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Old 02-24-2012, 03:08 PM   #1
Paper OP
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Swapping final drives on a SWB R65

My 81' R65 tends to spit just enough final drive gear lube to make a mess of the sides of my rear tire..
The level never seem to drop much, if at all.. Just enough to make a greasy mess..

Anyway, I found a nice replacement final drive and I'm going to swap them out, so I can repair the seal on my original.. I got the final drive for $120 and I figure I'll change lube and slap it on, BUT, is there any thing I should look out for when performing this task?? I have a Clymer, and will follow it, but I was just wondering if there's anything else to keep my eye on before or after (or during) the swap?

Since it'll be another month before the salt's cleared off, I can't ride, so I might as well fix..

Flat top carb rebuild kit showed up yesterday..
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Old 02-24-2012, 06:08 PM   #2
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Quote:
Originally Posted by Paper View Post
My 81' R65 tends to spit just enough final drive gear lube to make a mess of the sides of my rear tire..
The level never seem to drop much, if at all.. Just enough to make a greasy mess..
Have you checked the orings on your brake cam? I had the same issue, thought it was the seal, but it was the wrong sized o ring. Very messy.
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Old 02-24-2012, 06:14 PM   #3
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There is also a pressed in brake locating pin that can be loose. Check that also, if you can pull it out use some black permatex #2 to seal it. The big seal isn't that hard to replace (looky here). The outer cover comes off pretty easy, but check that pin and as Jenna mentioned the o-rings too.
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Old 02-24-2012, 06:22 PM   #4
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Thanks to the both of you! I haven't had a chance to do much inspection at all, but will be digging into it next weekend. 5" of snow last night does that. :)

Anyway, I actually traded an unused fishing boat for this bike last spring... I did some cosmetic work but other than carb balance and valve adjust, and full fluid change, I didn't get very far with it.. A month later a 05' 1200GS wandered into my life, so the little R65 was sorta forgotten in the back of the garage. When I had the desire for an airhead, I rode my monoshock R80..

So this year is different, and I'm going to ride both airheads more.. I'm slapping a new rear tire on the R65 next weekend, so I'll take a good look at the brake parts as a cause for leaks..

My spare final drive is still a viable replacement, though..
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Old 02-25-2012, 07:39 AM   #5
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When bolting in the 'new' drive, before tightening the Swingarm/FD fasteners, install the axle. There is enough play in the mounting that the axle can bind if this isn't done.
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Old 02-25-2012, 07:41 AM   #6
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There is enough play in the mounting that the axle can bind if this isn't done.
Excellent! And thank you!!
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