BMW F650 GS

Engine

Type Liquid-cooled single-cylinder
Bore x Stroke 100.0 mm x 83.0 mm
Displacement 652 cc
Horsepower 50 bhp @ 6500 rpm
Torque 44 lb/ft @ 5000 rpm
Compression Ratio 11.5 :1
Valve Gear DOHC, chain-driven with bucket tappets
Valves 2.0 x 36.0 mm intake / 2.0 x 31.0 mm exhaust
Valves / Cylinder Four
Engine Oil Capacity 2.4 quarts
Engine Management BMS-C II with two spark ignition
Fuel Requirement Premium Unleaded
Fuel Tank HDPE, internal pump and external filter
Fuel Capacity 4.0 U.S. gallons including 1 gallon reserve
Charging System 400 Watts @ 14 Volts
Battery 12 Volts 12 Amps/hour
Cooling System Single Radiator, 50/50 water/anti-freeze mix

Drivetrain

Primary Drive Straight-cut gear 37 / 72 = 1:1.946
Clutch Multiple plate in oil bath
1st Gear Ratio 2.75:1
2nd Gear Ratio 1.75:1
3rd Gear Ratio 1.31:1
4th Gear Ratio 1.05:1
5th Gear Ratio 0.88:1
6th Gear Ratio N/A
Final Drive System 520 O-ring, roller-type chain
Final Drive Ratio 2.937:1

Frame and Suspension

Frame Bridge-type with bolted-on rear section
Front Suspension 41 mm telescopic fork w/stabilizer bridge
Front Travel 6.7 inches
Rear Suspension Central spring strut actuated by lever-linkage
Rear Travel 6.5 inches

Brakes

Brake System Front and rear disc with optional ABS
Front Brakes One, two-piston floating caliper
Front Rotor 11.8 inch fixed rotors
Rear Brake One, single-piston floating caliper
Rear Rotor 9.5 inch fixed rotor
Actuation Method Hydraulic, DOT 4 fluid type

Wheels and Tires

Front Wheel 2.50 x 19 wire-spoke
Rear Wheel 3.00 x 17 wire-spoke
Front Tire 100/90 x 19 tube-type
Rear Tire 130/80 x 17 tube-type

Dimensions

Overall Length 85.6 inches
Overall Width 35.8 inches
Wheelbase 58.2 inches
Ground Clearance 5.1 inches
Seat Height 30.7 inches
Steering Angle 60.8 degrees
Front Wheel Trail 4.5 inches
Weight - Dry 387 lbs. excluding options & accessories
Weight - Wet 423 lbs. excluding options & accessories
Maximum Load 837 lbs. GVWR