Possible, I didn't notice the condition of the cooling fins before.

I do clean the engine semi regularly, with the compressor. But not with the covers off.

Funny too, when I bought this tractor (almost 20 years ago) I was always worried more about the Hydro Tran, they were somewhat new on consumer level products back then. And now the engine is dying.

Wish I could get a rebuild kit, searched some online, absolutely zero.
Partly just so I could have the experience of rebuilding a small engine, partly as the rest of the tractor is in good to excellent shape.
Even a replacement motor, but I couldn't find anyway to get matching bolt patterns.

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KLK, MCSE

1990 500SL

I was always taught to respect my elders.
I don't have to respect too many people anymore.