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  #1  
Old 04-22-2018, 07:07 PM
Pletch Pletch is offline
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Location: PA
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Default 1450 running issues
Hello everyone, I'm new to Cubs in general.
I have a 1450 with the original engine, it will stall when throttle is anything above idle. I just put a new carb on it and has done the same thing. The points were recently replaced (before me). I have read some things about exhaust valve seats etc. Is that a common thing?
All input is welcome.
I tried to search for answers but couldn't find, but again, I'm new.

Thanks all
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Old 04-22-2018, 07:31 PM
R Bedell R Bedell is offline
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First, welcome to OCC......

Your symptom could be caused by a number of things. Lets start with fuel delivery. At the gas tank, there is a screen on top of the shut off valve. Is that clean? Then work your way along the fuel line and make sure it is clean and unobstructed all the way to the Carb fitting. Lastly on the fuel side, inspect & make sure the gas tank has a good vent (gas cap).

Check that out and let us know.
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Old 04-22-2018, 07:33 PM
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DeltaCub DeltaCub is offline
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Quote:
Originally Posted by Pletch View Post
Hello everyone, I'm new to Cubs in general.
I have a 1450 with the original engine, it will stall when throttle is anything above idle. I just put a new carb on it and has done the same thing. The points were recently replaced (before me). I have read some things about exhaust valve seats etc. Is that a common thing?
All input is welcome.
I tried to search for answers but couldn't find, but again, I'm new.

Thanks all
Hi Pletch, Welcome!

First, when you changed your carb, did you check for fuel flow from the tank? The original shutoff/connector has a fine built in filter than can occlude very easily. Your tractor is 40+ years old and the tank may be full of foreign matter that can plug filters. Secondly, rule out simple things such as fuel flow, dirty filter, restricted fuel line. If all of those check out then progress to more involved items. We are here to help but we need more info first.
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Old 04-22-2018, 07:43 PM
Pletch Pletch is offline
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I didn't know about the screen, I will check that. When I was still with the old carb, it looked like there was plenty of fuel in the old filter (clear).
The gas tank looks to have a "rubber grommet-ish" kinda thing holding the petcock in, is this correct?

Thanks for the welcome guys!
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Old 04-22-2018, 07:48 PM
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DeltaCub DeltaCub is offline
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Originally Posted by Pletch View Post
I didn't know about the screen, I will check that. When I was still with the old carb, it looked like there was plenty of fuel in the old filter (clear).
The gas tank looks to have a "rubber grommet-ish" kinda thing holding the petcock in, is this correct?

Thanks for the welcome guys!
The "petcock" is as you described. Engine cool, remove the fuel line from carb and see if fuel flows easily (into a gasoline safe container) and not just a dribble.
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Old 04-22-2018, 08:11 PM
Pletch Pletch is offline
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Full flow is there.
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75' 1450 w/ dual outlets
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Old 04-22-2018, 08:19 PM
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Full flow is there.
Good! Here is the link for the engine manual. I suggest studying this to help diagnose and repair.

http://www.kohlerengines.com/engines...df/tp_2379.pdf

http://www.onlycubcadets.net/forum/showthread.php?t=14

Read through the carburetor repair and static spark timing. If these are ok move on to more involved items. The manual is a wealth of info!
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Old 04-22-2018, 08:24 PM
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Change the condenser, they are inexpensive and can cause the condition you describe.
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Old 04-22-2018, 08:30 PM
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Change the condenser, they are inexpensive and can cause the condition you describe.
Simple stuff! ol'George is a wealth of info among other things!
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Old 04-22-2018, 08:44 PM
Pletch Pletch is offline
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I will try that tomorrow and report back.

Thanks guys!
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