Exhaust Question

PROFLYER

SWOLE
So how do you know if someone screwed it up. If I replace the carb is a new super g a plug & play kinda thing?
It's a screw with a needle on the end basically. It's brass so it's a bit fragile
. I'm not sure how you'd mess it up, but you can go ahead and turn it all the way out and inspect it. If I remember correctly when you turn the screw in, it makes the idle mix richer--maybe that's flooding it. I'm not sure how it's not killing the motor though, as mine (and every one I've adjusted) is pretty sensitive. The bike was running fine before you added the baffles, correct? You've done the opposite of what a lot of guys do, so maybe search the changes guys need to make when removing the baffles and you can reverse engineer how your setting should be. Do you know what jets you're running? Get the bike running, shut the fuel off, run it till it quits then take your carb apart and investigate your jets. You're very close I'm sure. I've spent a lot of time riding from CO (where I need less fuel) to the coasts and lower elevations and all I've ever had to do is adjust my idle mix. Once it's there jet wise, your idle mix is it generally. Sometimes some accel pump, but generally just idle mix.
 

Spikes05

Member
Well that idle mixture screw is easily damaged if someone turned it too hard. The damage is to the pump body and makes it so that doesn't really work anymore.

XXX carburetors actually has a service just for fixing that issue.



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Before I sent it to xxx carbs I would try installing a new idle mixture screw.


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