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  #1  
Old 08-10-2017, 11:01 AM
brennanpersonal brennanpersonal is offline
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Default 127 Suddenly using huge amount of gas

A new issue has popped up. Filling the gas tank twice it has run out of gas in about 15 minutes of cutting grass. There seem to be no leaking, no gas smell and the exhaust is not dark. There appears to be nothing suggesting flooding.
A second issue has been going on some time: If I dont let it idle down for about 30 seconds when done it will offer up a huge backfire when I turn off the unit with out letting it idle at slow rpm for that short time.
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Old 08-10-2017, 11:04 AM
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olds45512 olds45512 is offline
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Not sure where your gas could be going, a tank of gas in 15 minutes should flood the engine out to the point it won't even run. Letting the engine idle to cool down to avoid a back fire is standard procedure on most cubs, if you shut it off hot the engine pumps raw air/fuel into the hot muffler where it is ignited.
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Old 08-10-2017, 11:09 AM
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What happens if you fill the tank and just let the tractor sit?
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Old 08-10-2017, 12:56 PM
brennanpersonal brennanpersonal is offline
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Ok on the backfire. i appreciate that.
Maybe I am crazy and didn't fill the tank as much as I thought. I will check back in a couple of weeks. You are right, if it not leaking out when not running and it it is not going into the carb while running I must be crazy.
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Old 08-10-2017, 01:23 PM
J-Mech J-Mech is offline
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Quote:
Originally Posted by brennanpersonal View Post
I must be crazy.
Let's go with that.

No way you went through 6qts of gas in 15 min and don't see it running out.
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Old 08-10-2017, 01:57 PM
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No way you went through 6qts of gas in 15 min and don't see it running out.
https://youtu.be/xGTbQuhhluY
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Old 08-10-2017, 04:42 PM
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That is awesome ^^^^^
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Old 08-10-2017, 06:02 PM
sir_lancealot sir_lancealot is offline
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You should ALWAYS let the engine cool down before shutting it down. That procedure should be followed with just about any internal combustion engine.
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Old 08-10-2017, 11:20 PM
J-Mech J-Mech is offline
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Well.... yeah. But that's a little ridiculous for a K series, LOL.

I knew that the top fuel stuff pumped the cylinders so full they run on the verge of hydraulic lock. With that much fuel, it's actually pretty impressive they don't hydraulic lock. Coarse, maybe sometimes they do.

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Old 08-11-2017, 04:41 PM
V30crewcab V30crewcab is offline
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sounds cool when they idle it up! pretty impressive when the blower disappears off the motor!
is your block full of fuel now?
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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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