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On my '79 850, #1 plug is getting sooty black. Would air leak from a bad boot cause it?
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Dee Durant '83 750es (Overly molested...) '88 gl1500 (Yep, a wing...) -
No..if air leaks it tends to run lean which would be an ash grey..like used charcoal colors.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. -
Oh yeah, i got it backwards don't i. Guess i gots to pull the carbs and figure it out. Ignition is new dyna set-up. Seems to run alright, wonder if maybe it's a bad choke plunger?Dee Durant '83 750es (Overly molested...) '88 gl1500 (Yep, a wing...)Comment
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Could be a bad "choke" plunger.
Could be a "choke" plunger that is not fully closed (make sure the lifting fork is turned the same direction as all the others).
Could be a pilot fuel screw adjustment.
Could be a pilot air screw adjustment.
Try swapping plugs between #1 and #2 to see if the plug might be the problem.
If #1 still soots up, try swapping plug leads between #1 and #4.
.Last edited by Steve; 04-22-2015, 05:40 PM.sigpic
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
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(Click on my username in the upper-left corner for e-mail info.)Comment
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Shiny black = oil
flat black = gas1983 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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