Monday, February 16, 2009

BMW F 800 ST


Engine

Type Water-cooled, 2-cylinder, 4-stroke, four valves per cylinder, two overhead camshafts, dry sump lubrication

Bore x stroke 82 mm x 75.6 mm

Capacity 798 cc

Rated output 85 hp (62.5 kW) at 8,000 rpm (output reduction to 34 hp (25 kW) at 7,000 rpm possible)

Max. torque 63 lb/ft (86 Nm) at 5,800 rpm (with output reduction: 40.3 lb/ft [55 Nm] at 3,500 rpm)

Compression ratio 12.0 : 1


Mixture control / engine management Electronic intake pipe injection / digital engine management (BMS-K)

Emission control Closed-loop 3-way catalytic converter, emission standard EU-3

Performance / fuel consumption

Maximum speed Over 125 mph (200 km/h)

Fuel consumption per 100 km at constant 90 km/h 3.4 l

Fuel consumption per 100 km at constant 120 km/h 4.4 l

Fuel type Unleaded Premium

Electrical system

Alternator three-phase alternator 400 W

Battery 12 V / 14 Ah, maintenance-free

Power transmission

Clutch Multiple-disc clutch in oil bath, mechanically operated

Gearbox Constant mesh 6-speed gearbox integrated into crankcase

Drive Belt drive with shock damper


Chassis / brakes

Frame Bridge-type aluminium frame, load-bearing engine

Front wheel location / suspension Telescopic fork, Ø 43 mm

Rear wheel location / suspension Cast aluminium single-sided swing arm with eccentric adjustment for rear axle, central spring strut, spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable

Suspension travel front / rear 5.5 inches (140 mm) / 5.5 inches (140 mm)

Wheelbase 57.7 inches (1466 mm)

Castor 3.7 inches (95 mm)

Steering head angle 64.2°

Wheels Cast aluminium

Rim, front 3.50 x 17"

Rim, rear 5.50 x 17"

Tyres, front 120/70 ZR 17

Tyres, rear 180/55 ZR 17

Brake, front Twin disc, floating brake discs, diameter 320 mm, four-piston fixed calipers

Brake, rear Single disc, diameter 265 mm, single-piston floating caliper

ABS Optional extra: BMW Motorrad ABS


Dimensions / weights

Length 82 inches (2082 mm) / 86.4 inches (2195 mm)

Width (incl. mirrors) 31.4 inches (860 mm)

Height (excl. mirrors) 45.4 inches (1155 mm) / 48.2 inches (1225 mm)

Seat height, unladen weight 32.3 inches (820 mm) (low seat: 31.1 inches [790 mm])

Inner leg curve, unladen weight 71.3 inches (1810 mm) (low seat: 68.7 inches [1745 mm])

Unladen weight, road ready, fully fuelled 1) 450 lbs (204 kg) / 461 lbs (209 kg)

Dry weight 2) 401 lbs (182 kg) / 412 lbs (187 kg)

Permitted total weight 893 lbs (405 kg)

Payload (with standard equipment) 443 lbs (201 kg) / 432 lbs (196 kg)

Usable tank volume 4.1 U.S. gallons (16.0 l)

Reserve approx. 1 U.S. gallon (4.0 l)



1) According to guideline 93/93/EWG with all fluids, fuelled with at least 90% of usable tank volume
2) Unladen weight without fluids


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