This is the fuel level on my '79 GS850 with engine off. Is it too high? Where should it be?
fuel level.jpg
fuel level.jpg
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2 to 3MM BELOW the seam where the bowl and carb body meet.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. -
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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The measurement should be done with the engine idling, it will be slightly lower than when the engine is not running.1978 GS1085.
Just remember, an opinion without 3.14 is just an onion!Comment
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NO. Look at he carb and the line the body makes going over the bowl is the seam youre looking at. With the engine off the fuel will be 2 to 3MM BELOW that seam. As mentioned about the bike running...I ( and many others ) have noted the difference is not of any consequence really. I use the non running bike level and move on. See the 850 service manual in the link I posted and it has pictures in the fuel sections.
Page 9-9 here, figure 9-25
Last edited by chuck hahn; 06-24-2019, 09:22 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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Some great info there, Chuck. My fuel level is way too high so will adjust.
I have my carbs mounted on a stand so that they are level front to back and side to side...is this good for doing these measurements?
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should be perfectMY 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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My fuel level is now 2 to 3mm below the bowl/carb junction. While I had the carbs out, I put the pilot fuel screws at 3/4 turns from bottom (I had them at about 1 turns
). Bike now runs much better than before. I could tune each carb with the pilot air screws and it reacts more the way I expected it should.
Big thanks to Chuck.Comment
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