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BUY IT NOW: $585.99 Athena P400485100026 Big Bore 83mm Cylinder Kit Piston 290cc Yamaha YZ250F 08-13
-Athena cylinder kits are a bolt on performance replacement kit specifically designed for each model, with no machining required. -ATHENA cylinders have Nickel-Silicium treatment, which ensures high wear resistance and very low friction, moreover it is designed with bigger water jackets which guarantee reliability and constant performance. -The Forged Piston has been tested on engine dynamometer as well as on racing tracks and it has been design to find the best compromise between power and torque through all RPM range. -Kits include a cylinder, piston with rings, circlips, wrist pin and top end gasket set. Specs: *Cylinder Bore: 83mm *Stroke: 53.6mm *Displacement: 290cc *Compression Ratio: 13.5:1 *Aluminium cylinder with nickel-carbide coating *Designed with wider water jackets *Forged piston with moly coating *Special gasket kit
Fits: Yamaha YZ250F 2008 to 2013 OEM: P400485100026
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