BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | STREET ENGINE ENGINE 1366 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”. DESCRIPTION PART # EMIS* 750cc big bore kit 0904-0085 3 DESCRIPTION PART # EMIS* 865cc big bore kit 0904-0054 3 BIG BORE KITS FOR ROYAL ENFIELD 650 TWINS • Complete kits include cylinder sleeves, pistons and head gasket •750cc kit increase bore and stroke to 83.5 mm x 67.8 mm (stock is 78 mm x 67.8 mm) •865cc Increases bore and stroke to 90 mm x 67.8 mm (stock is 78 mm x 67.8 mm) •Both kits increase compression ration to 11.0:1 (stock is 9.5:1) •Made in the U.S.A. DESCRIPTION PART # EMIS* Camshaft kit 0925-1297 3 OPEN CLOSE DURATION LOBE CENTER INTAKE 1° BTDC 35° ABDC 216 107 OPEN CLOSE DURATION LOBE CENTER EXHAUST 32° BTDC 10° ABDC 222 101 HIGH-PERFORMANCE CAMSHAFT KIT FOR ROYAL ENFIELD 650 TWINS •Higher lift and longer duration than the stock cam •Compatible with high-compression pistons •Builds power sooner and holds it for longer •Adjustable cam timing so you can dial in the power curve •Made in the U.S.A. DESCRIPTION PART # EMIS* Performance camshaft 0925-1511 3 PERFORMANCE CAMSHAFT FOR HONDA GROM/MONKEY 22-25 •240° performance camshaft offers the best results at high rpm •Formulated to increase output with stock engine but offers best results when combined with 170cc big bore kits • Longer expected durability vs. stock parts • Duration at 1 mm In: 260, Ex: 265 • Valve lift In: 8.5 mm, Ex: 8.5 mm • Running clearance In: 0.10 mm, Ex: 0.17 mm DESCRIPTION PART # Crankshaft 0921-0906 CRANKSHAFT FOR KAWASAKI H2-750 72-75 •Fully assembled ready-to-install OEM replacement crankshaft assembly •Heavy-duty forged connecting rod •Includes wrist pin bearing(s) 0904-0054
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