Is valve clearance necessary?
Is valve clearance necessary? Valve clearances are important, but having them done by your dealer can be very expensive; it's one of the main reasons a lot of bikes are traded in. But ignore them at your peril as over time your engine can be seriously damaged. What is intake valve lash? Valve lash is a small gap between the valvetrain components. It allows the metal parts to expand as they warm up without moving the valves. When the camshaft moves the lifter, it must take up the lash before the valve actually moves. Where is the Lash on the...