Polini PWK Main Jet Kit (120-138, 10 Jets); PWK Carburetors ytz7 Mounts using existing holes —

Mounts using existing holes — no drilling required

Part FRKSF

Gear selector for vintage 3-speed Vespa scooters with manual transmission

Compatibility: Fits all scooters with pop-up seats

Diameter Mirror Head: 4

Polini PWK Main Jet Kit (120-138, 10 Jets); PWK Carburetors ytz7 Mounts using existing holes —This Polini Keihin hex style main jet kit works with Polini PWK carburetors. Jetting is something that takes trial and error. See our blog page of for more info. Original Parts For Scooters SKU 146 34 Specifications: Thread Size: M5x0. 80 Overall Length: 16. 5mm Jet sizes: #120 #138 (even numbers) Compatibility: Bikes running Polini PWK carbs About Polini: For over 50 years, Polini has stood unparalleled in the racing and tuning scene. Polini has