECO RACER ELITE PISTONS Benefits • Dyno proven power gains • Improved wear and even loading on major thrust skirt • Custom lapped compression ring for improved power • Superior strength to weight ratio and optimized fit • Maximum torque and throttle response • Improved flame travel to maximize air/ fuel burn efficiency • Reduced friction, improved scuff resistant • Improved lubrication and reduced friction • Reduces ring lifting and power loss • Reduced friction, quieter operation, improved scuff resistance
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