That nipple is for a oil injection line, some 2 strokes ran a oil pump which had a line from it to to the dio reed intake. The other thing that nipple is used for is for a vacuum operated fuel petcock. You can buy actual plugs to plug it off, or just get a vacuum cap assortment & cap it off.
I bought caps and plugged it up, but after doing that it wasn't running at all...... motor didn't feel like it wanted to turn over on it's own. You think pilot is too rich? I believe they come pre-installed with a 41 pilot and 100 main.
Yeah, I probably need to take off the head and cylinder to check and see if the previous owner did indeed put a windowed piston or not and if I did any damage to the motor when I was running it lean and hot. But even if it ran a regular piston, I don't think it will cause the motor to run soo hot? You think without a windowed piston there would be some blow back? I noticed some smoke coming out of the nipple.... though it could be from inside the cylinder escaping through small openings which got me wondering, aren't reeds supposed to stop that from happening? Thought that was the whole purpose of reeds, got me wondering if my reeds are destroyed.
I think you are having multiple issues, I'm betting your reeds are messed up & you possibly have a scored cylinder as well.
I ordered some jets, the pilot jets fit fine... but the main jet is different from all of the ones for sale on eBay. When I unscrew the main jet, it's as long as the pilot jet, looks to be of of bigger thread as well and once the jet is off you can see a brass needle sticking out. The small main jets supply that I order will not fit, what kind of main jet do I need?
If you got a pic of said main jet will help. Some carbs have a standpipe/emulsion tube, (lol I think that's the right term)? the main jet screws into.
Oh SNAP! Stupid me. Will report back with results.
