Engine, Works Hight Pressure cylinder set Honda CRF250R 2004 to 2009, CRF250X all years - CYLINDRE KIT CRF250R4--9 WORKS HC

Engine, Works Hight Pressure cylinder set Honda CRF250R 2004 to 2009, CRF250X all years

556,67 € 415,83 € 499 excl VAT
Bore 78mm
Piston pressure higher from 12,9 to 13,4:1
Vertex piston

More cylinder pressure can be use as it. You will have more power from low to top rpm. The main jet could be smaller becasue the gas will burn easier.
This higher piston pressure will also match with a grinded camshaft for more power from mid to top rpm.