Thread: K301 rebuild
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Old 05-02-2022, 05:47 PM
RoseHillFarmIHCC125 RoseHillFarmIHCC125 is offline
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Join Date: Apr 2022
Location: Georgia
Posts: 231
Default K301 rebuild

I have the block almost stripped all the way down and I found a couple things worthy of note. The part of the camshaft that operates the points plunger has visible wear in it. I’m surprised by that because the plunger is aluminum. I feel like I need a new cam now because it would be cheaper than having the machine shop apply weld then machine it back down. Thoughts?

My second issue is that now that I’ve opened the engine, someone has been in here because the con rod end cap has two different nuts. Also, at the VERY bottom of the cylinder is an arc shaped nick. If you were to cut a dime exactly in half, it would cover this spot. Apparently this engine threw a rod at some point. I hope the block isn’t trashed, I like this engine set-up for my Cub. Thoughts?

Third, I have no balance gears. The casting is in the block, but the studs they would ride on were never installed. Thoughts?

I’ll try to get pics posted, I downloaded an app to reduce my file size because I don’t have a computer. Just an iPhone.
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