Description
- Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not include valve stem seals, rubber part, shims or other fiber gaskets.
Yamaha — WR 450 F — (2007, 2008, 2010, 2009, 2011, 2012, 2013, 2014); Yamaha — YZ 450 F — (2009, 2006, 2007, 2008); Yamaha — YFZ 450R 4×2 — (2018, 2019, 2014, 2010, 2016, 2013, 2009, 2017, 2011, 2015, 2012); Yamaha — YFZ 450R SE 4×2 — (2010); Yamaha — YFZ 450 4×2 — (2017); Yamaha — YFZ 450 X 4×2 — (2010)






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