You need a 54mm or 2.126" Clutch Drum to go over the clutch rotor.
Mix ratio is 40 to 1. Use 3.20 oz of high quality two cycle oil to One gallon (128 oz ) of unleaded gas.
The 22.5cc engine is made in China and is used on stand-up scooters such as Tornado 22, Mosquito DX 24, Mosquito DX 26, Goped Liquimatic, Zooma 22cc found in Kragen Shucks and Checkers auto parts stores.
This engine can be used with our Friction Drive kits and some of the gear and chain drive kits.
You also can use the Small Double Bearing 54 mm Clutch Housing 5/8" or 1/2"
Mounting Bolt Hole Spacing: 58mm or 2.283" or 82mm or 3.228" measuring diagonal. Oil Mix: 40 to 1 Piston Ring: 35mm Kill Switch: Two wires 1 Black/Red Choke: Yes Includes the Ignition System, Pull Recoil Starter, Carburetor, Air Filter and Two Shoe Clutch & Spring.
We have a no-return policy on all engines, barring manufacture defect or shipping damage.