This is a replacement thermo carb insulator gasket for O.S. 20K/21C/20L/21H/21J carburetors. This is the small gasket that goes between the carburetor and the engine crankcase to stop heat transfer from the crankcase to the carburetor. This fits on the O.S. 21 VZ-B V-Spec and 30 VG engines.
This product was added to our catalog on April 19, 2006
This is a replacement O.S. 6.5mm Aluminum Carburetor ...
Reducer, with included o-rings. This restrictor comes included with the B2101 engine. The carburetor restrictor (or venturi) is used to adjust the flow of air into the engine. By changing the size ...