I have a 2005 pw50 with some mods done, such as twin air filter, swiss cheese air box, throttle screw taken out, exhaust and head ported out, iridium spark plug. and it runs great, im also throwing in a garmin nuvi, i also have random busa and gsxr 750 parts to throw in as well if your interested. im looking for any xr 50, just looking to ride and stunt it around campus. let me know if you interested.