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FJR Motorcycle Forums
Technical & Mechanical Problems
Final Drive Re-shim/Tightening Backlash—Easy
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<blockquote data-quote="AuroraTom" data-source="post: 1387768" data-attributes="member: 90160"><p>Parts arrived last Friday, I put the final drive together yesterday with new o-rings and new pinion nut. Today I installed the final drive and put rear wheel back on. I took it out for a short 40 Mile test drive, mostly city streets and a few back roads. A lot of starts and stops and a few brief medium speed runs (up to about 90 mph).</p><p></p><p>I am impressed! I thought I might not like it because 1st gear is close to what 2nd used to be but that was not the case. Taking off from a dead stop was not a problem, didn't stall even once. It probably helps that I am running the OEM tire size (180/55 ZR17) not the slightly oversize 190/55.</p><p></p><p>I think this will eliminate the occasional search for a higher gear when already in 5th. 5th gear now seems like an overdrive.</p><p></p><p>Comparing speedometer to GPS speed I seem to be traveling approx 6% faster than speedometer indicates. Before the switch I "think" I was about 4% slower actual than indicated. Calculated fuel economy will take a hit but I will be traveling about 10% more miles than odometer indicates (I think it was accurate before the final drive swap).</p><p></p><p>I think I'm going to like this mod a LOT. I'm looking forward to putting on more miles as weather allows.</p><p></p><p>I will report back if any problems surface.</p><p></p><p>Tom</p></blockquote><p></p>
[QUOTE="AuroraTom, post: 1387768, member: 90160"] Parts arrived last Friday, I put the final drive together yesterday with new o-rings and new pinion nut. Today I installed the final drive and put rear wheel back on. I took it out for a short 40 Mile test drive, mostly city streets and a few back roads. A lot of starts and stops and a few brief medium speed runs (up to about 90 mph). I am impressed! I thought I might not like it because 1st gear is close to what 2nd used to be but that was not the case. Taking off from a dead stop was not a problem, didn't stall even once. It probably helps that I am running the OEM tire size (180/55 ZR17) not the slightly oversize 190/55. I think this will eliminate the occasional search for a higher gear when already in 5th. 5th gear now seems like an overdrive. Comparing speedometer to GPS speed I seem to be traveling approx 6% faster than speedometer indicates. Before the switch I "think" I was about 4% slower actual than indicated. Calculated fuel economy will take a hit but I will be traveling about 10% more miles than odometer indicates (I think it was accurate before the final drive swap). I think I'm going to like this mod a LOT. I'm looking forward to putting on more miles as weather allows. I will report back if any problems surface. Tom [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Final Drive Re-shim/Tightening Backlash—Easy
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