Vergaser Mikuni VM 20-273

The Mikuni VM20-273 is supplied with the following factory jetting installed: pilot jet 22.5 (M28/1001), needle 4J13, needle jet O-6/N-6 (238/332 Series), main jet 180 (4/042), air jet 0.5, slide cutaway 2.0 (VM38/24), needle valve 1.5.

Dimensions: fixing holes center distance 50.8mm, inside 20mm, air intake connection outside diameter 44mm, total depth 66mm, totale heigth 114mm, total width 76.5mm.

These factory VM Round Slides are both 2 and 4 stroke compatible and are the most popular high performance singles carburetors in the sport of motorcycling: Mikuni’s VM Series round slide single carburetors have proven themselves as the performance standard for use in any single cylinder motorcycle and ATV applications for motocross, enduro and trail riding, to flat track racing and road racing.

Performance features for the Mikuni VM Series Carburetors include a large selection of bore sizes for increased fuel mixture flow to match engine modifications.  And the Mikuni VM Series offers a wide range of tuning components to allow precise fuel mixture metering in any application, at any throttle setting, under any riding conditions.