Crossfire 7 sputtering and boging - HCS Snowmobile Forums

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Old 02-03-2012, 04:54 PM   #1 (permalink)
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Default Crossfire 7 sputtering and boging

My 06 crossfire 7 was working perfectly when this happened. was riding along and noticed my sled sounded different... when i started feeding the gas to it it was sputtering and nearly bogging out on times. Its sputtering n bogging all the way to full throttle, absolutely no power and only reving to about 6700 rpms. Went home and put new plugs in and checked/cleaned power valves. I tried running it again and its still the same! Anyone have any idea whats wrong? Ive never had a problem like this before with this machine, its only 2500 miles on it.
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Old 02-03-2012, 05:02 PM   #2 (permalink)
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Blown gasket??
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Old 02-04-2012, 06:56 AM   #3 (permalink)
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what was the color of the removeds plugs!??
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Old 02-04-2012, 05:59 PM   #4 (permalink)
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plug on the magneto side was fine, a brown color,. the plug on the clutch side was fouled, black and really wet. But the sled is not showing any codes? I tried new fuel with gas line antifreeze and still no go... sled idels fine but as soon as u give it throttle it sputters. Sometimes when i put it at WOT it cleares up for a sec but becomes bogey n sputterey again. I dunno whats wrong?
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Old 02-05-2012, 11:26 PM   #5 (permalink)
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My 1000 did the same thing the other night now it wont start. Maybe check the TPS sensor, theres instructions on this site on how to test it. Either that or your fuel pump may be shot?
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Old 02-06-2012, 07:15 AM   #6 (permalink)
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ignition coil? ignition wires?
check if you have a good spark with a spark tester, compare two sides
if you have good spark then
you can check cyl compression compare two sides,
if good inspect reed valve!?!?
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Old 02-06-2012, 12:15 PM   #7 (permalink)
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Yeah speed freak but its not flashing any codes for the TPS sensor, Yes i gotta check the fuel pump but ya think that it would affect both plugs wouldn ya? I dunno man, I knows im pissed offf with this.
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Old 02-06-2012, 12:18 PM   #8 (permalink)
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Quote:
Originally Posted by bostssgt View Post
ignition coil? ignition wires?
check if you have a good spark with a spark tester, compare two sides
if you have good spark then
you can check cyl compression compare two sides,
if good inspect reed valve!?!?
I have good compression, I never tested the coil with a spark tester but i did check it out on the head and it seems like im getting lots of fire on both wires.. I never checked the reed assembly yet though
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Old 02-06-2012, 01:06 PM   #9 (permalink)
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STATOR assembly includes lighting coil, injector coils, fuel pump coil, and ignition 1-2 coil.
Can test the stator on the sled , static tests and running tests

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Old 02-06-2012, 06:25 PM   #10 (permalink)
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Quote:
Originally Posted by M.neil-Xfire View Post
plug on the magneto side was fine, a brown color,. the plug on the clutch side was fouled, black and really wet. But the sled is not showing any codes? I tried new fuel with gas line antifreeze and still no go... sled idels fine but as soon as u give it throttle it sputters. Sometimes when i put it at WOT it cleares up for a sec but becomes bogey n sputterey again. I dunno whats wrong?
Please let me know if you get any suggestions. Go read my post about my 2007 500XF. I have the same plug condition. New plugs clear it for a while, but then it's right back to bog or stall, one cylinder running etc. As someone suggested going to test the injectors, maybe that would help you? My problems started eerily similar to yours. I did the new gas, fuel line additive, etc. Mine seems to stall worse and more frequent when I add any sort of fuel conditioner. The reflash helped a bit initially Maybe a reflash would help you too. If I feather my throttle during a stall episode I can usually save it from total stall. Have to let all the way off throttle, else barring it makes it stall immediately. I hope you're not headed for the stalls.
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