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VForce4R Reed Valvex increase engine power and gas reactivity by improving the efficiency of the intake system compared to the original reed valves
While the VForce3 has been continually refined over the years
excellent-grip materials
it is particularly suitable for needs up to about 175 ccm
} PROX casted pistons are made from a specific aluminum alloy which lowers frictions anf maximizes reliability
UFO Zijnummerplaten wit Yamaha VForce4R Reed Valvex increase engineUFO plastics are renowned for their quality and their resistance to off road use. They're designed like OEM plastics and are easy to mount. They are used by today's MXGP top teams and former world champions. OEM type Made from UV, choc and torsion resistant injected plastic
