Jetting

[warriorrider13]

I was adjusting my pilot screw and was wondering how many turns I should do and if there is anyway I can tell it is too lean or too rich. Its about -3degrees C out here and plus I have a pipe.

 

[yamarider]

Start with the screw at about 2 turns out. Start the engine, and turn it out until the idle gets rough, then turn it back in until it's smooth again. That should get it adjusted pretty good.

 

[warriorrider13]

Like what sounds will it make if it lean?And Rich? I don't know what what sounds like. When I took her out for a test boot today,after letting off the throttle it would backfire.

 

[yamarider]

Popping/backfiring is lean. If you keep turning the fuel screw out and it doesn't start to idle rough you need to go up to a bigger pilot jet.

 

[warriorrider13]

okie doke