air fuel screw left or right

coldfusion · Post by **coldfusion** » Thu Jan 03, 2008 5:19 pm

so i tightened the screw then how many times do i untighen it to tune it and witch way give it more gas and witch way gives it more air??? thanx guys

hondaman · Post by **hondaman** » Thu Jan 03, 2008 5:32 pm

Go to the Technical documents in this forum. Click on it and scroll down. All the information you need is there.

chevyguyjay · Post by **chevyguyjay** » Thu Jan 03, 2008 9:21 pm

AMEN!

Kenny_McCormic · Post by **Kenny_McCormic** » Sat Jan 05, 2008 8:31 pm

The screws only control idle BTW. Hifg speed is controlled by taking out the throttle slide and adjusting the needle.

hondaman · Post by **hondaman** » Sun Jan 06, 2008 2:44 am

The idle screw determines the rpms of the engine at idle. The air screw controls the amont of air being allowed into the engine through the carb. These are important settings. Too much air and the engine will run too hot causing a white burnt looking sparkplug. Too little air will result in a wet looking plug because too much gas is being allowed to burn in the engine.
You really should not have to mess with that throttle needle valve setting. It is set from the factory for its best performance. Just adjusting the idle and air screws should take care of most carb performance if you know the carb is clean and jets are not blocked.