Wossner Standard Series Piston Kit - 8630DA For Gas Gas 450F 2013-2015 | Yamaha YZ 450 2006-2009 Brand_Dynatek Spoke-mounted rotor with 5 bolt

Spoke-mounted rotor with 5 bolt holes with 6

36 mm Skirt Coating Moly Coated Type Standard Size B Displacement 250 cc Bore - Oversize Standard Piston Material Aluminum Alloy

Material AFM (Aluminum Foam Material) Units Each Riding Style Street Product Name Gasket Type Primary

Cam chest pic up features a magnetic trap to protect scavenge rotors from metal debris

Feuling recommends running the oil level 90%-99% full when hot

Wossner Standard Series Piston Kit - 8630DA For Gas Gas 450F 2013-2015 | Yamaha YZ 450 2006-2009 Brand_Dynatek Spoke-mounted rotor with 5 boltFeatures Enhanced piston pin oiling slots, radial boss machining, and annular grooves for improved wrist pin lubrication Lightweight piston with a tight piston wall clearance for a quieter running engine Skirt coated for reduced friction and improved break in performance Ring land treatment for improved ring seal and oil control Double bridged forging design where noted Kit includes piston, rings, wrist pin and pin locks Specs Engine Type 4 Stroke