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#1
06-16-2014, 10:48 PM
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1641 with some issues
Hello fine folks,
I'm new to the forum, and Cub Cadet family. My dad bought a new mower recently, and handed over his '92 1641 to me. It has the 16HP Vanguard engine. It was smoking pretty badly, and going through oil fast. He had already replaced gaskets around the valve covers. Thanks to this forum, I narrowed the oil down to the oil fill tube. There was no o-ring on the cap, and the threaded one at the bottom was rotted out. So I had it running, mowed my yard, and my sisters twice, oil issue seems better. Started up last Tuesday, after putting a new belt on it, ran maybe one, and half lap, and it didn't sound right. When I would switch on the PTO, it seemed real hard on the motor. I shut it off right away. Saw metal shavings in the front. Pulled the PTO yesterday, and found the bearings shot. I went ahead, and bought a PTO for $200. Put it in, no problem. Somehow, in the meantime, I got a new problem. Went to start it up today, but it just won't. Turns fine. I thought it wasn't getting spark, but that seems fine. It's like it isn't getting any fuel? I took the air filter off, and if I add gas directly to the carb, it will run, but sputter out, as soon as it burns off. I seem to be getting good flow, but can't figure out the problem. Sorry for writing a book here, but I'm at a loss. Was running great, other than the smoke a couple weeks ago. Maybe someone has already addressed this, and I've missed it. Any help would be greatly appreciated! Neil 
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#2
06-17-2014, 01:05 AM
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 If you can pour gas in the carb and it runs, then it isn't getting fuel. Could be: *Plugged fuel filter *Bad fuel pump *Plugged fuel line *Gunk in the tank (plugged outlet) *Plugged carb *All the above Probably time to pull the fenders, tank, carb and do a complete fuel system flush. I recommend replacing the fuel lines, filter while your at it. You can try blowing out the lines and see if that fixes it, but usually this is just an indication that there is either crap in the fuel system, or a part failure. Better off to do the flush and head off future problems. That way, she runs when you need it. 
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#3
06-17-2014, 06:45 AM
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I'm wondering if when you changed the PTO you somehow got the fuel shutdown solenoid for the carb disconnected?
__________________
2264 with 54 GT deck 1641 AKA Black Jack with a 402-E Haban Sickle bar mower JD317 dump truck BX2670 with FEL
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#4
06-17-2014, 07:50 AM
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Quote:
That was my thinking.
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#5
06-17-2014, 08:14 AM
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Neil
See if you can hear a click under the air cleaner when you turn the key to the run position. Don't crank it just to run and let us know what happens.
__________________
2264 with 54 GT deck 1641 AKA Black Jack with a 402-E Haban Sickle bar mower JD317 dump truck BX2670 with FEL
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#7
06-17-2014, 06:43 AM
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Quote:
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| Tags |
| 1641, carburetor, pto, start |
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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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