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Discussion Starter #1
I have a craftsman with a 22hp verticle mount v-twin engine. I was rolling the yard and I noticed it had suddenly lost power. The exhaust smelled more gassy, so I replaced the the fuel filter and the plugs. It still starts and runs good untill I am in gear and turn on the blades, then it losses some power. Any advice would be great. I also checked the air cleaner and it was good.
Thanks in advance.
 

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What engine model number, and your tractor model numbers would help as well.
 

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Discussion Starter #3
kohler engine model#CV22S-67527 and the tractor is: 917.258904

I also just checked the spark and only had one cylinder sparking. So I guess I need to look for a coil.
 

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I'm not really very familiar with the Kohler's but the following list should get you started. Someone more familiar with Kohler engines will be along shortly. Based solely on the "gassy" smell, I'd say she is running rich and it's an air related mixture problem. But since your only getting spark on one side, that pretty much narrows down the culprits.

LOSS OF POWER

Causes:
  1. Cutting too much grass too fast
  2. Throttle in "CHOKE" position
  3. Build-up of grass, leaves and trash under mower
  4. Dirty air filter
  5. Low oil level/dirty oil
  6. Faulty spark plug
  7. Dirty fuel filter
  8. Stale or dirty fuel
  9. Water in fuel
  10. Spark plug wire loose
  11. Dirty engine air screen/lines
  12. Dirty/clogged muffler
  13. Loose or damaged wiring
  14. Carburetor out of adjustment
  15. Engine valves out of adjustment
Possible Solutions:
  1. Set in "Higher Cut" position/reduce speed
  2. Adjust throttle control
  3. Clean underside of mower housing
  4. Clean / replace air filter
  5. Check oil level/change oil
  6. Clean and re-gap or change spark plug
  7. Replace fuel filter
  8. Drain fuel tank and refill with fresh gasoline
  9. Drain fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter
  10. Connect and tighten spark plug wire
  11. Clean engine air screen/fins
  12. Clean/replace muffler
  13. Check all wiring
  14. See "To Adjust Carburetor" in Service Adjustments section
  15. Contact an authorized service center/department
Good luck.
 

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Sounds like it ate a coil...try swapping coils and see if the problem follows the coil, or if it stays on that cylinder.

Also 2 new plugs.
 

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Discussion Starter #7
Sounds like it ate a coil...try swapping coils and see if the problem follows the coil, or if it stays on that cylinder.

Also 2 new plugs.
It is for sure the coil. I swapped it around and didn't spark. Who on the forum is good to get parts from?

Thanks for the replies.
 

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Discussion Starter #9
Ended up getting the coils at Napa for $28 a piece. They came in factory Kohler boxes. She is back up and running. Thanks everyone for your help.
 
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