Item fits:
Yamaha YFZ450 2004~2005
Item includes:
+1.4 mm Stroker Crankshaft x 1
Replace OE P/N: 5TG-11400-00-00, 5TG-11400-21-00
STD Piston Kit x 1
Replace OE P/N: 5TG-11631-11-00, 5TG-11631-12-00
RIK piston Ring Kit x 1
Replace OE P/N: 5TG-11603-00-00
Complete Engine Gasket Set (Thickness of oil seal: 2.5mm) x 1
Features:
★ (+1.4mm stroke) makes it true 450 c.c.
★Taiwan Performance Products
★ World Class Needle Roller Bearing
★ Double Forged Japanese Alloy steel
★ Improved oil canal design for bettering lubrication
★ Shot Peening to improve fatigue durabilit
★ Direct Replacement Parts
★ 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
★ Dyno Proven: In-house Dyno test assures all design and manufacturing fulfill the market demand.
