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Old 03-05-2026, 11:02 AM
rd400racer rd400racer is offline
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Join Date: Feb 2026
Location: Kentucky
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Quote:
Originally Posted by evhevh View Post
Here are a couple of things to try.

1. With the deck removed did you happen to try the PTO? That would tell you if the issue is electrically related to the PTO (I doubt it).

2. It sounds like the load is making the engine act up. Is it a two cylinder engine? If so, I would check and make sure both cylinder's are firing. It sounds like the load from the PTO/Deck is straining the engine with only one cylinder running. There are multiple ways to test if both cylinders are running. (i.e. bad spark plug, lost a coil, etc.)
Quote:
Originally Posted by ironman View Post
When you say "cutting out", do you mean the engine continues to run but misfires and runs badly,
or do you mean the engine acts like it has a strain on it and wants to die or dies immediately.
Yes, when I ran without the deck on and engaged the PTO, it ran fine. it's the 2 cylinder Kohler Courage.

And to answer the second question, it misfires and runs badly, but only with the deck attached and PTO engaged.

Totally weird, huh? Hooking the deck up and engaging the PTO should be no different than no deck and PTO engaged. That's why I'm stumped.
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