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FJR Motorcycle Forums
Technical & Mechanical Problems
replaced camchain and tensioner
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<blockquote data-quote="ionbeam" data-source="post: 605927" data-attributes="member: 277"><p>I'll use my blunt crayon to add --</p><p></p><p>Chain wear causes the chain to become longer, misnamed stretching. There is a specific way to measure a circular chain for length and this is how you determine if the chain is at or past service length.</p><p></p><p>If your engine was noisy it was because the chain had worn and became longer, and the <em>automatic</em> tensioning from the CCT did not automatically take up the slack.</p><p></p><p>The CCT plunger starts life just under half way extended and over the life of the cam chain will only extend 1/4 to 1/2 inch farther. When testing the CCT, the area where you should have felt for uniform, strong force was from slightly under half way extended to just over half way extended.</p><p></p><p>It sure seems that there should be a better design for the CCT.</p><p></p><p>Consider what you paid to be an insurance policy against a potential $2,000 to $4,000 repair bill.</p></blockquote><p></p>
[QUOTE="ionbeam, post: 605927, member: 277"] I'll use my blunt crayon to add -- Chain wear causes the chain to become longer, misnamed stretching. There is a specific way to measure a circular chain for length and this is how you determine if the chain is at or past service length. If your engine was noisy it was because the chain had worn and became longer, and the [I]automatic[/I] tensioning from the CCT did not automatically take up the slack. The CCT plunger starts life just under half way extended and over the life of the cam chain will only extend 1/4 to 1/2 inch farther. When testing the CCT, the area where you should have felt for uniform, strong force was from slightly under half way extended to just over half way extended. It sure seems that there should be a better design for the CCT. Consider what you paid to be an insurance policy against a potential $2,000 to $4,000 repair bill. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
replaced camchain and tensioner
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