1. Fitment: All engines with a 3/4 inch straight crankshaft, Go Karts 30 Series <br> 2. 2 Sprockets Includes: 1 x 12 Tooth Sprocket for #35 Chain, 1 x 10 Tooth Sprocket for #40/41/420 Chain <br> 3. Recommended: 2HP-7HP engine, 3/4" Shaft with flat key<br><br> <b>Driven unit: 5/8" driven pulley:</b><br> 1. Drive clutch bore: 19.05mm (3/4")<br> 2. Belt: Asymmetrical type<br> 3. Sprocket teeth: 10 teeth for 40/41/420 Chain<br> 4. Engagement range: 2350±200 RPM<br><br> <b>30 Series Toruqe Converter Belt:</b><br> 1. Asymmetrical belt Cogged belt <br> 2. FOR 5/8" DRIVEN<br> 3. Length: 70.5cm / 27.76"，Outside circumference: 27 23/64" , Width is 3/4"(1.9cm / 0.75"）<br> 4. Center to Center of driver and driven: 6-15/16 to 7"<br> 5. Replaces Comet, Also Fits Manco Go Karts<br><br> <b>INSTALLATION:</b><br> Step #1: Componets in kit are layed out in front of machine.<br> Step #2: Remove old clutch kits<br> Step #3: Bolt bracket to the four standard tapped holes in the engine crankcase using four M8*25 screws. Bracket may be rotated up or dow if necessary.<br> 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.<br> Step #5: Place the spacer (provided with kit) on the crankshaft, to bring the driver clutch in line with the driven unit.<br> 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. <b>IMPORTANT:</b> Be sure bronze idler bushing is in place on TAV 30-75. TAV 30-100 does not require bronze idler bushing.<br> 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.<br><br> <b>PS: If you find that the bolts installed are incorrect (metric), please contact me by email and I will reissue the correct inch bolts from the Amazon warehouse!!</b>