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Kohler k241 tips?

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RanchsA
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Kohler k241 tips?

Postby RanchsA » Thu Oct 20, 2016 8:07 pm

I'm still fiddling with the 108. I set gap on points tonight and started up. It was dark and I noticed the exhaust was getting flame and started to glow so I shut down. Pulled air filter cover and also notice fuel on filter. Next I'm planning on checking valve clearance. Is there anything else I should be checking here? Symptoms prior are hard starting and needs to be 3/4 or better throttle to run. Seemed to be losing power under load and backfiring as well. I've soaked carb and shot out with cleaner. New plug, air filter and set gap on point. I set the carb to 2 turns on high idle and 2 1/2 on low. Don't think I'm missing anything I've done. Hopefully did it all correctly... any tips?

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Eugene
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Re: Kohler k241 tips?

Postby Eugene » Fri Oct 21, 2016 2:06 am

RanchsA wrote:backfiring as well.
Two possible causes; ignition timing and/or valves not seating.

Easiest, check the point gap. Correctly setting the point gap is critical for correctly ignition timing the engine.
I have an excuse. CRS.

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randallc
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Re: Kohler k241 tips?

Postby randallc » Fri Oct 21, 2016 3:30 am

Two things come to mind: Carb to lean and timing. Setting point gap may not get it right. You need to use your multiguage on the point and rotate till contact then check the timing mark to make sure it is centered correctly. Initial setting on carb then adjust by ear.
Guinea, 1951 Farmall Cub; Jumping Willy, 1949 Farmall Cub, 61 Cub, Scrapy, and 48 Cub Al, 48 cub, Billy D.
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Zorro
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Re: Kohler k241 tips?

Postby Zorro » Fri Oct 21, 2016 4:56 pm

My log splitter was acting the same exact way as your k241. I gave it a new spark plug, and it ran fine after that.
Hold her Knute, she's headin' for the buckwheat!

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RanchsA
5+ Years
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Posts: 130
Joined: Wed Feb 11, 2015 10:38 am
Zip Code: 48873
Tractors Owned: 1946 Farmall A
1967 Cub Cadet 123
1968 Cub Cadet 125
1973 Cub Cadet 108
1976 Cub Cadet 1450
2014 Cub Cadet GT2042
Location: Mid Michigan

Re: Kohler k241 tips?

Postby RanchsA » Fri Oct 21, 2016 7:14 pm

Thanks for the tips fellas. Adjusted the valves and she will idle down (and stay running) and the exhaust doesn't look like an afterburner. I have a little surging at full throttle right now and it won't "open up" all the way. I'm thinking that may be the spring between the throttle cable. Or am I off base there? The misses have smoothed out still see one every now and again. Nothing like before though. Hopefully some fine tuning in the morning and I'll get to play with it a little tomorrow.

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RanchsA
5+ Years
5+ Years
Posts: 130
Joined: Wed Feb 11, 2015 10:38 am
Zip Code: 48873
Tractors Owned: 1946 Farmall A
1967 Cub Cadet 123
1968 Cub Cadet 125
1973 Cub Cadet 108
1976 Cub Cadet 1450
2014 Cub Cadet GT2042
Location: Mid Michigan

Re: Kohler k241 tips?

Postby RanchsA » Sat Oct 22, 2016 12:46 pm

Well I think we can ring up a success. Tugging the plow in 2nd without an issue. Still doesn't seem to be running as fast as I'd expect but maybe I'm off there? I don't have a tach to add on. It is running strong though it seems. I noticed some blow by so I have a feeling I'll be getting to know these kohler k series motors even better at some point. My phone pics are too big to add I'll have to get inside and add them. More "work" to do first.


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