Bolt Size Chart For GX160 & GX200

Bolts Description
 Cylinder head intake bolts. M6 x 20 1.00 pitch Used for bolting our carb adaptor to the cylinder head.
 Cylinder head exhaust bolts. M8 x 25 1.25 pitch Used for bolting a header to the engine.
 Output shaft bolt. 5/16"-24 x 3/4" fine thread Used to secure the clutch on the crank.
Chain guard bolts. 5/16"-24 x 3/4" fine thread Used to bolt chain guard to engine. We have found that some engines use M8 x 20 1.25 pitch bolts for the chain guard.

Our bolt kit & bolt/stud kit do not include the bolts above.