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CrashBar
Joined: 17 Feb 2008 Posts: 17 Location: Sommerville MA
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Posted: Mon Jan 24, 2011 9:41 am Post subject: 93 K11 Final Drive Service Question |
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I am currently at 108K miles. 30K by the PO and the rest by me. Planning on another 10 years, getting to 200K, and hitting the remaining states and provinces and a run into Mexico before even considering a new bike.
Last winter’s work included new driveshaft (blew the universal joint the year before, my only trip-ending failure to date), spline lube, new transmission seals, new clutch, new main seal and o-ring. All of that was successful, and did the Natchez Trace as well as Boston to SF.
I’m going to pull the swing arm again to replace the gear indicator switch. While I have the final drive off I thought I’d take it in and have it serviced. I’ve never done anything to it. Planning on another 8-10k miles this year (including Newfoundland) so I want to minimize any potential mechanical problems.
What exactly should I specify I want done? This is purely preventative as it looks / feels fine, fluid always looks clean, etc. _________________ 1993 K1100LT (116,000 miles and counting)
1973 Honda CB350F
1978 Honda CB550K
1973 Triumph TR5T |
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Jim Site Admin

Joined: 17 May 2003 Posts: 3841 Location: WHERETHEFUNNEVERENDS
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Posted: Mon Jan 24, 2011 11:35 am Post subject: |
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If the gear oil is coming out clear, everything is likely OK with the drive.
At something more than 50,000 miles, the final drive gear lube in the K came out gray, prompting a rebuild.
I went ahead and had the bearings changed while it was apart, although they looked good.
If there is no evidence of a problem, I don't think I'd go looking for one.
Apparently a number of bikes left the factory with the final drive set up wrong, but others were right. _________________ Jim
1997 K1100LTSE 94,000 - still has gremlins!
1995 R100RT Classic 16,650 crashed - repaired!
1992 K75RTP 46,000
"We shall not all die, but we shall all be changed." |
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Turbine Brick Rider
Joined: 16 Jul 2007 Posts: 46 Location: South Australia
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Posted: Wed Jan 26, 2011 2:26 am Post subject: Final Drive service |
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I would ask for a clearance check through the item. One of the biggest problems is when the item is made what was the clearance specs done to.
Ask what it should be.What was it & please put it on the min side of the specs. _________________ Yamaha TX650A
K100RS x 3
K100RT TO RS
Ducati 705F1-87
K1100RSM-93 |
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garynali Mad Brick Rider
Joined: 17 Apr 2010 Posts: 79 Location: Hervey Bay, Australia
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Posted: Fri Jan 28, 2011 10:20 pm Post subject: |
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If the old girl has done 108k with no final drive problems i.e. mag plug contamination, dirty oil,odd noises, etc i'd say it's telling you that it feels just fine.
Regards
Gary C
93 K1100RS (110 klicks) |
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merlin geikie Flying Brick Rider
Joined: 26 Dec 2008 Posts: 343 Location: Lismore far north coast nsw australia
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Posted: Sat Jan 29, 2011 9:12 am Post subject: |
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Garynali writes; | Quote: | | i'd say it's telling you that it feels just fine. |
Thing is that the FDs are made for long life.
Some were put together incorrectly in the factory ie preload blooper.
I think what Garynali is saying is that by now, everything being clear, you have a long life FD that was assembled right and could well go on for a long time yet.
There are good wrenches (mechanics) and not so good. If you get someone to take it apart and re jig it to specs, then you would want that wrench to be a really good one.
They can mess it up
YMMV |
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