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FJR Motorcycle Forums
Technical & Mechanical Problems
Poll: What Valve Shims Did You Require?
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<blockquote data-quote="RaYzerman19" data-source="post: 853782" data-attributes="member: 18388"><p>All good points, Fred. I too suffer from 'old-timers' occasionally and normally like to get things buttoned up ASAP. The wait time here for parts is bad with Yamaha, relative to Honda dealers who can get parts overnight from a central warehouse. Yamaha parts can take a week or two depending on the distribution setup they have local to you. One would expect shims to be a standard item. Perhaps your local dealer has a shim collection, wouldn't hurt to ask if they will exchange with your old ones and what they charge.</p><p></p><p>As more report in, we may find the range is going to be primarily 1.75 thru 1.85, and there are 3 sizes of replacements. Preliminary theory - Assuming gaps will always get smaller with age, and that one might be able to swap 3 or 4 to get good gaps, one might only need a half dozen 175's, maybe a few 170's. But, considering money, and shims available individually for $1.50 one can afford to build a larger selection.</p><p></p><p>I have not done a thorough search of Hot Cams or Pro X, but so far, I found individual Pro X shims at Rocky Mountain ATVMC</p><p></p><p><a href="https://www.rockymountainatvmc.com/productDetail.do?navType=type&vehicleId=6349&navTitle=Engine&webTypeId=50&webCatId=17&prodFamilyId=26634" target="_blank">https://www.rockymountainatvmc.com/productDetail.do?navType=type&vehicleId=6349&navTitle=Engine&webTypeId=50&webCatId=17&prodFamilyId=26634</a></p><p></p><p>We're all interested to see more data, though, so come on guys, report in!!</p></blockquote><p></p>
[QUOTE="RaYzerman19, post: 853782, member: 18388"] All good points, Fred. I too suffer from 'old-timers' occasionally and normally like to get things buttoned up ASAP. The wait time here for parts is bad with Yamaha, relative to Honda dealers who can get parts overnight from a central warehouse. Yamaha parts can take a week or two depending on the distribution setup they have local to you. One would expect shims to be a standard item. Perhaps your local dealer has a shim collection, wouldn't hurt to ask if they will exchange with your old ones and what they charge. As more report in, we may find the range is going to be primarily 1.75 thru 1.85, and there are 3 sizes of replacements. Preliminary theory - Assuming gaps will always get smaller with age, and that one might be able to swap 3 or 4 to get good gaps, one might only need a half dozen 175's, maybe a few 170's. But, considering money, and shims available individually for $1.50 one can afford to build a larger selection. I have not done a thorough search of Hot Cams or Pro X, but so far, I found individual Pro X shims at Rocky Mountain ATVMC [URL="https://www.rockymountainatvmc.com/productDetail.do?navType=type&vehicleId=6349&navTitle=Engine&webTypeId=50&webCatId=17&prodFamilyId=26634"]https://www.rockymountainatvmc.com/productDetail.do?navType=type&vehicleId=6349&navTitle=Engine&webTypeId=50&webCatId=17&prodFamilyId=26634[/URL] We're all interested to see more data, though, so come on guys, report in!! [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Poll: What Valve Shims Did You Require?
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