BOLD MAGENTA part numbers are new for 2026 ENGINE PARTS-UNLIMITED.COM STREET | 2026 ENGINE 1415 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 # For 3-spring models; 1.880” free length x 0.675” OD 1131-2312 For 4-spring models; 1.880” free length x 0.675” OD 1131-2313 CLUTCH SPRINGS FOR TRIUMPH AND BSA 500, 600 AND 750 TWINS 63-83 •High-quality clutch springs •Replaces OEM #57-1830 •Made in the U.S.A. DESCRIPTION PART # Kickstart lever 1112-0067 KICKSTART LEVER FOR YAMAHA SR500 78-81,TT/XT500 77-81, TX650 73-74, XS650 75-81, XS650S 78-83 •Direct OEM replacement •Sold each CLUTCH WEIGHTS (SIZE 16 X 13) WEIGHT PART # 5 g 1132-0110 WEIGHT PART # 5.5 g 1132-0111 WEIGHT PART # 7.6 g 1132-0112 FITS MODEL CLUTCH KIT DRIVE BELT PRIMARY GEAR SET MALAGUTI F10 (air cooled) 1130-0035 1142-0034 - F15/Italjet Dragster (liquid cooled) 1130-0035 1142-0033 - FITS MODEL CLUTCH KIT DRIVE BELT PRIMARY GEAR SET YAMAHA Zuma 50 98-01, 08-11 1130-0035 1142-0033 - Zuma 50 02-05 1130-0035 1142-0033 1106-0005 SCOOTER CLUTCH KITS CLUTCH, DRIVE BELT AND DRIVE COMPONENTS •State-of-the-art clutch kit allows for greater acceleration and engine torque than stock •Performance-matched drive belts are specifically designed to handle the power supplied by Athena’s big bore kits for scooters •Primary gear sets feature a higher gear ratio than stock (22% to 33% depending on model) for a higher top-end speed •Clutch weights also available separately in three weights for fine-tuning clutch engagement 1130-0035 1142-0034 1132-0110 1132-0111 1132-0112
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