How Yamaha VVA(Variable Valve Actuation) Technology works

I was always curious why so many people say the NMAX has a lot of power for a 150cc engine. So i did a little research and found about the VVA technology. VVA stands for Variable Valve Actuation. This means that the cam profiles changes when the engine is at higher rpms. This acts like Honda Civic VTEC but only for motorcycle. CONTINUE READING

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