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Those headbolts that are kind of under the sparkplug on the #1 and 4# cylinders can oil leak out of those? 
The small ones on the ends.
The small ones on the ends.
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[SIGPIC1980 GS1000E
Yamaharley Roadstar Silverado.2008sigpic -
On the 8V engines, the studs at the outer corners (the ones capped by acorn nuts) do act as oil passages.
There are (or should be) copper washers under the acorn nuts that seal these passages.1983 GS850G, Cosmos Blue.
2005 KLR685, Aztec Pink - Turd II.3, the ReReReTurdening
2015 Yamaha FJ-09, Magma Red Power Corrupts...
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I think he's asking about that little 6mm bolt, out on the end of the head.
Yes, there is a possibility it could leak there. There's not a whole lot of clamping force there, but it does keep the end of the head from lifting.
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mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
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Yes the 6mm
Yes the 6mm. I saw oil on the airbox and thats the only place it looked like it could be from. I think I had too short of bolt in there. When I removed them the threads came out stuck to about the first 5 threads on the bolt. I took them all loose and put longer 6mm bolts in then retorqued the head.[SIGPIC1980 GS1000E
Yamaharley Roadstar Silverado.2008sigpicComment
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If the holes strip out completely, check to see if there is room under the bolt for a nut.
You might be able to just use a much longer bolt and nut, just sandwiching the joint.
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mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)Comment
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The holes
The 6mm holes didn't seem completly stripped out, I cranked them down close as I could to 6.5LB. I'll ride it to work today and see if it still leaks.
[SIGPIC1980 GS1000E
Yamaharley Roadstar Silverado.2008sigpicComment
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OK, just giving you an option.
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mine: 2000 Honda GoldWing GL1500SE and 1980 GS850G'K' "Junior"
hers: 1982 GS850GL - "Angel" and 1969 Suzuki T250 Scrambler
#1 son: 1986 Yamaha Venture Royale 1300 and 1982 GS650GL "Rat Bagger"
#2 son: 1980 GS1000G
Family Portrait
Siblings and Spouses
Mom's first ride
Want a copy of my valve adjust spreadsheet for your 2-valve per cylinder engine? Send me an e-mail request (not a PM)
(Click on my username in the upper-left corner for e-mail info.)Comment
-
I use permatex thread sealer on those because yes they can leak.1983 GS 1100E w/ 1230 kit, .340 lift Web Cams, Ape heavy duty valve springs, 83 1100 head with 1.5mm oversized SS intake valves, 1150 crank, Vance and Hines 1150 SuperHub, Star Racing high volume oil pump gears, 36mm carebs Dynojet stage 3 jet kit, Posplayr's SSPB, Progressive rear shocks and fork springs, Dyna 2000, Dynatek green coils and Vance & Hines 4-1 exhaust.
1985 GS1150ES stock with 85 Red E bodywork.
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