Kymco ZX50 unrestricted drive boss. 166.0076

Kymco ZX50 unrestricted drive boss. 166.0076The variators in the Kymco ZX50 have a drive boss with a shoulder that will limit the top speed of your bike. Replacing the boss is an easy way to add some speed.

Fever ZX II 50 Super Fever SC10AS 2T AC

Habana 50cc AC (after 1999)

Anytime you add a cylinder kit or exhaust you will have to dial in your clutch to keep your bike within its powerband

- Malaguti Yesterday 50

Runner SP 50cc LC (after 08/2004)

Its always a good idea to replace your needle bearing when upgrading your cylinder

BETA: ARK AIR - ARK LC-SERIE K - EIKON 50 - QUADRA - TEMPO

electrical and mechanical design

ZN50QT 50cc 2-stroke

Polini Evolution crankshaft bearing for the Minarelli horizontal

Slider 50cc AC (before 2004)

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