View Full Version : blowing a lil black smoke
Quad Dude
04-06-2009, 04:39 PM
ok i have an 04 450r and noticed that she blows black smoke when i rev it up. is this from being jetted a lil too rich? it dont burn any oil??
Drewltr450
04-06-2009, 06:48 PM
yea sounds rich if it was oil it would be blue
chevys&honda$
04-06-2009, 09:31 PM
x2 rich!!
hardkoratvmxr
04-06-2009, 09:35 PM
need a little more info. is it just on startup? all the time?
if at startup when cold i wouldnt change any jetting if that is the only time it is doing it
all the time it iis just rich and a simple main jet or even air screw adjustment is needed
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