MOPED ARMY

Any high quality 2 stroke oil is fine, I run Honda-line or Yamalube, mixed at 32:1, the 25:1 mix shown on the tank is from when the bike was made, and really not necessary, most will say 32:1 is too much oil as well, but it works for me, you can go 40:1-50:1 with no issues. Maybe keep that jet in there until your pipe comes and see how it does? Bear in mind the carbs on these bikes must be surgically clean for them to run well. Is your air-filter clean and in place?

Try cleaning the carb with brake cleaner before removing whole thing pita. Theres a small silver screw(verticle) and fuel mixture screw. I take those two out and blow cleaner and compressed air thru em before taking it all apart. Also theres a screw for the drain if ya wanna make sure fresh gas is in there on the bottom of the float bowl.

Performance pipes definitely effect jetting. If you are using the original foam air cleaner element in the little plastic tray you might try giving it a good cleaning, or removing it all together to see if there's a noticeable difference in how it runs. I like to cut my own foam from a sheet of hi-flow uni filter foam or something similar.

Most likely not enough gas. Try choking halfway and throttling to see if she revs. Ive backed that screw out 3 1/2 to 4 turns to get the off idle right.

Try Kneeling next to the bike with it running and your hand on the throttle. Manipulate the choke lever at the same time you are trying to open the throttle and see if you can get the bitke to reve normally.

Doing this can tell you a lot about rich or lean conditions.

if you can get the bike to rev with the choke partially or fully closed then your jet may be partly clogged or too small.

When a motor dies from lean conditions it will sound as if the spark is being robbed and may have a POP sound with it.

When a motor dies from too rich the sound is you can still here the plug firing but its like it is just being strangled and the would be no POP.

It's supposed to release when you open the throttle.