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PROX Steel Exhaust Valve Conversion Kit designed for Yamaha YZ250F and WR250F. This kit provides a robust solution for the exhaust distribution of 250cc 4-stroke cylinders, suitable for motocross and enduro use where mechanical strength and heat resistance are essential.
One-piece forged steel exhaust valves
Complete kit delivered with springs for a clean installation
Designed for the engine reference of the models listed below
The forged steel valves offer excellent wear resistance and good performance under thermomechanical stresses encountered on the track or during trail rides. The one-piece construction minimizes the risk of delamination and facilitates the seating/lapping on the valve seats during engine refurbishment. The kit includes the necessary springs to restore a complete valve train and properly prepare the cylinder head before adjustment.
Main compatibilities:
YAMAHA YZ 250 F (CG39) (2018)
YAMAHA WR 250 F (RE25) (2018)
YAMAHA YZ 250 F (CG34) (2016)
Manufacturer's ref: 28.SES2414-1
Technical information :
Reference
PRO00515A / 1004722
Use
Mx
Compatible motorbikes
YAMAHA4 compatible models
YZ 250 F (CG34) - 2014/2016YZ 250 F (CG39) - 2017/2018WR 250 F (CG36) - 2015/2015WR 250 F (RE25) - 2016/2018
30 days returns
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