60HP YAMAHA OUTBOARD FOR SALE IN SOUTH AFRICA - AN OVERVIEW

VVT achieves this by altering the timing with the consumption valves, letting them to open up prior to the exhaust valves are completely shut, making a momentary overlap inside the timing where equally sets of valves are open up. Applying VVT, this overlap can be amplified or reduced by altering consumption timing with the camshaft resulting in the