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Hey guys. I am in the middle of rebuilding a 77 gs750 and I had the motor apart. In the middle of all of this i was moving and while the parts sat, the cylinder walls rusted on me. I dont know what to do. I'm afraid that I ruined it. Can anyone help me with advice please. Anything would help. Thank you.
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Well, since you said "anything would help".. And since I'd suspect other stuff is rusted to add to your fun, maybe consider this 79 parts bike in Boston...has title . Not a bad drive and it's always nice to have surplus parts.
1981 gs650L
"We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin -
What kind of rust are you meaning?
A light coating? Pfft... just lightly hone it and good to go.---- Dave
Only a dog knows why a motorcyclist sticks his head out of a car windowComment
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Run a bottle brush hone through the cylinders and then judge if there is any rust remaining. If there is, you need OS pistons or a new cylinder.Ed
To measure is to know.
Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182
Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846
Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf
KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-ResurrectionComment
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i suspect a light hone will clean it up, too. pics would help....1983 GS 1100 ESD :DComment
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I honed it out but there are a few rust stains. Is there any type of cleaner to get rid of those? I'll put pictures up as soon as I can.Comment
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Stains arent anything. What you dont want is scratches or grooves of any kind. If you take a sewing needle, or something with a bit of an edge, across the area ( lightly ) and you cant feel it snag your OK.
EDIT...least not any scratches heavier than what you would get with a hone.Last edited by chuck hahn; 07-26-2019, 08:54 AM.MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550
NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.
I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.Comment
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Hone it and build it. Worse thing that can happen is a wasted gasket set and rings.Comment
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When you consider the number of sadly neglected and started up bikes (and cars) that must have had some measure of rust in the bores before they were got going again, that went on to run for many more thousands of miles...
Of course, if the corrosion was bad enough, that would make itself known too, but a light coating isn't anything to worry about - it's not a race engine.---- Dave
Only a dog knows why a motorcyclist sticks his head out of a car windowComment
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