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FJR Motorcycle Forums
Technical & Mechanical Problems
Valve check-ever been tempted to re-shim the entire valvetrain?
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<blockquote data-quote="Constant Mesh" data-source="post: 1150495" data-attributes="member: 615"><p>Don't see why the metric feelers are more accurate? 0.001" = 0.0254 mm</p><p></p><p>If your metric set has 0.13, 0.14, through 0.27 in .01 mm increments then OK they offer finer detail.</p><p></p><p>The gauge sets I've seen are similar to this:</p><p></p><p>25-blade gauge measures clearances from 0.04 to 1mm. Blade sizes:0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.15, 0.20, 0.25, 0.30, 0.35,0.40, 0.45, 0.50, 0.55, 0.60, 0.65, 0.70, 0.75, 0.80, 0.85, 0.90, 0.95 and 1mm. Blade Lengths: 3 in. long</p><p></p><p>0.05 mm increments in the range we need. The inch gauges offer finer detail -- 0.0254 mm increments</p><p></p><p>I'd recommend stuffing a rag or paper napkin in all those round openings offering access to the head bolts. I mishandled a shim, dropped it, and it disappeared down into one of those holes to the level below. It must have rolled when it touched down because it disappeared and was very difficult to find. I found and extracted it with a small magnet mounted on a soft, flexible alloy rod. Worst mishap I've ever had tinkering on a machine.</p><p></p><p>I'm amazed there are no bearings on the camshafts. The supply of oil must be generous from that small hole in the camshaft at each cap location. The centrifugal force from the camshaft rotation and the oil pump pressure must really propel the flow of oil.</p></blockquote><p></p>
[QUOTE="Constant Mesh, post: 1150495, member: 615"] Don't see why the metric feelers are more accurate? 0.001" = 0.0254 mm If your metric set has 0.13, 0.14, through 0.27 in .01 mm increments then OK they offer finer detail. The gauge sets I've seen are similar to this: 25-blade gauge measures clearances from 0.04 to 1mm. Blade sizes:0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.15, 0.20, 0.25, 0.30, 0.35,0.40, 0.45, 0.50, 0.55, 0.60, 0.65, 0.70, 0.75, 0.80, 0.85, 0.90, 0.95 and 1mm. Blade Lengths: 3 in. long 0.05 mm increments in the range we need. The inch gauges offer finer detail -- 0.0254 mm increments I'd recommend stuffing a rag or paper napkin in all those round openings offering access to the head bolts. I mishandled a shim, dropped it, and it disappeared down into one of those holes to the level below. It must have rolled when it touched down because it disappeared and was very difficult to find. I found and extracted it with a small magnet mounted on a soft, flexible alloy rod. Worst mishap I've ever had tinkering on a machine. I'm amazed there are no bearings on the camshafts. The supply of oil must be generous from that small hole in the camshaft at each cap location. The centrifugal force from the camshaft rotation and the oil pump pressure must really propel the flow of oil. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Valve check-ever been tempted to re-shim the entire valvetrain?
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