I have a 2006 yamaha blaster i have a full fmf fatty with a powercore 2 with uni air filter with stocke jetting and it doesnt run well why ?
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Do not start the engine again until you have jetted for your mods.
list your full mods and someone can come up with jetting advice.
With the mods already stated you are looking at a #280 - #290 main jet.
I have an old tank of gas and its been parked all winter i have an old plug to so i should change the plug and put new gas ? When i take my plug its black and all wet what does that meanyou need all the carb parts,also check to see if your tors is malfunctioning,no air leaks fresh plugs fresh gas,clean air filter,or try to take lid off to see if it help ,unscrew gas cap to see if it is breathing properly ,compression test?...ect.. also you need to jet it properly
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It runned good for a bit then I Killed the engine and its not running well since then why ?i would if you got issues....if it sat all winter you need to clean your carb...pilot jet will be clogged..more then likely.
Yeah can you inbox me ?what is the exact problem,,killed engine?? do you mean you shut it off?