Saturday, 5 February 2022

Yamaha YZF R125 VVA Variable valve actuation


The electric motor or solenoid ( not sure yet ) actuates a pin and depending on it being on or off it engage the high and low rocker arms, these rockers are selected based on rpm to increase power.

Ill add more as i  learn more 





Found a few videos on Yamaha VVA 





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