WARNINGS: Torque converter drive pulley must be bolted tightly to the engine crankshaft. Recommended engine power max to 8hp. INSTALLATION: Step 1: Componets in kit are layed out in front of machine. Step 2: Remove old clutch kits Step 3: Bolt bracket to the four standard tapped holes in the engine crankcase using four M825 screws. Bracket may be rotated up or dow if necessary. Step 4: Break chain at proper length to go around sprocket on T.A.V. and final drive sprocket. Join chain by the master link. Move the engine forward or backward for correct tension. Step 5: Place the spacer (provided with kit) on the crankshaft, to bring the driver clutch in line with the driven unit. Step 6: Separate driver, place flat sided sheave on crankshaft. Slip belt over driven unit and over post of driver unit. Install 4 splined hub "D" outboard. (IMPORTANT: Be sure bronze idler bushing is in place on TAV 30-75. TAV 30-100 does not require bronze idler bushing.) Step 7: Place other half of drive on crankshaft. Line up outer cover on the "D" part of the hub, and install retaining bolt and washer. Fitment: All engines with a 3/4 inch straight crankshaft, Go Karts 30 Series. 2 Sprockets Includes: 1 x 12 Tooth Sprocket for 35 Chain, 1 x 10 Tooth Sprocket for 40/41/420 Chain. Recommended: 2HP-7HP engine, 3/4" Shaft with flat key. Read more Driven unit: 5/8" driven pulley: Drive clutch bore: 19.05mm (3/4")Belt: Asymmetrical type Driven unit: 5/8" driven pulley: Sprocket teeth: 10 teeth for 40/41/420 Chain Driven unit: 5/8" driven pulley: Engagement range: 2350±200 RPM Read more 30 Series Toruqe Converter Belt: Asymmetrical belt Cogged beltFOR 5/8" DRIVEN 30 Series Toruqe Converter Belt: Length: 70.5cm / 27.76"Outside circumference: 27 23/64" Width is 3/4"(1.9cm / 0.75") 30 Series Toruqe Converter Belt: Center to Center of driver and driven: 6-15/16 to 7"Replaces Comet, Also Fits Manco Go Karts Read more Read more