Carburetor Spitting Gas Motorcycle

Backfiring as the throttle is closed primarily during coast-downs Lurching acceleration.

Carburetor spitting gas motorcycle. There a few common issues that pop up with motorcycles that have carbs. If gas is flowing with the engine off the petcock has failed. Bring piston to TDC on compression and line up the rotormagnet with the electronic pickup.

White or light gray spark plugs. I would Check the Basics remove the float bowl and make sure the Gap between the end of the brass float to the Flat of the Body is 316 you can use a drill bit for this also that the float is not hanginf up if this fails I would remove the carb pull the flat pin float spring and float drop out the float needle and look at the tip of this needle with a magnifier if the VITON tip is indented or appears swelled you may not be sealing off the gas. When a motorcycle is running lean that means theres too much air and not enough fuel in the airfuel mixture during the combustion process.

And if the valve on the tank discharge is a vacuum one change out that hose. This is really drivin me nuts so any help would be appreciated. I would suspect an intake valve is.

That explains why my Air filter was gas soaked. I asssume that this is an air leak somewhere but cant seem to find it. So obviously the motor is running way to rich.

Haveing carb fartsspitting and backfire from. Carb spitting fuel - YouTube. If the engine is spitting fuel out of the carb there is a reason that pressure is blowing OUT of the carb.

Anyone know how to keep my 1978 gs550 mikunis from spitting gas out the overflows when the bike is at idle or when I have just come down off the throttle. The main function of a carburetor on a motorcycle is mixing the appropriate amount of air and fuel the engine needs to run properly. None of the other Carbs are spitting gas.