4 stroke

Hi I have had this project bike for a couple years and I am finally getting around to wanting to work on it. I bought it for $30 from some one and it came with what is shown here. Also have a partial exhaust and wiring harness that is in bad shape. I am currently looking for more info on this...

Hi all, Im new to the forum, and I need help with my crf50 clone engine. It is a 50cc 4 stroke fully auto. It doesn't have gears or a kickstart, so I am relying on electric start to turn it over. I kinda bypassed some of the electrical, but it gets spark and turns over. I checked for...

hey peoples just scored a genuine vm26 running the following jets main:190 pilot:22.5 ill be installing it on a gpx yx160 out of a pitsterpro only mods on engine are inner rotor kit and big bore exhaust what do people suggest for a good jetting? never buggered around with jetting before regards

whats up i just took apart the top end and ported my OPBS X 125cc...i replaced my cam and all the head gaskets and when i was breaking it is i noticed there is a tiny bit of white smoke coming out during idle. I have only let it idle i haven't ridden it yet so i don't know how it performs but...