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[ 9 posts ] |
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Why is my engine back firing?
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deadduck
MMT Member
Joined: Mon Aug 02, 2010 11:06 am
Posts: 15
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 Why is my engine back firing? I have a 25 Kohler LT. Has 22 hours on it, and it tends to back fire when I am slowing down, or idling after a long run....
What would be causing this??
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| Tue Oct 19, 2010 7:18 am |
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Cammander26
MMT Pro Member
Joined: Mon Oct 04, 2010 1:09 pm
Posts: 315
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Re: Why is my engine back firing? Water in the fuel?
_________________
TRYIN' TO LEAVE A CARBON FOOT PRINT!
BUMMIN RIDES AT THE MOMENT, UNDER CONSTRUCTION!
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| Tue Oct 19, 2010 7:56 am |
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quackconsumer
MMT Elite Member
Joined: Wed Jan 14, 2009 7:54 pm
Posts: 5582
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Re: Why is my engine back firing? Make sure your valves are set correctly.
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| Tue Oct 19, 2010 1:56 pm |
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cb5331
MMT Super Elite Member
Joined: Fri Dec 18, 2009 8:10 pm
Posts: 16915
Location: Rowlett, TX
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Re: Why is my engine back firing? The valves on the kohler should not need adjustments. If you start screwing with them, be carefull. You do not set them like a motor with solid lifters...
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| Tue Oct 19, 2010 2:00 pm |
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GeeLeDouche
MMT Pro Member
Joined: Thu Jan 15, 2009 1:24 am
Posts: 455
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Re: Why is my engine back firing? Do you have any additives in the gas? I hear that if you have octane booster or water remover in the fuel it can cause that. also, when was the last tune up? can you tell if its blowing out of the carb or the exhaust?
Gee
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| Wed Oct 20, 2010 12:22 am |
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deadduck
MMT Member
Joined: Mon Aug 02, 2010 11:06 am
Posts: 15
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Re: Why is my engine back firing? There was some fuel stabilizer in the gas tank.....
It is blowing a small flame out of the exhaust
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| Wed Oct 20, 2010 8:04 am |
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Cammander26
MMT Pro Member
Joined: Mon Oct 04, 2010 1:09 pm
Posts: 315
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Re: Why is my engine back firing? dump it out and clean it put fresh gas
_________________
TRYIN' TO LEAVE A CARBON FOOT PRINT!
BUMMIN RIDES AT THE MOMENT, UNDER CONSTRUCTION!
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| Wed Oct 20, 2010 1:41 pm |
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GeeLeDouche
MMT Pro Member
Joined: Thu Jan 15, 2009 1:24 am
Posts: 455
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Re: Why is my engine back firing?
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| Thu Oct 21, 2010 1:02 am |
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stualaska
MMT Addict
Joined: Sat Jan 17, 2009 1:34 am
Posts: 578
Location: North Pole, Alaska
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Re: Why is my engine back firing? Hmmmmmm, blowing flame out the exhaust, excessive backfiring............ Sounds to me like a very rich mixture. Is the air filter dirty, wet or oiled up? Is the float in the carb set too high? Is the choke open all the way? Are you hitting on both cylinders?
Kohlers are good at backfiring, but I've never seen one that was running right blow flame.
Good luck and let us know what you find.
_________________
so many rivers, so little time
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| Thu Oct 21, 2010 6:58 pm |
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