BOLD MAGENTA part numbers are new for 2025 PARTSCANADA.COM 2025 | OFFROAD ENGINE ENGINE 732 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL DESCRIPTION COMPRESSION RATIO BORE (MM) PART # GASGAS MC 50 21-23 Standard Bore cylinder (only) - 39.5 0931-1022 MC 65 21-23 Standard Bore cylinder (only) - 45 0931-1015 EX 250F, MC 250F 21-23 Standard Bore kit 14.4:1 78 0931-0717 HONDA CRF150R/RB 07-09 Standard Bore cylinder (only) - 66 0931-0163 CRF150R/RB 12-22 Standard Bore cylinder (only) - 66 0931-0163 CRF250R 04-07 Standard Bore cylinder (only) - 78 0931-0128 Standard Bore kit 12.9:1 78 0931-0270 CRF250R 08-09 Standard Bore cylinder (only) - 78 0931-0128 CRF250R 10-17 +3.2 mm Big Bore, 270cc kit 13.3:1 80 0931-0340 CRF250X 04-17 Standard Bore cylinder (only) - 78 0931-0128 Standard Bore kit 12.9:1 78 0931-0270 CRF450R 02-06 Standard Bore cylinder (only) - 96 0931-0129 +4 mm Big Bore, 488cc kit 12.1:1 100 0931-0119 CRF450R 09-12 +3 mm Big Bore, 478cc kit 12.5:1 96 0931-0266 HUSQVARNA TC 50 17-23 Standard Bore cylinder (only) - 39.5 0931-1022 TC 50 Mini 18-23 Standard Bore cylinder (only) - 39.5 0931-1022 TC 65 17-23 Standard Bore cylinder (only) - 45 0931-1015 FC 250 16-22 Standard Bore kit 14.4:1 78 0931-0717 KAWASAKI KX85 06-13 Standard Bore kit - 48.5 0931-0594 KX250F 04-08 Standard Bore cylinder (only) - 77 0931-0130 +3 mm Big Bore, 270cc kit 12.6:1 80 0931-0120 Big Bore gasket kit - - 0934-1525 KX250F 11-14 +3 mm Big Bore, 269cc kit 13.5:1 80 0931-0424 KLX400 03-04 Standard Bore kit 11.3:1 90 0931-0283 +4 mm Big Bore, 434cc kit 11.3:1 94 0931-0135 Big Bore gasket kit - - 0934-1527 KTM 50 SX/SX Mini 09-23 Standard Bore cylinder (only) - 39.5 0931-1022 50 SX Pro Jr 09 Standard Bore cylinder (only) - 39.5 0931-1022 50 SXS 11-14 Standard Bore cylinder (only) - 39.5 0931-1022 65 SX 09-23 Standard Bore cylinder (only) - 45 0931-1015 65 SXS 13-14 Standard Bore cylinder (only) - 45 0931-1015 65 XC 09 Standard Bore cylinder (only) - 45 0931-1015 250 SX-F/XC-F 06-12 Standard Bore kit 12.8:1 76 0931-0408 250 SX-F/XC-F 16-22 Standard Bore kit 14.4:1 78 0931-0717 350 SX-F/XC-F 11-12 Big Bore gasket kit - - 0934-2369 350 SX-F/XC-F 13-15 Standard Bore kit (uses Vertex #23831) 13.6:1 88 0931-0497 CYLINDERS AND CYLINDER KITS • Ready-to-install, direct bolt-on cylinders require no re-plating and look virtually identical to the OEM cylinders •Three kit options to choose from: Standard Bore, Standard Bore high-compression and Big Bore • Cylinder kits include matched Vertex pistons to ensure longevity, performance and reduced engine noise •Nickel silicon carbide-plated for long life • Kits come complete with gaskets, cylinder, piston, rings, pin and clips •Big bore cylinders do not require machine work (unless noted) • Replacement Vertex piston, rings, clips and pins also available; see pages 710-717 •Made in the U.S.A. 0931-0270
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