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FJR Motorcycle Forums
Technical & Mechanical Problems
Cam Chain Tensioner
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<blockquote data-quote="ionbeam" data-source="post: 791784" data-attributes="member: 277"><p>There have been a number of Gen IIs with rattling chains but no failures. I think us Gen I guys have 'yelled fire in the theater' and everyone has run to the shop to replace the CCT at first rattle. IMO, there is no reasonable replacement interval in terms of miles. The assembly process for the old style CCT was variable, allowing some CCT springs to be wound with great pressure and others were wound flaccid. The CCTs born with too little spring pressure begin life with too little force to take up slack as wear begins. My chain was rattling before 20k miles. RH appears to be an aberration ( <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> ) in that his CCT spring actually broke. My FJR is just about due for a valve check and you can bet your ass that I'll be changing my CCT at that time.</p><p></p><p>I believe the new blue dot CCT was released sometime during the last quarter of 2009.</p></blockquote><p></p>
[QUOTE="ionbeam, post: 791784, member: 277"] There have been a number of Gen IIs with rattling chains but no failures. I think us Gen I guys have 'yelled fire in the theater' and everyone has run to the shop to replace the CCT at first rattle. IMO, there is no reasonable replacement interval in terms of miles. The assembly process for the old style CCT was variable, allowing some CCT springs to be wound with great pressure and others were wound flaccid. The CCTs born with too little spring pressure begin life with too little force to take up slack as wear begins. My chain was rattling before 20k miles. RH appears to be an aberration ( ;) ) in that his CCT spring actually broke. My FJR is just about due for a valve check and you can bet your ass that I'll be changing my CCT at that time. I believe the new blue dot CCT was released sometime during the last quarter of 2009. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Cam Chain Tensioner
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