I got a 98 Montesa Cota 315R. It hasant been running for a few years. I got it for $1000. Today I pulled the carb off (man that was easy) to clean it, but it seemed fine. I cleaned the filter and pulled the plug. I sprayed a little WD40 in the plug hole and ran the kick starter a few time, feels fine. Tomorrow morning Ill get some premix and a new plug. Wish me luck.