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Reload this Page K301 Plug Gap Champion RH10C
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  #1  
Old 05-05-2010, 04:43 PM
labrati labrati is offline
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Default K301 Plug Gap Champion RH10C
The info states that gap should be .025.. but I have a "home brew" transistorized point system... the plug I pulled was at .065 if I remember correctly, and when I pulled the new plug it was pretty carbon fouled after only a short use. I'm wondering if that gap could be what is causing it to foul so quickly, and if the gap still applies when the coil and condenser are different / non-existent.. basically should I gap the same as a normal ignition setup even though its got a "home brew" pointsaver type system on it?

thanks
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Old 05-05-2010, 05:33 PM
murphycc
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Throw the champion away and get an Autolite. Seriously, champions are the worst plug on the market, tests show that something like 4 of 5 are bad from the factory.

Yeah, .025 .....some here are suggesting .035....can't remember if that was for coil or mag motors....someone will be along soon....

Scott
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Old 05-05-2010, 06:31 PM
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jeffb jeffb is offline
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Is there a cross reference for different plugs anywhere? I know Champions aren't the best out there but 4 out of 5??
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Old 05-05-2010, 06:52 PM
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esarvey esarvey is offline
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Exclamation Kohler reccomended sp gap
K say .025 batt. pionts sys./ mags. .035 as a rule of thum!
I agree that AUTOLITE is the best to go with!
Daduke
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PAC at plow day!!!
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Old 05-05-2010, 10:33 PM
Merk Merk is offline
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Quote:
by esarvey
K say .025 batt. pionts sys./ mags. .035 as a rule of thum!
I agree that AUTOLITE is the best to go with!
For a K301 motor the points should be set at .020.
The sparkplug for a battery ingition is .035
The sparkplug for a mag ignition system is .025.
The info was found on page 1.6 of a Kohler service manual.
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Old 05-05-2010, 11:09 PM
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johncub7172 johncub7172 is offline
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Thanks to David Kirk for researching this info.. Engine-Kohler K241[10hp],K301[12hp],K321[14hp],K341[16hp]. Champion H10c can be cross referenced with Autolite 216. Among others are NGK B4L, Bosh W9AO, Accel 168, Prestolite 14L7. Goes on to say: Notes: 14mm,7/16 reach, 13/16 hex. These plugs recommended for stock engines. If you want more info. on others, let me know. Also Splitfire SF1F.
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Old 05-06-2010, 10:25 AM
labrati labrati is offline
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Originally Posted by Wild Bill View Post
I'm impressed that a Kohler coil can get a plug gapped at .065" to even fire!..... That is more than double what the plug should be gapped at!

Even with the transistor set up on the points, the plug gap doesn't change. Like the other guys have said, get a Autolite #216 plug, and gap it to .030".
It's not a Kohler coil... I can't remember the exact coil at the moment... and points don't appear to have a gap what-so-ever... I'm going back to "organic" that is Kohler coil, new points, and condenser this winter... right now I've got to fight with a bad S/G and replace Hydro/rear end gaskets.. so I'm trying not to fix too much during the mowing season... but I figured I might have a situation where the carbonization on the plug was due to the large gap... thus allowing the combustion to be only partially ignited, causing the symptoms to appear as if there was enrichment in from the carb.
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