THE SINGLE BEST STRATEGY TO USE FOR JOHNSON 200 HP OUTBOARD FOR SALE

VVT achieves this by altering the timing on the intake valves, permitting them to open up prior to the exhaust valves are completely shut, making a momentary overlap within the timing where each sets of valves are open up. Employing VVT, this overlap could be amplified or lowered by altering ingestion timing with the camshaft causing optimum timing