Head Gasket?


Information and questions on GL1100 Goldwings (1980-1983)
  • Sponsored Links
moritz1100
Posts: 67
Joined: Fri Mar 09, 2012 10:25 am
Location: ireland
Motorcycle: 1980 GL1100

Head Gasket?

Postby moritz1100 » Thu Aug 23, 2012 12:42 pm



Need some help on this one please, symptoms are; lots of blue oily smoke on start up,worse out of left side(it's a sidecar outfit so no blaming the side stand). It uses a lot of oil. Hard to explain but I get a really bad knock/rattle when I blip the throttle from idle, sounds like it's coming from the top of the engine maybe or left side. Doesn't knock or rattle at any other times really. Today I put a compression tester on it, 150-ish-psi across all 4, good. Then I noticed coolant on top of the engine, under left side carbs, pulled false tank and looks like coolant came from the tank where the pipe back to the radiator cap joins. Looked into the tank and there's oil in the coolant. Not getting a good vibe off it, what do ye think? It's an 82 with almost 90k on it, could be 190k..
Thanks in advance!



User avatar
WingAdmin
Site Admin
Posts: 17046
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: Head Gasket?

Postby WingAdmin » Thu Aug 23, 2012 1:07 pm

I think you might have two different problems: Normally a head gasket will give you white smoke, not oily blue. So I think you've got worn/broken valve stem seals. They're reasonably easy to do with the head on, but if you've got to pull the head anyway to do a gasket, then that makes it even easier.

Sometimes the little coolant tank can get a small crack - hard to see, but it will leak coolant like you describe.

moritz1100
Posts: 67
Joined: Fri Mar 09, 2012 10:25 am
Location: ireland
Motorcycle: 1980 GL1100

Re: Head Gasket?

Postby moritz1100 » Thu Aug 23, 2012 2:14 pm

Thanks, my friend reckons it's the stem seals as well, he even happened to have a brand new oem head gasket and seals kit lying around that he kindly traded:) . I've never taken the heads off one of these, how straight forward is it? Anything tricky to watch out for? Especially when removing timing belts and pulleys,do I have to mark positions? Shouldn't be too bad a job I think.. Btw, how do bad stem seals end up causing my symptoms?

User avatar
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: Head Gasket?

Postby scotterichmond » Thu Aug 23, 2012 2:28 pm

the seals help stop oil from being sucked down the stems.

moritz1100
Posts: 67
Joined: Fri Mar 09, 2012 10:25 am
Location: ireland
Motorcycle: 1980 GL1100

Re: Head Gasket?

Postby moritz1100 » Thu Aug 23, 2012 2:53 pm

Yup, but what's causing the knocking?

User avatar
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: Head Gasket?

Postby scotterichmond » Thu Aug 23, 2012 2:57 pm

knocking? no blue smoke yes.

moritz1100
Posts: 67
Joined: Fri Mar 09, 2012 10:25 am
Location: ireland
Motorcycle: 1980 GL1100

Re: Head Gasket?

Postby moritz1100 » Thu Aug 23, 2012 3:32 pm

The thing is, there's another 11 for sale, not too far from me, with 62k on it, bit of a service history, nice smooth engine and box and probably a few other bits i could do with. I think the guy will let it go for a grand. I'm wondering if I might be better off just going with that and swapping engines before I go down the road of rebuilding mine and spend close to the same amount. Bit of history on mine, I got it as a non-runner, left cylinders full of water, broken starter, etc. etc., it was parked uncovered in the p/o's garden for over a year without being used.. Took some work to get it going. It's still got that grating noise from the block when accelerating hard and it wont go into neutral when it's warm and that knock from blipping the throttle won't go away if I do the heads will it?. Could maybe sell some parts I don't need on ebay to recoup some of the money if I bought the donor, there's a lot of gl11 parts for sale though.. Donor bike would be handy to have lying around..
If it was you, what would you do?

User avatar
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: Head Gasket?

Postby scotterichmond » Thu Aug 23, 2012 3:44 pm

if the price is right , that might be a good way to go, remembering it is not new either.

User avatar
thrasherg
Posts: 1837
Joined: Tue Oct 20, 2009 11:21 am
Location: Plano, TX
Motorcycle: 2004 GL1800, 2005 Honda Shadow 750, 2008 Yamaha R6 with RG500 engine, CRF450X, CRF230, CRF250X, XR200, CR500

Re: Head Gasket?

Postby thrasherg » Thu Aug 23, 2012 3:45 pm

Go for the donor bike, based on the history of your engine I would get the other bike, swap engines and keep yours for parts..

Gary




Return to “GL1100 Information & Questions”




Who is online

Users browsing this forum: Google [Bot] and 5 guests