Wossner Piston Kawasaki KX250 '92-'01 66.34mm thumpstar 5-Year life-cycle tested (by Thatcham

5-Year life-cycle tested (by Thatcham Research)

Involved in racing for many years at the highest levels

Backed by Vertex’s expertise in the powersports industry

Magnet alignment: The alignment of magnets around the flywheel is critical for proper stator operation

Replace your standard indicators with these beautifully crafted miniaturized high-performance components

Wossner Piston Kawasaki KX250 '92-'01 66.34mm thumpstar 5-Year life-cycle tested (by ThatchamWossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons rods and customer service. Features In house designed and manufactured; all forgings are produced in Wossner's company owned forging operation 4 stroke pistons are made using a double bridged forging design