BMW F 800ST (2009)

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The BMW F 800ST motorcycle, released in 2009, has a four-stroke, parallel twin-cylinder engine with a 798cc capacity and a bore and stroke of 82 x 75.8 mm. It has a compression ratio of 12.0:1 and is liquid-cooled with dry sump lubrication. The bike is equipped with electronic intake injection and uses knock control and oxygen sensors for ignition. It has a three-phase alternator 400 W and a 12V/14 Ah, maintenance-free battery with electric starting. The F 800ST produces a maximum power of 62.5 kW/85 hp at 8000 rpm and maximum torque of 80 Nm/8.2 kgf-m/59 lb-ft at 5800 rpm. It has a cable-operated multiplate-plate wet clutch and a six-speed transmission with a belt drive and shock damper final drive. The front suspension includes 43mm telescopic forks and a die-cast aluminum single-sided swinging arm with rear wheel axle and eccentric adjustment, central spring stud, spring pre-load hydraulic adjustments, and rebound damping adjustments. The bike has a bridge-type aluminum frame, cast aluminum wheels, and 320mm disc 4 piston caliper front brakes and a single 265mm disc 2 piston caliper rear brake. The dimensions include a length of 2195mm, width of 860mm, height of 1225mm, and a wheelbase of 1466mm with a seat height of 820mm. The bike has a dry weight of 187 kg and a fuel capacity of 16 liters. Its performance includes a standing quarter-mile of 12.2 seconds and a top speed of 219.7 km/h or 136.5 mph. The BMW F 800ST has been reviewed by several motorcycle publications.

Technical specifications:

Make Model: BMW F 800ST

Year: 2009


Engine: Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder
Capacity: 798 cc / 47.7 cub. in.
Bore x Stroke: 82 x 75.8 mm
Compression Ratio: 12.0:1
Cooling: Liquid cooled
Lubrication: Dry sump
Induction: Electronic intake injection
Ignition: Knock control and oxygen sensors
Alternator: Three-phase alternator 400 W
Battery: 12V / 14 Ah, maintenance-free
Starting: Electric
Max Power: 62.5 kW / 85 hp @ 8000 rpm
Max Torque: 80 Nm / 8.2 kgf-m / 59 lb-ft. @ 5800 rpm
Clutch: Cable-operated multiplate-plate wet clutch
Transmission: 6 Speed

Final Drive: Belt drive with shock damper
Gear Ratio: 1st 2.46 / 2nd 1.75 / 3rd 1.38 / 4th 1.17 / 5th 1.04 / 6th 0.96:1
Frame: Bridge-type aluminium frame
Front Suspension: 43mm Telescopic forks
Front Wheel Travel: 140 mm / 5.5 in.
Rear Suspension: Die-cast aluminium single sided swinging arm with rear wheal axle and eccentric adjustment, central spring stud , spring pre-loaded hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable.
Rear Wheel Travel: 140 mm / 5.5 in
Front Brakes: 2 x 320 mm discs, 4 piston calipers
Rear Brakes: Single 265 mm disc, 2 piston caliper
Wheels: Cast aluminium
Rim, Front: 3.50 x 17″
Rim, Rear: 5.50 x 17″
Front Tyre: 120/70 ZR17
Rear Tyre: 180/55 ZR17
Castor: 95 mm / 3.7 in.
Steering Head Angle: 64.2 degrees
Dimensions: Length 2195 mm / 86.4 in. Width 860 mm / 33.9 in. (incl. mirrors) Height 1225 mm / 48.2 in. (excl. mirrors)
Wheelbase: 1466 mm / 57.7 in.
Seat Height: 820 mm / 32.3 in. (low seat: 790 mm / 31.1 in.)
Dry Weight: 187 kg / 412 lbs

Wet-Weight: 209 kg / 461 lbs
Fuel Capacity: 16 Litres / 4.2 US gal.
Standing 1/4 Mile: 12.2 sec
Top Speed: 219.7 km/h / 136.5 mph
Reviews: Motorbikes Today / MCNews / MCNews / Motorcycle-USA / Motorrad

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