BWS/ZUMA YW50 (2002-2011) (139)

Just check your original clutch to see if you have a 105mm diameter or a 107mm diameter clutch shoes. You can measure the inner diameter of the clutch bell (105 mm...

This racing clutch is ideal for lightly tuned engines and engines with sports exhaust. This racing clutch is ideal for lightly tuned engines and engines with sports exhausts.

Polini cableless choke for CP and PWK carburetors. Choke without Polini cable for CP and PWK carburetor.

Teknix 10mm Minarelli Horizontal replacement crankshaft. Replacement Crankshaft Teknix 10mm Minarelli Horizontal.

Polini Straight Air Filters . These open-cell foam air filters provide excellent filtration; the cover or box that houses the air filter not only looks great, but protects the air...

Circlip for Polini CP carburetor. Circlip for Polini CP carburetor.

The diameter of most stock air filters is a little too small to allow enough air into the carburetor. It is possible to increase the air intake by drilling additional...

The Polini needle kit for PWK carburetors includes 10 different needles for precise adjustment of the air/fuel mixture at mid-range. Essential for optimizing the performance of a PWK carburetor, this...

The Polini Big Evo 35–55mm air filter is designed for high-performance setups requiring maximum airflow. Thanks to its large filter element and racing design, it significantly improves airflow to the...