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FJR Motorcycle Forums
Technical & Mechanical Problems
Can a novice Mechanic remove and service the Driveshaft/Gear Coupling/Final Drive? Constant puddles of drive oil under the drive shaft
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<blockquote data-quote="RossKean" data-source="post: 1451499" data-attributes="member: 19880"><p>The Yamaha gear lube is stupid expensive but, as infrared mentioned, it doesn't take very much so it amounts to a totally insignificant maintenance cost. On the other hand, many (most?) people use the Mobil 1 75W90 synthetic gear lube (or equivalent) without issue. I change my rear drive fluid once per year or so using a non-Yamaha synthetic gear lube and haven't had a problem in more than a dozen years and 450,000 kilometers on two different Gen II FJRs. Never had a leaky seal.</p><p></p><p>Did you have a look for a possible crack in the casting as I highlighted, above?</p><p></p><p></p><p>When you say "overflow" are you referring to the fill hole (where plug #25 goes) or the vent on the top of the drive (#27)? Or is it flowing out elsewhere?</p><p></p><p>(Should be filled via #25 without turning the wheel. Fill to the brim of the filler hole - requires just 0.21 US qt. or 6.7 fluid ounces from empty.)</p><p></p><p>[ATTACH=full]3072[/ATTACH]</p></blockquote><p></p>
[QUOTE="RossKean, post: 1451499, member: 19880"] The Yamaha gear lube is stupid expensive but, as infrared mentioned, it doesn't take very much so it amounts to a totally insignificant maintenance cost. On the other hand, many (most?) people use the Mobil 1 75W90 synthetic gear lube (or equivalent) without issue. I change my rear drive fluid once per year or so using a non-Yamaha synthetic gear lube and haven't had a problem in more than a dozen years and 450,000 kilometers on two different Gen II FJRs. Never had a leaky seal. Did you have a look for a possible crack in the casting as I highlighted, above? When you say "overflow" are you referring to the fill hole (where plug #25 goes) or the vent on the top of the drive (#27)? Or is it flowing out elsewhere? (Should be filled via #25 without turning the wheel. Fill to the brim of the filler hole - requires just 0.21 US qt. or 6.7 fluid ounces from empty.) [ATTACH type="full"]3072[/ATTACH] [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Can a novice Mechanic remove and service the Driveshaft/Gear Coupling/Final Drive? Constant puddles of drive oil under the drive shaft
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