Where is the air fuel mixture screw?
#2
Off riding sportbikes!
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if you look at your engine from the driver side, than look down near the base of the carb, there is a little screw down there. I hturned mine to about 3 1/2 turns out from all the way down. tinda tinkerd between 3 and 4 turns, found were it felt the best.
#5
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Originally posted by MIKE-P-28
I beleive that is IDLE mixture, dont tink it adjust anything but the idle right guys? Not sure there?
I beleive that is IDLE mixture, dont tink it adjust anything but the idle right guys? Not sure there?
Jeff
#7
Hunting Skylines
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Originally posted by 851stgen12a
what?! than were is the air/fuel screw!?!?!! no wonder it isnt really helping in the top end!?!?!?! Damn
what?! than were is the air/fuel screw!?!?!! no wonder it isnt really helping in the top end!?!?!?! Damn
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#16
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Originally posted by 851stgen12a
LOL what the hell is it?
I was wondering how something that far down from the carb could adjust the air/fuel mixture....
LOL what the hell is it?
I was wondering how something that far down from the carb could adjust the air/fuel mixture....
#18
it will pull off if you can get a pair of waterpump pliers or regular pliers down there. PITA. I think it got mine off when the carb was out though.
So is this the screw that goes 3 1/2 turns out?
What about the other flatter screw located below the accel. pump? Is there an ideal or stock position for that one too?
So is this the screw that goes 3 1/2 turns out?
What about the other flatter screw located below the accel. pump? Is there an ideal or stock position for that one too?
#22
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Still no word on this mysterious A/F screw? I've having problems now too with my car running VERY rich. My exhaust is pretty dark and I'm getting about 100-120 miles to a FULL TANK OF GAS WHICH IS NOT GOOD FOR ME OR MY WALLET! ....so, I help or a picture is appreciated. My bro has my haynes, so don't tell me to look in that.
Help is appreciated, also I apologize if I revive other carb related threads that are long dead. heh
Help is appreciated, also I apologize if I revive other carb related threads that are long dead. heh
#24
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Yep, you found it. Is that the stupidest place to put an idle adjust or what? Even with a long screwdriver it's hard to get to and then your hand gets burned by the oil filter.
After hours of discovery and practice, I'm just getting to the point where I can adjust the thing in a reasonable amount of time, but it takes a lot of patience and very good hands to feel the screw head without being able to see it.
Of course, I've still got the rat's nest, reason enough, I suppose, to get rid of it.
Ray
After hours of discovery and practice, I'm just getting to the point where I can adjust the thing in a reasonable amount of time, but it takes a lot of patience and very good hands to feel the screw head without being able to see it.
Of course, I've still got the rat's nest, reason enough, I suppose, to get rid of it.
Ray
#25
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The idle screw isn't too hard to see, that's right there, sticking out and easy to get to with a long screwdriver. The Mixture on the other hand is hidden deeper underneath the brackets on the right (closer to the firewall) And all those vacuum lines are a pain to work around. Anyone have any suggestions on what to use to make it easier to adjust.
My car is running so rich is ridiculous. Rough start up when cold and the exhaust is darker than what I think it should be and I am going through a 16 gallon tank of gas in about 110 miles.
My car is running so rich is ridiculous. Rough start up when cold and the exhaust is darker than what I think it should be and I am going through a 16 gallon tank of gas in about 110 miles.