rear cover oil leak


Information and questions on GL1000 Goldwings (1975-1979)
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Barry Barker
Posts: 42
Joined: Thu Jul 12, 2012 5:21 pm
Location: Bismarck AR
Motorcycle: 1975 Honda gl1ooo

rear cover oil leak

Postby Barry Barker » Fri Aug 17, 2012 8:59 pm



I have tried to find info/parts list on the rear cover, looks like it covers the main seal. I have a leak from this cover that has two bolts. Does the cover seal with an oring or a gasket? I can make a new gasket, have not had any luck finding a parts pic of this area to determine what might be wrong or old.

Got the carbs all back together and installed on the bike, should be able to try them out next week. Thanks for the reply's.

Barry



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scotterichmond
Posts: 613
Joined: Fri May 06, 2011 3:49 pm
Location: Marblemount,wa
Motorcycle: 1975 GL1000
[img]http://images.goldwingdocs.com/scotterichmond_32376/Modestly_restored_1975_GL1000_750/engine_repainted_even_new_embl_3919.jpg[/img]

here is one optionRe: rear cover oil leak

Postby scotterichmond » Sat Aug 18, 2012 9:26 am


Barry Barker
Posts: 42
Joined: Thu Jul 12, 2012 5:21 pm
Location: Bismarck AR
Motorcycle: 1975 Honda gl1ooo

Re: rear cover oil leak

Postby Barry Barker » Sat Aug 18, 2012 3:27 pm

thanks for the info, but it is not the entire rear case, there is a small cover plate on the back of the rear case, it has 2 bolts and is about 4" in diameter. It looks to me to be a gasket, so i am going to pull the plate and just make a new gasket.

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terryt
Posts: 97
Joined: Mon Jul 23, 2012 4:52 pm
Location: United Kingdom
Motorcycle: 1979 gl1000 trike

Re: rear cover oil leak

Postby terryt » Sat Aug 18, 2012 3:53 pm

Hi thats just a dry gasket there should be now oil in there.it just the clutch levers.the oil seal has gone inside there.have a look here at page 29 item 34
http://www.goldwingdocs.com/Docs/Honda% ... -063B1.pdf

Barry Barker
Posts: 42
Joined: Thu Jul 12, 2012 5:21 pm
Location: Bismarck AR
Motorcycle: 1975 Honda gl1ooo

Re: rear cover oil leak

Postby Barry Barker » Sat Aug 18, 2012 6:39 pm

Thanks a bunch, the parts list will be helpful, I need to go and stare at the problem a little longer now. I didn't see the seal, Not much room in there with the swing arm and tire in place.

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scotterichmond
Posts: 613
Joined: Fri May 06, 2011 3:49 pm
Location: Marblemount,wa
Motorcycle: 1975 GL1000
[img]http://images.goldwingdocs.com/scotterichmond_32376/Modestly_restored_1975_GL1000_750/engine_repainted_even_new_embl_3919.jpg[/img]

Re: rear cover oil leak

Postby scotterichmond » Sun Aug 19, 2012 9:23 am

Pictures speak a thousand words

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Fred Camper
Posts: 1152
Joined: Sun Aug 16, 2009 9:15 pm
Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: rear cover oil leak

Postby Fred Camper » Sun Aug 19, 2012 1:02 pm

Let us know if this can be done with the engine in the frame. Some have suggested the engine must come out. The stator requires engine removal I believe.

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terryt
Posts: 97
Joined: Mon Jul 23, 2012 4:52 pm
Location: United Kingdom
Motorcycle: 1979 gl1000 trike

Re: rear cover oil leak

Postby terryt » Sun Aug 19, 2012 1:51 pm

Yes it can be done with the engine still in the frame. It will be easier if the bike was on a workbench or bike lift. Save working on knees.
Remove the clutch cable from the casing. Undo the lock nut and remove the washer. Remove the lever and spring. Now with a small spike push it into the oil seal and gently prize out the main clutch mechanism will stay in place.
Then get a socket the same diameter as the seal to help push it home once it is in place. Put back in reverse order re adjust clutch.
I have a gl1000 on the workbench so if you want some photos of the casing with the oil seal and lever just ask

Barry Barker
Posts: 42
Joined: Thu Jul 12, 2012 5:21 pm
Location: Bismarck AR
Motorcycle: 1975 Honda gl1ooo

Re: rear cover oil leak

Postby Barry Barker » Mon Aug 20, 2012 1:42 pm

Let me get the bike started and confirm the oil leak location, i will then post pictures. thanks for the reply.

Barry Barker
Posts: 42
Joined: Thu Jul 12, 2012 5:21 pm
Location: Bismarck AR
Motorcycle: 1975 Honda gl1ooo

Re: rear cover oil leak

Postby Barry Barker » Thu Aug 23, 2012 9:23 pm

once I got the oil changed and installed the correct amount, the oil leak has stopped. I think the crankcase was at least 1 1/2 quarts over full.




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