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I have a K341 that gave up a rod a while back. talk about "Big Bang Theory..." anyway, I tore it down to see how bad it got inside and to my surprise other than the rod, and the very bottom of the piston skirts the inside looks great!
the crankpin looked like it might have taken some abuse but i used a white stone (lightly) and some polishing paper and it must have been debris from the rod or piston because it came right off.
i took some measurements and it does show some wear. the crankpin measures 1.498 to 1.499 (low limit is 1.499) and out of round a full .001 (spec calls for .0005 max)
the bore measures .002 out of the wear limits and is out of round about .005. going to need a new piston anyway and i can bore it at work . no problem there.
my question is, would you re-use the crank in that condition? I can't grind a crank at work... lol
This engine has been bored .030 and has new internal parts installed. I purchased it from a man who was restoring a tractor and had the machine work and build up completed by a local machine shop. Part way through the restoration he decided to quit and sell off the parts he had completed. I have a Wheel Horse C120A that the engine lost a piston and I thought I could replace the k301 with the k321. As it turned out this engine has a cub oil pan and the pan from my k301 was not compatible. I repaired my k301 and now have this engine for sale. I removed the head and pan in order to take these pictures. The original piston and rod is with it and a rebuilt carb. It has new points, and the used coil. It is minus the shroud and the governor linkage. I had planned to use them off of my K301.
By Rob R
Hi folks Brewster Rob here, was gifted a Cub Cadet LTX 1040 in great shape other then a completely blown 19HP in-famous Kohler Courage SV590, today I acquired a 17HP Pro OHV CV490S in perfect running condition.... so I want to swap the engines. They have identical vertical shafts question is the electrical. The Courage had four wires coming from the engine red/green/white/purple, the Pro has 3 white, 1blk and 1 red. I also have the alternator and regulator from the blown Courage.... might I be able to swap alternators??? I of course have the old Courage key switch I do NOT have the new engine key switch......... Need help from the Red Square wizards and PLEASE think about the best result way to go here.... thank you in advance.