DETAILS, FICTION AND HONDA 250 HP OUTBOARD WEIGHT

VVT achieves this by modifying the timing in the ingestion valves, enabling them to open prior to the exhaust valves are thoroughly shut, developing a momentary overlap within the timing where the two sets of valves are open up. Employing VVT, this overlap is often improved or lessened by altering intake timing with the camshaft causing the best po