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Discussion Forum

Cub cadet...Loss of power under load

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D Stiteler

05-01-2000 09:24:22




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I have a cub cadette (1250 hydrostatic) that just recently loses power while going up a slight grade while mowing, I put in a new spark plug, adusted the carb as per instructions, but no change, I was wondering if the compression release mechanism went bad, I'm not familiar with this but the decal mentions this engine detail, wondering if anyone else has had a similar problem with the loss of power.
Thanks for any input.

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Pete in Ks

05-02-2000 06:08:57




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 Re: Cub cadet...Loss of power under load in reply to D Stiteler, 05-01-2000 09:24:22  
I would fist check the points. Clean or replace and reset to specs. If the points are not set properly you will experience a loss of power.



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Jim S.

05-01-2000 11:32:06




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 Re: Cub cadet...Loss of power under load in reply to D Stiteler, 05-01-2000 09:24:22  
More likely causes than ACR problem:

1.) Leaking head gasket.

2.) Carbonized combustion chamber.

3.) Carbon under valves.

4.) Burnt and/or sticking valve (usually exhaust).

5.) Governor improperly working/mis-adjusted.

6.) Restricted fuel flow.

7.) Sticky needle valve and/or float in carb.

8.) Leaky carb to block gasket and/or loose carb to block connection.

Hope this helps. 1250 is a nice tractor!

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Joe Runnels

05-29-2000 22:34:19




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 Re: Re: Cub cadet...Loss of power under load in reply to Jim S., 05-01-2000 11:32:06  
No doubt you have solved the loss of power problem by now. However I experienced loss of power, then shut down under heavy load. Would restart with choke, and run fine until next heavy load. Solution, replaced engine mounted fuel pump.
WHAT A GREAT MACHINE.



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