BWS/ZUMA YW50 (2002-2011) (141)

A quality PWK Stage6 hand jet box. Fits PWK type carburetors. A quality PWK Stage6 hand jet box. Fits PWK type carburetors.

This is the Stage6 bearing (metal cage) and oil seal set. Manufactured by SKF, they are of impeccable quality. This kit is designed for Minarelli crankcases. Here is the set...

Here are the springs available for the Stage6 Torque Control clutch. For Stage6 clutch spring comparisons: White: Soft Orange: Medium Red: Stiff Here are the springs available for the Stage6...

Polini air filters with a 90° angle. These open-cell foam air filters provide excellent filtration; the cover or box in which the air filter sits not only looks great, but...

A quality Polini PWK hand jet box. Fits PWK type carburetors. A box of quality PWK Polini hand jets. Fits PWK type carburetors.

Here is our selection of pilots carburetor jet PHBG . Often the pilot jet supplied with type carburetors PHBG is too big. According to our tests, we we can say that for the majority of configurations using a...

Doppler Endurance full-mass crankshaft of excellent quality. It revs well (up to 15,000 RPM) and holds up well with powerful engines. Connecting rod: 80mm Stroke: 39.2mm (original) 10mm Model: 10x14x13...

These are the PWK carburetors from Sun World, the direct manufacturer of Koso, Polini, and other brands. Used for several years in the racing field, Sun World carburetors are a...

The Uni air filter is made of polyurethane foam with an open-cell structure for optimal filtration. Air filters protect the engine by removing impurities and improve airflow. The Uni air...