THE ULTIMATE GUIDE TO OUTBOARD MOTORS FOR SALE IN FLORIDA YAMAHA

VVT achieves this by changing the timing on the ingestion valves, permitting them to open up prior to the exhaust valves are thoroughly closed, creating a momentary overlap within the timing where each sets of valves are open up. Utilizing VVT, this overlap may be elevated or lowered by altering intake timing with the camshaft causing ideal timing