Blown head gasket


Information and questions on GL1100 Goldwings (1980-1983)
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Chewy
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Location: Readyville, TN United States
Motorcycle: 1980 1100i Interstate
1983 1100a Aspencade

Blown head gasket

Post by Chewy »



All the normal symptoms running hotter than should, coolant burping out of the excess line, sweet white smoke coming out of the right tailpipe. What is the best way to tackle this issue?
This set is on ebay, sold by 4into1motorcycleparts. Anyone had any dealings with this seller?
https://www.ebay.com/itm/Top-End-Gasket ... 7149!US!-1


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DenverWinger
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Re: Blown head gasket

Post by DenverWinger »

The general consensus on the site is Don't Scrimp on head gaskets, get OEM.
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

I saw in a post that someone mentioned an Athena gasket set, but don't want to spend that much right now. Plus, I've seen ratings that say some of the Athena kits, aren't real Athena kits. Was hoping someone here would have a line on a good kit.
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DenverWinger
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Past rides
1972 CL350 (1980-1988) sold
1978 Suzuki GS550 (1985-2005) sold
1977 GL1000 (2002-2006) sold

Re: Blown head gasket

Post by DenverWinger »

Unless you have other leaks you can usually get away with just head gaskets. I found suitable o-rings for coolant tubes at ACE hardware (mine were bad - take tube with you for fitment). If the little o-rings on the oil restrictor between the head and block need replacement I'd get OEM for those, have to fit just right. In short, this job usually doesn't need a full top-end kit...
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark
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ride dont hide
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Location: Keithsburg Il.
Motorcycle: 83 GL 1100 80 CB 750K 68 BSA Royal Star 69 BSA Firebird 69 Triumph Chopper 60 BMW R26 and more.

Re: Blown head gasket

Post by ride dont hide »

I used Athena on the last head gasket replacement. After 15,000 miles (so far) no leaks or problems. They fit nicely with no surprises. I also CAREFULLY scraped the carbon off the piston tops but left the carbon ring in the bore alone. Man I love scraping carbon....NOT!
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DenverWinger
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1972 CL350 (1980-1988) sold
1978 Suzuki GS550 (1985-2005) sold
1977 GL1000 (2002-2006) sold

Re: Blown head gasket

Post by DenverWinger »

I've never bothered to scrape carbon... Not worth the effort. ...And the engine will just make more anyway :lol:
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

ride dont hide wrote: Sun Jun 16, 2019 8:39 am I used Athena on the last head gasket replacement. After 15,000 miles (so far) no leaks or problems. They fit nicely with no surprises. I also CAREFULLY scraped the carbon off the piston tops but left the carbon ring in the bore alone. Man I love scraping carbon....NOT!
Can you post the link for it?
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

Pulled the head and was surprised to see this.
The Mark's were on both cylinder heads, top and bottom.
Should I be concerned?
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

I scratched off a little carbon.
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

ride dont hide, i see that yours has the same markings.
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DenverWinger
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1972 CL350 (1980-1988) sold
1978 Suzuki GS550 (1985-2005) sold
1977 GL1000 (2002-2006) sold

Re: Blown head gasket

Post by DenverWinger »

Those are actually machined into the pistons for a little extra valve clearance. The valve open while piston is very close to TDC thus an 'Interference' engine.
♫ 99 Little Bugs in the Code, ♪
♪ 99 Bugs in the Code. ♫ :(
♫ Take one down, Patch it around, ♪
♫ 127 Little Bugs in the Code. ♫ ♪ :shock:

~Mark
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

Oh, ok. Now I'm just waiting for the gasket to get here. Used the local Sloan's dealer, cost was 110 bucks

1. head gasket. $58
2. The 2 o-rings for the oil restrictor $9
3. Thermostat $29
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

Got the parts in, got the head back from the machinist. Went toi work in the block and got it pretty clean. Except this, the stuff that looks like varnish. Is there anything I can use, that doesn't damage aluminum, that will make it easier to get this stuff off?
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

Something else. The timing belt only has about 100 miles on it. Can I reuse it, or do I need to get a new one? I read somewhere never to reuse a belt, point blank.
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dingdong
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Re: Blown head gasket

Post by dingdong »

With only 100 miles on them they are still new. Absolutely no reason not to re-use them.
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

Any ideas for how to remove the varnish looking stuff? The block is level, so I doubt want to use the sandpaper and glass to remove it.
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ride dont hide
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Re: Blown head gasket

Post by ride dont hide »

I personally would not get sand paper anywhere near an open cylinder either. What I did was use new razor blades and carefully scraped every mating surface till clean. Yes it was labor intensive but effective. It is easy to nick the mating surface if you strong arm and rush it. (p.s.- I have been off the computer for a few days so sorry for the non reply).
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Rambozo
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Re: Blown head gasket

Post by Rambozo »

Plus one on the razor blades. They make great scrapers and are extremely flat, unlike utility knife blades.
One scary thing, be 1000% sure you get all those blue towels out of the water jackets, or you will have a very short lived repair.
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

Looks like I get to have fun with razor blades. I have already pulled all the towels out and made sure there was nothing left. Hopefully, I'll have it back together this weekend.
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dingdong
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Re: Blown head gasket

Post by dingdong »

I recently used this gasket remover. Works great. :cry: Bought it at WalMart.
https://www.walmart.com/ip/Gasket-Remov ... 1gEALw_wcB
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WingAdmin
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Re: Blown head gasket

Post by WingAdmin »

I've used the same stuff, I ended up having to leave it on a lot longer than the instructions said in order for it to work properly.

https://www.amazon.com/Permatex-Gasket- ... ref=sr_1_4
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dingdong
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Re: Blown head gasket

Post by dingdong »

WingAdmin wrote: Fri Jun 21, 2019 9:53 am I've used the same stuff, I ended up having to leave it on a lot longer than the instructions said in order for it to work properly.

https://www.amazon.com/Permatex-Gasket- ... ref=sr_1_4
Same here when removing actual gasket material but for just removing residue it dissolves it pretty fast.
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

I'm about to get off work so I'm gonna go try it.
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

used the permatex stuff. it worked, but not as good as i was hoping. still a little residue left.

nevertheless, i put the new gasket on. put on the timing belt, and rotated the engine several times by hand. no binding. should i do a compression test just to see the numbers? or, do you guys think i am good to bolt it all up and start it?

ive had a rough day, and 2nd, 3rd and 4th guessing myself right now.
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Chewy
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1983 1100a Aspencade

Re: Blown head gasket

Post by Chewy »

Got the gasket on, and the bike back together. Ran it for about 20 minutes in the driveway to warm it up and check for leaks, didnt have any. Tank cover off, I rode 40ish miles, 15 of that on the highway doing 80. no leaks. I still have the rythmic knock at low rpm, goes completely away past 1800 rpm or so. My question about that is: I havent done the carb sync yet. When I do, wil that likely fix the low end knock?


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