oneup
+1y
Check the mixture screw on the side of the carb if it has been moved thats whats giving you problems I would recommend trying to adjust it a little but do a very small slight budge at a time they are very finicky to adjust. I had the same problem with my 90 when I put the new motor in it and it took me about 3 hours to get the carb adjusted correctly and I honestly think it was pure luck so i filled the hole with some silicone so it wouldn't be touched agian and never had another problem out of it. But you literally move it like 1/64 of an inch at a time otherwise you will get it all fucked up and have an even harder time getting it to run right.