Thread: Over haul of a K-301
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Old 08-19-2021, 12:50 PM
DSarow DSarow is offline
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Join Date: Feb 2020
Location: Madison, WI
Posts: 110
Default Over haul of a K-301
I have a 125 with a K-301. Appearance and mechanicals are excellent. It has started to use some oil and fouling the plug. I don't use it in the winter. I'm planning on an overhaul this winter. It has 0.20 on the piston. I want the balance gears out and David Kirk modification done. My question for all the experienced guys on this forum, is sleeve it, or bore to 0.30? All answers will be appreciated!

Thanks guys.
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