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Old 10-05-2012, 10:06 AM   #1
More_Miles OP
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Joined: Aug 2009
Location: New Brunswick Canada
Oddometer: 312
My bike just turned 100.... Now what?

Hey all!

Just rolled up a metric 100000 miles (160000 km) on the '83 R100RT. I got to thinking about major items as opposed to routine maintenance that may or may not need to be done. I've been repairing things that come up and reverting some kludges for the last four years since I bought the bike. I've had a few ideas, like:
  • Timing chain, since I have a weeping timing chest gasket anyway. A "since I'm in there" issue. I don't have any symptoms of problems and for all I know it was changed sometime in the past
  • Final drive spline and new drive cup for the rear wheel even though the splines are about 50%
  • New rings as I'm burning a bit of oil and AFAIK they are original. Relatively cheap and not too difficult for a Nikasil bore
  • Starter rebuild, just 'cause.
  • New springs in the forks
Some items I've already done as a break/fix over the last couple years:
  • New alternator rotor
  • New diode board
  • Replaced some cracked and hacked wiring on the charging side
  • New wheel bearings in the rear wheel
  • New seat foam and cover (how did I ever ride that clapped out POS!)
  • New second hand heads to get me through a valve recession problem until I could scrape up the scratch and time to get the original heads rebuilt.
I've been wondering about pulling the transmission and sending it out just because, but that's a lot of dough to throw even though it could be a DRT (Dead Right There) problem should it ever decide to go south. There is also a clunking that comes from the drive line that I am quite sure is the "cush" drive getting old. Might fix that just 'cause as well.

Did I miss anything major, or am I, as usual, over thinking things? Wait a moment, I ride an airhead, the only motorcycle that requires precision measuring tools to change the oil! Of COURSE I'm over thinking this!
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Old 10-05-2012, 10:36 AM   #2
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Joined: Mar 2011
Location: Silver Spring, Md
Oddometer: 10,005
I don't think I would do splines if they are still around 50%.

Sounds like rings first and maybe timing chain. Those other two things also wouldn't do unless I saw more of a reason.
Never memorize something you can look up.
---Albert Einstein

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Old 10-09-2012, 10:12 PM   #3
Mark Manley
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Joined: Apr 2010
Location: Back home in the UK
Oddometer: 776
Your list of things to do is pretty much what I did to mine at 100,000 miles, new rings, valves, valve springs, I checked the guides and thought them ok but yours might not be, timing chain I also dropped the sump, cleaned it and the intake filter which were both spotless.
I did think about the gearbox but left it and at 160,000 miles it is still ok.
In terms of mechanics that was it, all other work was cosmetic
If it's in the Touratech catalogue then you don't need it

"You've got to think for yourselves! You're all individuals!"-Brian of Nazareth
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