head gasket help!


Information and questions on GL1100 Goldwings (1980-1983)
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1fastgl1100
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head gasket help!

Postby 1fastgl1100 » Sun Nov 30, 2014 5:00 am



Twice in last year the head gasket failed on #1 cyl (first time) and now on cyl #3. I am replacing with a new honda head gasket after first cleaning head and block of "all" old gasket.
Book says not to use any sealant but I am wondering if I should not use something to help gasket seal so this does not happpen again?
other head gasket was replaced and is working perfectly.



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RBGERSON
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had every year from 75 to 83

Re: head gasket help!

Postby RBGERSON » Sun Nov 30, 2014 5:42 am

Did check to make sure the head or engine surface is flat? You may need to resurface either or both??
HAD LOTS OF GOLDWING 75-83
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HawkeyeGL1200
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Re: head gasket help!

Postby HawkeyeGL1200 » Sun Nov 30, 2014 11:12 am

That is exactly the first thing that came to my mind. Flatness of the two surfaces is definitely one of the most important attributes that has to be ensured for successful sealing of the head gasket. Proper gasket selection and proper torque (tensioning or stretching of the fasteners) would be next in my mind... also ensuring any hot torque requirements are met.

RBGERSON wrote:Did check to make sure the head or engine surface is flat? You may need to resurface either or both??
I am wrong as often as I am right concerning what is wrong with someone else' motorcycle without having seen the machine in person. Guessing with limited information, as to the source of the trouble, is sketchy at best.

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WingAdmin
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Re: head gasket help!

Postby WingAdmin » Sun Nov 30, 2014 11:26 am

As long as both the block and the head are flat, no sealant is needed (or should be used) - the gasket itself will seal perfectly. Using sealant to try to overcome a warped head or block is a band-aid that will fail.

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RoadRogue
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Re: head gasket help!

Postby RoadRogue » Sun Nov 30, 2014 6:15 pm

heres a quick way to check if your head is flat 8-)
viewtopic.php?f=11&t=13935
Ride safe, Todd
Over night campers welcome

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1fastgl1100
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Re: head gasket help!

Postby 1fastgl1100 » Mon Dec 01, 2014 7:41 am

measured head and block for trueness and both are within .0001 so that shows both head and block are flat and true. head gasket has 3 hole (about size of a large needle) and 2 small pin holes all located right around #3 cyl but between both cyls.
someone has said it could be microbial from water being used and to flush system and use premixed coolant once new headgasket is installed...
also torque wrench is low quality so it may be possible I did not get the proper torque. I am going to use a much better torque wrench this time around.

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HawkeyeGL1200
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Re: head gasket help!

Postby HawkeyeGL1200 » Mon Dec 01, 2014 8:16 am

If the surfaces are too smooth, there can be difficulty with the gasket joint maintenance as well. I do not know what finish the surfaces should be, but you may want to scuff them up a little bit with some FINE emory cloth wrapped around a flat piece of fairly thick metal (of course the piece of metal would need to be flat). Best I can find says the gasket surface should be about 30 RMS finish, which sounds a LITTLE rough to me. If you do some research it could help your gaskets hold better than previous gaskets. Of course, this may have nothing to do with why your gasket did not hold.

1fastgl1100 wrote:measured head and block for trueness and both are within .0001 so that shows both head and block are flat and true. head gasket has 3 hole (about size of a large needle) and 2 small pin holes all located right around #3 cyl but between both cyls.
someone has said it could be microbial from water being used and to flush system and use premixed coolant once new headgasket is installed...
also torque wrench is low quality so it may be possible I did not get the proper torque. I am going to use a much better torque wrench this time around.
I am wrong as often as I am right concerning what is wrong with someone else' motorcycle without having seen the machine in person. Guessing with limited information, as to the source of the trouble, is sketchy at best.

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Johnyy Smoke
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Re: head gasket help!

Postby Johnyy Smoke » Thu Dec 04, 2014 5:39 am

Make sure you retighten head after running for 1 heat cycle. Let it cool overnight and retighten. Regards, Johnny

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1fastgl1100
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Re: head gasket help!

Postby 1fastgl1100 » Thu Dec 04, 2014 5:46 am

Johnyy Smoke wrote:Make sure you retighten head after running for 1 heat cycle. Let it cool overnight and retighten. Regards, Johnny



I will need to remember that... Thanks

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1fastgl1100
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Re: head gasket help!

Postby 1fastgl1100 » Fri Dec 05, 2014 12:51 pm

I cleaned head and block and scuffed the surfaces with 220 grit paper. I measued both the head and block for level. I installed a new head gasket and tightened the bolts to 40 psi torque using a good qualty torque wrench.
Engine starts and runs great but oil is leaking from top of head (thru headgasket by top cener bolt)
I detorqued and removed head and gasket everything still looks good yet I have to find out what I can do about the leak and getting gasket to seal.
Headgasket purchased from Saber Cycle for a GL1100.

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RoadRogue
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Re: head gasket help!

Postby RoadRogue » Fri Dec 05, 2014 1:40 pm

1fastgl1100 wrote: Headgasket purchased from Saber Cycle for a GL1100.


Well there is your problem! Everybody has issues with SaberCycle. Buy OEM head gaskets 8-)
Ride safe, Todd
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WingAdmin
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Re: head gasket help!

Postby WingAdmin » Fri Dec 05, 2014 3:06 pm

1fastgl1100 wrote:Headgasket purchased from Saber Cycle for a GL1100.


100% that's your problem. Saber Cycle gaskets are known to be paper-thin garbage, and you're now realizing why we warn everybody away from buying any products from them. Not only are their products absolute junk, their customer service is amongst the worst of any company, anywhere, period. If you would like to experience some of that "friendly" customer service, I suggest you send an email to Saber Cycle telling them that their gasket was defective because it leaked right away. Be prepared however, you will not receive a polite response. :)

Have a read through the stories here, perhaps add your own: http://goldwingdocs.com/Vendors/Saber-Cycle_880

Incidentally, you should count yourself lucky that the Saber Cycle gasket failed right away. Most people put them on and get 100 miles from home before the gasket fails.

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1fastgl1100
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Re: head gasket help!

Postby 1fastgl1100 » Sun Dec 07, 2014 4:11 pm

WingAdmin wrote:
1fastgl1100 wrote:Headgasket purchased from Saber Cycle for a GL1100.


100% that's your problem. Saber Cycle gaskets are known to be paper-thin garbage, and you're now realizing why we warn everybody away from buying any products from them. Not only are their products absolute junk, their customer service is amongst the worst of any company, anywhere, period. If you would like to experience some of that "friendly" customer service, I suggest you send an email to Saber Cycle telling them that their gasket was defective because it leaked right away. Be prepared however, you will not receive a polite response. :)

Have a read through the stories here, perhaps add your own: http://goldwingdocs.com/Vendors/Saber-Cycle_880

Incidentally, you should count yourself lucky that the Saber Cycle gasket failed right away. Most people put them on and get 100 miles from home before the gasket fails.



Tried to save some money, but learned a lesson. I measured gasket from aber Cycle and the one I took off the bike. low and behold the one from Saber Cycle is .005 inch thinner...
Lesson learned!




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