Engine
Type 249cc air/oil-cooled 4-stroke; SOHC, 2 valves
Bore x Stroke 74.0 x 58.0mm
Compression Ratio 9.5:1
Fuel Delivery Mikuni® 29mm BSR
Ignition DC-CDI
Starting System Electric
Transmission 5-speed; wet multiplate clutch
Drive Train 2WD; sealed O-ring chain, eccentric adjustment
Chassis
Suspension/Front Independent double wishbone; 5-way preload-adjustable shocks, 7.5-in travel
Suspension/Rear Swingarm, preload-adjustable, 7.9-in travel
Brakes/Front Dual hydraulic disc
Brakes/Rear Hydraulic disc
Tires/Front AT20 x 7-10
Tires/Rear AT19 x 10-9
for more info visit Yamaha Raptor 250r website