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I have a TEA20 here in Canada. It took me a while just to find out what it was, since some idiot took off the serial number plate, but some great people at this site helped me out. Go back a few pages and you'll see. Look at your engine number, which will be stamped on the left side of the block, between the coil and the oil filler. Mine is S97847. The S stands for Standard, so that's how you know if it's a Standard engine. Apparently all TEA20 tractors came with the Standard motor. So this following info is for the Standard. *Ignition Timing* Is at TDC. There is a little hole under the starter motor, on the forward-facing part of the block. Sometimes there's a little plug, or the hole is filled with dirt and you have to look very hard for it, like I did. There's a corresponding hole in the flywheel. You can take the starter out to see it, or turn over the motor very slowly by hand a poke a little screwdriver through. Careful! You don't want to snap the screwdriver. When the screwdriver is through the hole in the block and the flywheel, you can set the timing. *Tuning* APPARENTLY, and I say that since I'm not absolutely positive 100% about this yet, these are the specs. I've used them and they work well. Valve clearance .010" exhaust, .012" inlet, points gap .015", spark plug .030-.032". Hope this helps. Let me know if it does, and if you learn anything else!
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