Specifications: Engine type660cc,4-stroke single, liquid cooled w/fan,5-valve sohc bore x stroke100mm x 84mm compression ratio9.2:1 carburetiondual mikuni 33mm bsr ignitiondc - cdi starting systemelectric transmission5-speed manual clutch w/reverse drive train2wd; sealed o-ring chain chassis suspension/frontindependent double wishbone,9.1 w/5-way preload adjustment suspension/rearaluminum swing arm,8.7 w/rebound, compression and threaded preload adjustment brakes/frontdual hydraulic discs brakes/rearhydraulic disc tires/frontat21 x 7-10 radial tires/rearat20 x 10-9 radial dimensions l x w x h72.0 x 43.3 x 45.3 seat height33.9 wheelbase49.0 ground clearance4.5 fuel capacity3.2 gallons dry weight398 lbs. Other lightingdual 30w krypton multi-reflector headlights& 21/5w brake light colorsteam yamaha blue/white warranty6 month(limited factory warranty)