Look like fun to anyone else?


Information and questions on GL1100 Goldwings (1980-1983)
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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.

Look like fun to anyone else?

Post by ride dont hide » Sat Oct 13, 2018 9:47 am



Anxious to get out to the shop today to finish off the head gasket replacement. The worst part for me is to scrape, scrape, scrape...… I have all the gasket material off and half of the de-carboning finished. 100,000 miles and I have been using Shell Rotella diesel oil for the last 50,000 miles and there is still a real nice cross hatch in the cylinder walls. Used a machinist's flat table to emery cloth the heads and they are very flat and square. Not doing the valve seals as the bike never smokes at start up. Really enjoying this, good therapy!
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Rednaxs60
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Location: Victoria, British Columbia, Canada
Motorcycle: 1985 GL1200 LTD
1995 GL1500 SE CDN Edition
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Ontario 1985 GL1200 LTD (sold)

Re: Look like fun to anyone else?

Post by Rednaxs60 » Sat Oct 13, 2018 9:57 am

Doing a valve job on my '85 LTD because the leak down test indicated the exhaust valves were passing a lot of air, and the compression was down nearing 100 PSI. The exhaust valves are generally the culprit and the seats were very nasty. Here is a pic of one of #1 cylinder seats before lapping:


After lapping:


The cross hatch in the engine cylinders is still good as well.

You already have the heads off, wouldn't hurt to take a look and give the valve seats a once over.

Cheers
"When you write the story of your life, don't let anyone else hold the pen"

Ernest

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RBGERSON
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had every year from 75 to 83

Re: Look like fun to anyone else?

Post by RBGERSON » Sun Oct 14, 2018 8:32 am

And replace the valve seals while you have it apart.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

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WingAdmin
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Re: Look like fun to anyone else?

Post by WingAdmin » Sun Oct 14, 2018 9:29 pm

Nice job, it looks like you were getting a bit of leakage on that exhaust valve, so you were probably not too far away from burning exhaust valves.



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