O-ring for Exhaust - Cylinder 12 hp

0-ring/spacer rubber in the cylinder-top water hole

special high temperature, extra thick, correct diameter, ensuring raised compressible fit to gasket.

fitted to cylinder head recess in top starboard side

fits:

1. vire 12 original alloy silencer
2. vire 12 stainless steel 'rustfree' silencer (upgrade)