Engine
Type:686cc liquid-cooled w/fan, 4-stroke; SOHC, 4 valves
Bore x Stroke:102.0mm x 84.0mm
Compression Ratio:9.2:1
Fuel Delivery:Yamaha Fuel Injection (YFI) , 44mm
Ignition:16-Bit ECU
Starting System    Electric
Transmission:5-speed w/reverse; wet multiplate clutch
Drive Train:2WD; sealed O-ring chain, eccentric adjustment
Chassis
Suspension/Front:Independent double wishbone w/piggy back High-/Lo-speed compression, rebound and threaded preload adjustment, 9.1-in travel
Suspension/Rear:Cast aluminum swing arm w/rebound, High-/Lo-speed compression and threaded preload adjustment, 10.1-in travel
Brakes/Front:Dual ventilated hydraulic disc, twin piston
Brakes/Rear:Ventilated hydraulic disc, self adjusting park brake function
Tires/Front:AT21 x 7-10 radial
Tires/Rear:AT20 x 10-9 radial
Dimensions
L x W x H:72.6 x 46.1 x 44.5 in
Seat Height:32.0 in
Wheelbase:50.4 in
Ground Clearance:4.4 in
Fuel Capacity:2.9 gal
Wet Weight:422 lb
Other
Lighting:Dual 30W Krypton multi-reflector headlights & 3.9/0.5W LED brakelight