View Full Version : flaming exhaust
ida400ex
11-11-2007, 07:52 PM
this saturday me and my buddy went riding at the st anthony sand dunes. his 05 yfz was running great all day. he has a ironman s/o and a k&n. we rode for about 3 hours and stopped to take a break. when he went to start it, it just turnred and turned but wouldent start. he let it set for about 5 min and tried again. this time about 2 feet of flames blew out of his exhaust. :eek: it fired up a minute later and ran like a chap the rest of the day. i have never herd of this happening. what would cause this. any help well apreciated.
YFZ#426
11-12-2007, 05:49 AM
could have possibly jumped time. you may have to pull the valve cover of and check the timing marks.
yfzrider45
11-12-2007, 07:58 AM
That was the coolest thing you've seen right?! This happen to my buddys 06 yfz in the state forest after we took a break to see where we were...It happend a month ago and he didnt change anything on it since so i dont think its somethin to worry about....
400exrider99
11-12-2007, 07:46 PM
i timing chain may have jumped a tooth
i've seen this happen but on a little polaris phoenix long story but i'll cut it short not because of timing but my brother accidentally put straight race gas in it 107 octane or something in a stock 200cc quad. well it shot out 1 foot flames all night, like there was almost a constant flame it was hilarious
the Z Man
11-12-2007, 09:39 PM
May have hit the throttle by mistake and dumped too much fuel in the cylinder...?
400exrider99
11-12-2007, 09:43 PM
Originally posted by FoxHondaRider
i've seen this happen but on a little polaris phoenix long story but i'll cut it short not because of timing but my brother accidentally put straight race gas in it 107 octane or something in a stock 200cc quad. well it shot out 1 foot flames all night, like there was almost a constant flame it was hilarious cant be that because, the quad ran great before the break/stop
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