Carbon foul

[Xxraptor350riderxX]

Hey guys, so just got a new plug bc my old was shot. A couple hours of riding and I put her in the shed, next day hard to start won't idle dies when given gas. Take out the NEW spark plug, black dry and suty. My question would be why?


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[YAMAHAULER]

running too rich

 

[Warriorfreak99]

need to change your jetting most likely

 

[YAMAHAULER]

or adjust the needle clip up 1 notch
also how many turns out is the air/fuel mix screw?

 

[Xxraptor350riderxX]

I thought I might be rich, would running 93 gas have anything to do with it?


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[YAMAHAULER]

nope

 

[Warriorfreak99]

rich has nothing to do with your octane, it means there is too much gas going to the motor. It would be easiest to change your jetting that needle is a pain in the ass

 

[88WarriorBoy]

the needle is part of the jetting lol that the mid range

 

[Warriorfreak99]

i knew that *insert sarcasm*. Lol

 

[lbjamm]

Maybe clean your air filter.