A Petter 1.5 to 4 HP air valve.
The air valve must lie flat on the face of the valve plate and the four air ports behind the valve must be covered.
Petter Air Valve For 1,1/2HP to 4HP Engines
A Petter 1.5 to 4 HP air valve.
The air valve must lie flat on the face of the valve plate and the four air ports behind the valve must be covered.