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Discussion Starter #1
I previously posted a thread "10323 has no power". I replaced both seals and replaced the reeds along with everything else mentioned in the previous thread. This thing still won't run right. It will start right up but it won't build any power. I didn't pull the piston out when I had the cases split to check to see if the rings were broken but I checked the compression with a gage and it read 90 psi. Is that a reasonable amount? I'm thinking it's carb related but can't be sure. Anyone ever run into this issue before? What else could be wrong with the carb?

Mike
 

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I previously posted a thread "10323 has no power". I replaced both seals and replaced the reeds along with everything else mentioned in the previous thread. This thing still won't run right. It will start right up but it won't build any power. I didn't pull the piston out when I had the cases split to check to see if the rings were broken but I checked the compression with a gage and it read 90 psi. Is that a reasonable amount? I'm thinking it's carb related but can't be sure. Anyone ever run into this issue before? What else could be wrong with the carb?

Mike
Make sure the reeds are clean and shut while you have the carb off.
 

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check you exhaust ports they might have excessive amounts of carbon..
good luck!

jake wells
 

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Service limit is 80 psi. Optimal is 115. Have you looked through the duraforce service manual at all? It's available for free at lawnboy.com.
 

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Discussion Starter #6
I finally solved this lack of power issue. It had a clogged muffler! It was being run on B & S two cycle oil with a Champion CJ14 plug. Along with the overflow of fuel due to the float not shutting off I'm betting that's what lead to the muffler problem. Just thought I'd post the fix for others to consider if they have issues like mine. Thanks for all the advice, especially about the engine manual being available from Lawn Boy online. I wish I would have known about that earlier since it answered a lot of questions.

Mike
 

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LAWN-BOY-AHOLIC
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Take another compression test, I will bet it is higher now that the muffer is open.
 

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Lawnboy Green
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Hi Mike,
Thanks for the Update. How did you clean the muffler?

Best wishes,
Bob
 
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