Item fits:
Yamaha YZ250 03~23
Item includes:
Ø66.4MM Stock Bore Cylinder x 1
Replace OE P/N: 5UP-11311-21-00
Cylinder Head & Bolts Kit x 1
Replace OE P/N: 5UP-11111-00-00
Std Piston w/ RIK Ring Kit x 1
Replace OE P/N: 1P8-11631-00-A0
Complete Top & Bottom End Engine Gasket Set x 1
Replace OE P/N: 5UP-11351-00-00, 93210-74316-00 , 93211-02703-00
Features:
★ Nikasil Plating Cylinder for bettering heat dissipation and low friction
★ Cylinder is machined and plating in Taiwan
★ Tighter tolerances for better Engine Performance
★ Better Heat Conductivity and low wear low friction
★ Much Durable
★ Made In Taiwan
★ A390 aluminum alloy
★ Hard Anodize on crown and side for ignition and combustion resistance
★ MoS2 Skirt coating reduce friction and improve wear
★ RIK Piston Ring: most well-know manufacturer in the industry
★ Cast piston has super-high silicone content for additional strength
