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bigal74848
11-15-2006, 07:00 PM
I have an 06 YFZ450 SE. I've had it for about three weeks. I have the red exhust pipe as mention in a previous post. One thing I've noticed when I've been riding it when its been cooler (40's) is that when I shut it off I have a small back fire out the exhust. Not real loud just enough that you here it. I guess I'm a little concerned that the two issues may be related. Any ideas from you experts.

tks
Big Al...

yfz450les
11-18-2006, 10:00 PM
that is the gas that hasnt been burned and wat size pilot jet do you have?