Clutch specs are as follows: Shaft ID: 16mm (5/8") Clutch OD: 156mm This 5/8" clutch is compatible with Honda-Type 5.5Hp (163cc) - 6.5Hp (212cc) horsepower engines. The Northern Hydraulics Northstar and Harbor Freight Predator engines also use this same clutch. Typical Fitments (Confirm specs before ordering): American Sportworks Black Widow 136cc, Marauder 208cc; Baja Blaster BB65 196cc, Dune DN65 196cc, Sand Dog SD65 196cc, Trax TX65 196cc 6.5HP; Coleman Powersports KT196; Hammerhead 80T 163cc, MudHead 208cc, Stingray 196cc, Torpedo 136cc; Manco Aerforce F-211 (7.0HP), Bandit 104B (4.0HP), Critter 415 (5.0HP), Dingo 285 (5.5HP), Dingo 286 (6.0HP), Eliminator SS 426 (5.0 HP), EZ Rider 906C (6.5 HP), Intruder GFX 607C (7.0 HP), Intruder II 617C (7.0 HP), Intruder RT (211cc), Spitfire (6.5 HP); Motovox MBX20; TrailMaster Blazer 200R, Mid XRS (200cc), Mid XRX (200cc), Mid XRX With Reverse (200cc) Gokart Mini Bike Clutch compatible with Coleman KT196, American Sportworks, Manco, Hammerhead, Trailmaster, and more