Rebuilding k161

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Pickerincal
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Rebuilding k161

Postby Pickerincal » Mon Dec 05, 2016 1:31 pm

I have a 72 that i am rebuilding. It has a K161 engine that I would like to rebuild. Is there any tutorial on this? Does anyone have any suggestions? I have never rebuilt an engine before but have done a lot of mechanical work but never have done cylinder head work. Should I take it to a machinist? Anything to look for to see if it needs rework/boring/rings etc..?


Thanks,

Brian :D

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Shane Nelson
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Re: Rebuilding k161

Postby Shane Nelson » Mon Dec 05, 2016 1:37 pm

You can pull the head off and look in the bore for starters, see if there are any grooves or a groove at the top where you can hang your fingernail on it from cylinder wear. If you don't have the precise measuring tools to measure the bearings, bore etc. I would suggest taking it to a machine shop and let them measure it and go from there.
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Pickerincal
5+ Years
5+ Years
Posts: 112
Joined: Sat Jun 23, 2012 11:42 pm
Zip Code: 93455
Tractors Owned: 1947 Cub
1967 Cub Cadet
1972 Loadstar 1600
Circle of Safety: Y

Re: Rebuilding k161

Postby Pickerincal » Tue Dec 06, 2016 12:32 pm

Thanks, I got the head off and it looks surprisingly good except for a little discoloration at the top of the bore, of course the usual carbon build up. and a froze up exhaust valve. This engine had been sitting quite a long time and I had to pull it out just to see if it was froze up or not. I think I am going to invest in some measuring tools and take a shot at this myself. I found a lot of info on youtube about head work. Thanks again.
Brian :D


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