1977 barn find

A forum for stories, pics and updates of your resto's. Be it a barn find, Grampas hand me down or a bike being brought back to it's former glory.If you are restoring it, show us your stuff!

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leggman
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Re: 1977 barn find

Post #16 by leggman » Wed Jul 11, 2018 1:15 pm

Got my gaskets today ( Thanks Randall) and soon will be starting to rebuild. I have had the gas tank full of evaporust for about a week rolling it around everyday to get a different section soaking and it is now spotless inside. That stuff really works the best. I might do a vinegar flush before a water rinse then paint the outside then put it back in the frame.
The cams look like new because the bike only has 23000 original miles.
I still have to blast and paint the battery tray and of course make the intake manifold for the single carb. Lots to do but my summer classes are wrapping up this week so I will have a couple of weeks of free time before it all starts again.

leggman
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Re: 1977 barn find

Post #17 by leggman » Fri Jul 20, 2018 11:22 am

Soon I will be starting to reassemble the 77 and I have some questions.
I have seen videos where the guys paint the head gaskets with copper spray gasket stuff, Is this a good idea?
Where can I find head torque and sequence info? I don't have a manual.
Do you put a small dab of grease on the head bolt threads and heads or use never seize?
I DID get new timing belts.
Thanks for all the help so far, I will post pictures soon.

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ericheath
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Re: 1977 barn find

Post #18 by ericheath » Fri Jul 20, 2018 11:59 am

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Some guys put head gaskets on dry, some use a thin coat of Copper Coat head gasket spray. It’s in the “ oil and tires” realm.

Advice on head bolts is grease on threads and the washers. (Both sides, I think) Don’t forget to clean out the bolt threads as well. A pocket of grease in the bottom can throw your torque off and possibly do other damage. ( think hydrolocked) I use a wire brush and brake cleaner and air pressure.
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Whatever I suggest here should be given ample time for a moderator to delicately correct. I apologize in advance.
77 WING, 1200 engine with 77 heads, cams, gl1100 foot pegs, Magna V65 front end, 764A carbs, [-gone Suzuki M109 monoshock--, replaced with gl1100 shocks] gl 1200 swing arm, gl1500 final drive, wheel and rear brakes Valkyrie seat, Meanstreak tank, Sportster pipes, Power Arc ignition off crank.
77 Wing. black
83 Wing, in pieces
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robin1731
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Re: 1977 barn find

Post #19 by robin1731 » Fri Jul 20, 2018 12:17 pm

Also, torque the bolts to 45lbs-ft. There was a TSB back in the day about that.

Go to shop talk and you will find some good info about doing the head gaskets.

.
1975 GL1000 parts bike (parts for sale)
1976 Goldwing Super Sport
1985 Honda Elite
1976 KZ900 Dragbike
1992 ZX7 Dragbike (KZ900 style motor w/NOS)
and a rotation of various purchases
Randakk approved Carb Rebuilder

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Easter
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Re: 1977 barn find

Post #20 by Easter » Fri Jul 20, 2018 5:13 pm

Note that the spec given for the small bolt in the drawing Eric posted is in INCH lbs!
Bikes at present:
80 GL1100 Interstate: Now a Cafe Racer called DRAGON WING.
81 GL1100 collecting dust with about 300,000 miles, known as BLACK BEAUTY
2008 (I think) GL1800 Nice bike but as exciting as the family sedan!
76 GL1100 yes, 1100 with 1000 heads and cams, being customized
A fleet of parts bikes awaiting resuscitation or customization or abandonment :IDTS:

leggman
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Re: 1977 barn find

Post #21 by leggman » Fri Jul 20, 2018 5:20 pm

Good stuff, Thanks.

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ericheath
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Re: 1977 barn find

Post #22 by ericheath » Fri Jul 20, 2018 5:53 pm

Whatever I suggest here should be given ample time for a moderator to delicately correct. I apologize in advance.
77 WING, 1200 engine with 77 heads, cams, gl1100 foot pegs, Magna V65 front end, 764A carbs, [-gone Suzuki M109 monoshock--, replaced with gl1100 shocks] gl 1200 swing arm, gl1500 final drive, wheel and rear brakes Valkyrie seat, Meanstreak tank, Sportster pipes, Power Arc ignition off crank.
77 Wing. black
83 Wing, in pieces
"Continuing education is important even if the subject matter is fairly useless (as in this case)."---Greg Foresi

leggman
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Re: 1977 barn find

Post #23 by leggman » Thu Jul 26, 2018 5:34 pm

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I did some arthroscopic surgery today. The lower tube on my good tank was hopelessly clogged so I decided to do some bypass surgery. I got the special tool in the mail today so I cut the blocked tube in the tank with a hacksaw blade and some vise grips, then after pushing the blocked tube out of the way I came in through the sender hole with a piece of rubber line and a new strainer.
getting the clamp on was a pain and it took two tries but I was able to get it clamped.
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leggman
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Re: 1977 barn find

Post #24 by leggman » Thu Jul 26, 2018 5:35 pm

IMG_0385.JPG
One more pic
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5speed
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Re: 1977 barn find

Post #25 by 5speed » Thu Jul 26, 2018 5:54 pm

I bet you rebuild engines through the muffler too. :mrgreen:
any chance that the hose will float in the gas though?
1982 1100 std.
1976 GoldWing. running but not on the road
2002 Shadow American Classic (the boss's ride)
1983 Shadow 500. (sold)
1978 Goldwing. future cafe project.

leggman
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Re: 1977 barn find

Post #26 by leggman » Thu Jul 26, 2018 9:10 pm

I dont think so with the strainer on there

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rcmatt007
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Re: 1977 barn find

Post #27 by rcmatt007 » Fri Jul 27, 2018 9:52 am

robin1731 wrote:
leggman wrote:snip...………. Is soda blasting OK for the combustion chambers in the heads?


Yes, I use it all the time. You can clean the whole head up inside and out.

.

so that is how you got them so clean :-D
-Rodger-
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78 constantly modified/customized since 1978, BOTM June 2015 de-evolving this very moment viewtopic.php?f=30&t=65511
76 Ltd "cookies bike" not ready for prime time,
79 project, finished,
'86 1200 (Beth's) with motorvation sidecar, July 2017 BOTM
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leggman
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Re: 1977 barn find

Post #28 by leggman » Fri Jul 27, 2018 10:05 am

I used acid and water on the good tank. The red stuff is atf which I will suck out when I put gas in

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robin1731
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Re: 1977 barn find

Post #29 by robin1731 » Fri Jul 27, 2018 1:55 pm

rcmatt007 wrote:
robin1731 wrote:
leggman wrote:snip...………. Is soda blasting OK for the combustion chambers in the heads?


Yes, I use it all the time. You can clean the whole head up inside and out.

.

so that is how you got them so clean :-D


That was part of it. ;)

.
1975 GL1000 parts bike (parts for sale)
1976 Goldwing Super Sport
1985 Honda Elite
1976 KZ900 Dragbike
1992 ZX7 Dragbike (KZ900 style motor w/NOS)
and a rotation of various purchases
Randakk approved Carb Rebuilder

leggman
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Re: 1977 barn find

Post #30 by leggman » Fri Jul 27, 2018 9:45 pm

Today I installed the rear wheel and brakes along with the stock fender, then I cleaned the left side head in my blast cabinet because I was out of baking soda. I have a medium grit abrasive in there but it is old and not very coarse anymore. It got the head and the intake and exhaust ports really clean. After that I lapped the valves with an electric drill and a piece of fuel line. I also lapped the head surface with a piece of glass and some 220 sandpaper.
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Tomorrow I am putting the heads on and next week I will be making another single carb manifold.
With any luck I should have a running motorcycle by the middle of the week.
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