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Stock Pilot jet, main jet 147.5 e-clip is on position 5 of mid throttle pin. Pilot Screw is stock 2.25 turns out. It idles fine and has good wide open throttle, like i said in the movie it only feels and sounds like crap in 1/8th-3/4 throttle. It feels like It bogs down. I know that taking the...

Okay so I put a video up on youtube for audio and visual refferences. I seem to be having some issues with the fuel delivery now. I took my stock airbox off and i am running straight UNI Filters and a 147.5 main jet and the e-clip on my mid throttle pin is all the way down on the 5 notch, making...

The stuff on my thumb is actually not stuff, we call that (in the industry) lack of focus, and being tired at work and running a .080" drill bit through your thumb, its not fun. Don't try it kids, it doesn't feel good!

IMHO I think it looks fouled with oil, a bit glossy. And considering the white smoke coming out of the motor, worn valve seals is the next thing i need to fix

I know a lot can be told from the spark plug after use. So to help you to help me, I will give you everything you need to know to help me out easier/faster So here are a few spark plug pics...

Stock Exhaust, the only things I have done to it, are mostly cosmetic, apart from the airbox being removed and running a straight UNI Carb Filter and UNI Crankcase Breather, that's it! Nothing internally has been done to the engine since I got it about 12 months ago. It feels like a 350, so...

Currently its stock jets right now, I talked to the yamaha dealership guys and they said I might have to, i might not, depending on how much air its getting. One other problem I noticed today, is it smokes white smoke when it starts but once it gets warm (operating temperature) the smoke stops...

Okay a while back, i had some issues with spark. And carb issues, all that is now taken care of, HOWEVER my quad was sitting for the last 8-10 months due to lack of funds. Now that I got it running, a new spark plug, ignition coil, stator, and voltage reg. It starts up IMMEDIATELY now!! I...

http://www.rmstator.com/en/atv/yamaha/yfm_350_warrior/all_categories.htm Everyone, I mean EVERYONE hear in Arizona uses RM Stator for electrical parts. They are excellent in price especially for high performance parts.