High Tech Race Weapon The MX2 category has a new contender. The FC 250, with its powerful, high-revving and compact 250 cc 4-stroke engine, sharp handling, light weight and extreme agility, takes it straight to the top. The 14,000 rpm rev limit clearly indicates the FC 250's potential. Experts and amateurs alike are sure to appreciate the electric start for peace of mind in every circumstance. Super sharp throttle response, smooth clutch action and precise shifting pave the way to a holeshot.