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moe1965

14hp kohler. Spark plug proper plug

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moe1965

I have a 14hp kohler k321AS engine the champion plug it's calling for is a rc12yc plug.  Unless I'm reading the wrong info. It has a j8c in it now .  The plugs are noticeably different.    Which plug is correct?   This wheel horse is new to me so I don't know if the P.o. had the wrong plug in it.  Thanks in advance

20180603_162323.jpg

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KC9KAS

Check this out @moe1965

KOHLER_SPARK_PLUG_CHART.xlsx

 

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Edited by KC9KAS

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953 nut

Champion H-10C gaped at .035 if you have a points ignition system. The J-8 is for a K-90 and the RC-12YC is for a Kohler twin.

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moe1965

Thanks.  I have a k241s as well that has a j8c in it as well.  Is this the wrong plug as well???

Edited by moe1965

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pfrederi

K241 also uses H10C...unless you prefer something that works under compression in which case autolite 216...(Sorry i wasted a lot of time a few years ago with a champion plug that would not  fire under compression...fool me once shame on you,... twice shame on me.

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953 nut
35 minutes ago, pfrederi said:

(Sorry i wasted a lot of time a few years ago with a champion plug that would not  fire under compression

Sorry Paul, I got all the good ones!     :ychain:

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