F 800 ST Technical Data

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

Max. output

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

Max. torque

86 Nm at 5,800 rpm (with output reduction: 55 Nm at 3,500 rpm)

Compression ratio

12.0 : 1

Mixture control / engine management

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

Valve/gas control

Emission control

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

Performance / fuel consumption

Speed

Over 200 km/h

Fuel consumption at a steady 90 km/h (56 mph)

3.4 l

Fuel consumption at a steady 120 km/h (75 mph)

4.4 l

Fuel type

Unleaded super, minimum octane rating 95 (RON)

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 guidance/ spring elements

Telescopic fork, O 43 mm

Rear wheel guidance/ spring elements

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

140 mm 140 mm

Wheelbase

1,466 mm

Castor

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 Standard

Optional extra: BMW Motorrad ABS

Dimensions / weights

Length

2,082 2,195 mm

Width (incl. mirrors)

860 mm

Height (excl. mirrors)

1,155 1,225 mm

Seat height, unladen weight

840 mm (low seat: 815 mm)

Inner leg curve, unladen weight

1,850 mm (low seat: 1,820 mm)

Unladen weight, road ready, fully fuelled 1

204 209 kg

Dry weight 2

182 187 kg

Permitted total weight

405 kg

Payload (with standard equipment)

201 196 kg

Usable tank volume

16.0 l

Reserve

approx. 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