Motorcycle Manual Exhaust Valve

189975 mfg part.

Motorcycle manual exhaust valve.

If the head does require new valve seats the mechanic is advised to have the valve guides replaced by the machine shop at the same time. Should the valve seats be in need of replacement the mechanic should entrust the work to an automotive machine shop that will have the necessary machines and tooling. An exhaust servo motor is one component of the exhaust valve system sometimes called the ex up or power valve system found on almost every modern sportbike including all honda kawasaki yamaha suzuki bmw ducati triumph and a few others. Kibblewhite precision machining black diamond stainless steel exhaust valve 5 mm 20 21017 part.

The system consist of a few parts the first is the valve assembly inside the exhaust pipe. Finally the day comes when it forcefully touches each other which results in the worn valve seats. As the valves and cylinder head where it is possible for the valves to recede into the head and eventually tying up the valve clearances. If rapid piston retraction required by using quick exhaust valve task can be accomplished.

20 21017 clearance 25 off. Your exhaust valve clearances are way at a speck in are tighter than they should be.