This is the replacement Venturi (large) for the .40FPS engine.|
1-Venturi (aluminum with pre-drilled holes for mounting)
Venturi Diameter: 7mm (inside)
Venturi Throat Diameter: 10mm (outside)
This is a front mounted venturi and will be attached to the crankcase.
Nozzle Assy OSMG7325
This part(Large Venturi) creates a lesser venturi effect for slower air
flow to the carb when compared to the small venturi