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New sleeves, pistons, rings, etc. Sleeves looked like the horn job was right, all Yanmar parts. However I probably didn't run it hard enough during break-in. I'm not sure how it can start and run reasonably well if the compression test only shows a little over 200 psi. Maybe it doesn't run as...

When I rebuilt the engine, I disassembled the injectors and installed new nozzles. Took them to a local tractor shop for a pop test. I know some trash might have been present in the lines, pump, etc but tried to make sure everything was clean when it went together. I found that a 3/4" merchant...

The reason for the rebuild was the previous owner left it sitting with an open stack for several years. I traded for it and had to do a full rebuild of the engine. Including sleeves/pistons and having the head tested and surfaced. Then I split the case an did the whole transaxle. Anyone with...

Thanks for all the great suggestions and info. I hope to get back on this in a day or two. Early on I did see some pressure seeping between the block and head in the form of fine bubbles. I retorqued the head and it seemed to subside. Also after running a tiller for several hrs the next time I...

That's why I'm a dumbfarmboy.

I'm not sure how I would know since it's a 3 into 1 manifold. I'm beginning to think that maybe I haven't ran it had enough in the last few months. The specified compression test pressure has me baffled as that would mean a ratio of 35:1 form my calculations. The service manual says it's 22:1.

Ok, so a little more history. From fall 2019 until fall 2021 it sat and wasn't ran because I moved and left it with neighbors until I could go get it. Yesterday I fab'd a mock injector body and was able to run compression tests. Cold all within 5lbs of 200psi. Warmed up wasn't much different up...

I completely rebuilt this engine a few years ago, probably doesn't have 100 hrs yet. Always starts right up but lately it's slobbering sooty oil out the exhaust. I'm suspecting I have low compression on a cylinder as I noticed white or light gray smoke recently. Today with temps in the upper 40s...

Finally after a complete engine rebuild with OS pistons it runs. Loader has been used some but after using tiller, the engine appeared to be locked up or really tight. This was the first time TP and PTO have been used. Nothing was done to the trans or rear drive. Thought it was starter or...

I started this project several months ago. Bought this non-running tractor with loader for $2600 with hopes it would be a relatively easy fix. Discovered low compression on 3 of 4 cylinders and after removing the head, found #3 had a significant ridge. I checked several of the parts suppliers...

Has anyone used these? Prices seem considerably less than what Cub/IH/MTD wants for theirs. The 7360 we got on Monday has some major piston slop in #3. Pretty good ridge at the top of the cylinder. Either need to bore out for over sized or reline with standard. So far all Asian kits are...

Convinced a friend that this was a better deal than a 22hp Mitsu with loader for $5900. Got this for $2600. Has 485 loader, motor turns over, doesn't start. Burned out glow plugs, relay and controller which seems to be a common failure. Has electrical issues as key won't crank it. Got the...