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FJR Motorcycle Forums
FJR Specific Discussion
Valve shims
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<blockquote data-quote="Twigg" data-source="post: 1219521" data-attributes="member: 27619"><p>Scott you will not get a "ticking noise" from valves that are out of adjustment. If anything, they get quieter right up to the point that the valves could burn. The idea that valves "tick" is a hangover from the old tappets, which did indeed tick and rattle when they needed adjusting. There was an issue with the early FJRs that cause a "ticking" on an exhaust valve, but it was not related to the valve to shim clearance.</p><p></p><p>Depending upon mileage, checking the valves is a reasonable thing to be doing, but you should investigate further where that noise is coming from.</p><p></p><p>Noise, especially at start-up, is often related to the Cam Chain Tensioner and will be loudest on the right side of the engine.</p></blockquote><p></p>
[QUOTE="Twigg, post: 1219521, member: 27619"] Scott you will not get a "ticking noise" from valves that are out of adjustment. If anything, they get quieter right up to the point that the valves could burn. The idea that valves "tick" is a hangover from the old tappets, which did indeed tick and rattle when they needed adjusting. There was an issue with the early FJRs that cause a "ticking" on an exhaust valve, but it was not related to the valve to shim clearance. Depending upon mileage, checking the valves is a reasonable thing to be doing, but you should investigate further where that noise is coming from. Noise, especially at start-up, is often related to the Cam Chain Tensioner and will be loudest on the right side of the engine. [/QUOTE]
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FJR Motorcycle Forums
FJR Specific Discussion
Valve shims
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