alright i need help, everyone read, even the people with 400s

[300EXrider02]

alright i got a 300 with a full yoshi comp sytem, filter, and 3 uni air lid airfilters.....(they plug right into the holes in your air lid) anyway i wanna know if i am generaly riding fat or lean of good, i am at 500ft. have a 124 main, and 4th clip down..the engine seems to be running good, but i burnt one of my valves earlier, and i jsut dont want to be making another mistake like that and lose my piston...also should i jet fatter in the winter? i hate jetting my carb

[300EXrider02]

o ya i have an outerwear to...which i should take off since i have the uni air lid thingys anyway...damn, and the yoshi pipe has a silencer in it, the hole is about 1/4 smaller, if that helps

[outlaw319]

sounds like you could go a little fatter! Especially for winter!
your needle position sounds alright! but i would try going to a 128 main if i was you! it might not be fat enough but close with your mods, but i dont know about the elevation and stuff where you live.

[300EXrider02]

anyone else?