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  #1  
Old 05-29-2022, 09:49 PM
Lincolnmania Lincolnmania is offline
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Default 2146 Backfires when shutting off

My 2146 backfires thru the exhaust when it's shut off after mowing the lawn.
Any cure for it? it's been doing it since my dad left it to me.
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  #2  
Old 05-29-2022, 10:35 PM
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Billy-O Billy-O is offline
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Are you letting engine idle down a minute or two before shutting off. That usually helps. Also, You could be running too hot or lean.
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  #3  
Old 05-30-2022, 12:03 AM
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TheSaturnV TheSaturnV is offline
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I've got 2 Kohler Command Pro's that are frequent backfire offenders. I just blip the throttle up a bit as I shut off the IGN. Works every time.
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  #4  
Old 05-30-2022, 01:21 AM
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Ozcub Ozcub is offline
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Turn it off from approx half throttle that will stop your problem
Oz
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  #5  
Old 05-31-2022, 02:15 PM
Lincolnmania Lincolnmania is offline
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was only idling it down for about 20 seconds. Yesterday i let it idle for about 2 minutes then drove it at idle back into the shed and it did not backfire. Come to think of it Dad complained of it doing this to the cub cadet dealer when it was under warranty and they did not give him an explanation, heck they picked up the tractor once and brought it back with zipties holding the deck up on one side. I buy my parts online now, not giving then any money.
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cub cadet 71 that my pop pop got new and gave me in 85......restoration just started
cub cadet 100......was a friends grandfathers, given to me in 93.. restoration almost finished
cub cadet 72, 150 dollar craigslist find, 38" deck, worker
cub cadet 127 basketcase, my dad bought in 84
cub cadet 71 beauty (formerly johncub7172's)
cub cadet 123, craigslist find

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  #6  
Old 05-31-2022, 06:28 PM
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Farmall450 Farmall450 is offline
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Quote:
Originally Posted by Lincolnmania View Post
was only idling it down for about 20 seconds. Yesterday i let it idle for about 2 minutes then drove it at idle back into the shed and it did not backfire. Come to think of it Dad complained of it doing this to the cub cadet dealer when it was under warranty and they did not give him an explanation, heck they picked up the tractor once and brought it back with zipties holding the deck up on one side. I buy my parts online now, not giving then any money.
Let it idle longer.
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  #7  
Old 05-31-2022, 06:43 PM
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Sam Mac Sam Mac is offline
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One hand on the throttle and one on the key, go wide open at the same time you turn it off.
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  #8  
Old 05-31-2022, 06:45 PM
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Quote:
Originally Posted by Sam Mac View Post
One hand on the throttle and one on the key, go wide open at the same time you turn it off.
Priming it for the next start lol?
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1282 | 44C Deck, 42" Blade, 020" Over K301 * 1711 | 50C Deck, #1 Rototiller w/ Extensions, Sleeve Hitch, CH18S * 1811 | 46 GT Deck, 42" Blade, M18, Sleeve Hitch * 1782 | 60" #375 Deck, Kubota D640 Diesel * 1862 | #450 Snowblower, M18 Magnum * 782 | Y/W KT17 Series II, Sleeve Hitch * 984 | Y/W Onan/Linamar 20HP, Sims Cab, CAT 0 3 PT w/ Rear PTO, 60" #374 Deck * 1914 | 44C Deck, KT17 Series II * 127 * 1650 Twin Stick | 50C Deck, 42QA Snow Thrower, K341 * 1862
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  #9  
Old 05-31-2022, 08:21 PM
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ol'George ol'George is offline
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If your exhaust system has any leaks, that can introduce air into the system when shutting down, that provides the necessary air to allow combustion in the muffler from any un burned fuel after the ignition is extinguished. Seen it many times, but if no leaks then just let the temps normalize for a minute or so after usage as suggested.
Many user manuals of equipment recommend letting it cool/normalize a few minutes.
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  #10  
Old 05-31-2022, 08:32 PM
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ironman ironman is offline
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What's all the fuss?
Make sure you cut your grass late after dark,
(like 11 p.m.)
then pull over next to obnoxious neighbor's property when you shut it down.


Satisfaction gained....... beyond belief!
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

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