dunerunner36

well i'm stumped my bike runs rich and missfires on right cylinder when cold, soon as i start riding and engine is up to temp the bike runs perfect. i checked cold compression its at 120 - the cylinders are bored .020 other than that the engine is stock. its got fmf fatys in box kn 27.5 pilot, 280 main, lifted the needles one spot from middle