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diz plaz is cwazy
 
RIQUE's Avatar
 
Join Date: Nov 2009
Location: South America Bolivia
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Another Rear end leak 1100

I have a small leak right where the arrow points. I looked at a parts fiche but I canīt see any oil seals on either side. Is it just a busted boot? What to do. Thnx.

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Life rewards action, He who is not afraid is safe!
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BWM R1100S 2004 (fat girl) BMW S1000RR 2011(skinny
BMW R1200S 2007 (stingger) Honda CX500TC 1982 (turbo)
Old 11-03-2016, 06:29 PM
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It could be the transmission output seal or the bevel gear seal in the final drive. I have had leaks at both places.

#3-






#4-

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RBMann- The road is his workshop, and his trips are opportunities to do much needed repairs. -Bill S.
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* '83 GPZ 550-gone to a newbie * '75 CB400F-retired to AZ.
Old 11-03-2016, 09:35 PM
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Also some light reading covering these seals-

Driveshaft and more love.
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RBMann- The road is his workshop, and his trips are opportunities to do much needed repairs. -Bill S.
* 2000 S, color-Salmon 108K+ -sold
* '17 Africa Twin-totaled* '09 F650GS twin-sold
* '83 GPZ 550-gone to a newbie * '75 CB400F-retired to AZ.
Old 11-03-2016, 10:00 PM
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There are two seals, one a the back of the transmission, and one at the front of the final drive. If either one of those leaks it will cause oil to accumulate there. If it's small I would try to ignore it until you have some other reason to get into those areas.
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Jim Moore
Jax, FL
'01 R1100S
'07 CBR600RR
Old 11-04-2016, 02:10 AM
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I'll partially agree with Jim about ignoring it. But only if it's the seal at the rear of the transmission. On my R11S it was the seal at the pinion gear and it was caused by the gear mesh in the final drive being too tight.
If I hadn't sent the final drive to Anton, it could have destroyed the entire final drive.
Old 11-04-2016, 06:09 AM
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diz plaz is cwazy
 
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Join Date: Nov 2009
Location: South America Bolivia
Posts: 1,634
Garage
Thanks folks, will have to check how much oil Iīm loosing before I go any further

__________________
Life rewards action, He who is not afraid is safe!
A Zest for living requires a willingness to die!
--------------------------------------------------------
BWM R1100S 2004 (fat girl) BMW S1000RR 2011(skinny
BMW R1200S 2007 (stingger) Honda CX500TC 1982 (turbo)
Old 11-04-2016, 10:41 AM
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