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jonny-rock
Guest
how exactly do you adjust float needle?can i simply bens the float arms all the same or do i need to remove floats? never worked on carbs before so all the help is welcome.
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doctorgonzo
Guest
Basscliff has a carb rebuild guide on his web site (search for Basscliff). It has the manual photos I think. You measure the height, and bend a tab to set it.
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jonny-rock
Guest
awesome thaks, do i want a higher or lower float height
Last edited:
twr1776
Forum Mentor
My first question would be, what year and model bike do you have?
Second question are you trying to adjust the carb floats or jet needles?
Third question, why do you want or need to adjust the carbs?
You will probably get more responses in the tech section but more info would also be very helpful.
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jonny-rock
Guest
i have an 80 gs850. need to richen up the mix for straight pipes and k&n going on. got new 130 mains, read i could adjust the floats to richen it.
G
Guest
Guest
Set the float to 22.4 +or-1mm without the gasket installed.
Richen the engine with jets and adjustable needle jets.
Richen the engine with jets and adjustable needle jets.
twr1776
Forum Mentor
As the Doctor mentioned the info is on BassCliffs website. If you are doing pods and the pipe the Dyno kits are what most people use.
http://members.dslextreme.com/users/bikecliff/images/carbspec_float_height.html
http://members.dslextreme.com/users/bikecliff/images/carbspec_float_height.html
Steve
GS Whisperer
I will second Chef's suggestion: set the float level to STOCK, adjust your mixture with the jets, not the float level.
Depending on the flow level of your "straight" pipes, the 130s might not be large enough, but the only way to really tell is to do plug chops. Basically, you hold the throttle in certain positions for a length of time (time depends on which circuit you are checking), then cut the engine with the kill switch, coast to a stop, pull the plugs and read the colors. This is best done on a dyno, but can be done on the street, too.
Besides your main jets, you will also need to check the needle adjustment and the pilot circuit, so it's best to have the float level set to a known point for a good baseline.
.
Depending on the flow level of your "straight" pipes, the 130s might not be large enough, but the only way to really tell is to do plug chops. Basically, you hold the throttle in certain positions for a length of time (time depends on which circuit you are checking), then cut the engine with the kill switch, coast to a stop, pull the plugs and read the colors. This is best done on a dyno, but can be done on the street, too.
Besides your main jets, you will also need to check the needle adjustment and the pilot circuit, so it's best to have the float level set to a known point for a good baseline.
.