WSM Piston Kit - Yamaha - +1 mm 50-520-07PK Youth PowerCore Core Goggles Clear Lens Combed Ring-Spun

Combed Ring-Spun

The key switch will have to be replaced with a toggle switch mounted on the fairing bracket (sold separately)

Class-leading impact protection provided by knee protectors

available as an optional upgrade

Top of the rack is about level with top of seat and each rack has a kick up in the rear

WSM Piston Kit - Yamaha - +1 mm 50-520-07PK Youth PowerCore Core Goggles Clear Lens Combed Ring-SpunQuality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves