SPROCKET REAR MOTO MASTER ULTRALIGHT STEEL 38T YAMAHA WR YFM YFZ YZ Stock Item:SPROCKET REAR MOTO MASTER ULTRALIGHT STEEL 38T YAMAHA WR YFM YFZ YZ Cylinder Works Cylinder Kit +4mm

Cylinder Works Cylinder Kit +4mm BIG BORE Kit) makes 488cc

enhancing friction properties and pad life

long lasting compound with an excellent combination of skim performance and feel

BR7HIX Iridium Spark Plug NGK 7067

Holes Centres: 55mm

SPROCKET REAR MOTO MASTER ULTRALIGHT STEEL 38T YAMAHA WR YFM YFZ YZ Stock Item:SPROCKET REAR MOTO MASTER ULTRALIGHT STEEL 38T YAMAHA WR YFM YFZ YZ Cylinder Works Cylinder Kit +4mmTop grade hardened steel, will outlast an aluminium sprocket up to 3 times. Special coating for extra durability. Race proven design offers optimal strength to weight ratio. CAD designed and laser cut using state of the art technology. Made in Europe