BMW R 1100 S User Manual

70
Technical data
3
Clutch Single dry plate with over-centre
action diaphragm spring and
starter ring gear, attached to crank-
shaft.
Hydraulic operation.
Clutch plate diameter 165 mm
Gearbox 6-speed with claw shift and integral
torsional vibration damper
Gear ratios 1
st
gear = 3.863
2
nd
gear = 3.022
3
rd
gear = 2.393
4
th
gear = 1.961
5
th
gear = 1.700
6
th
gear = 1.511
Secondary drive from
gearbox to rear wheel
By shaft protected within hollow
swinging arm of Paralever rear
suspension, with integral torsional
vibration damper and two universal
joints.
Final drive Crown wheel and pinion with Pal-
loid teeth, running in anti-friction
bearings; rear wheel directly flange-
mounted to rear of crown wheel.
Final drive ratio 1 : 2.75
Transmission
20sbkg7.book Seite 70 Mittwoch, 2. Juni 2004 8:58 08

BMW R 1100 S Specifications

General

Displacement	1085 cc
Bore x Stroke	99 mm x 70.5 mm
Compression Ratio	10.3:1
Transmission	5-speed
Final Drive	Shaft drive
Fuel System	Electronic fuel injection
Rear Brakes	Single 276 mm disc, 2-piston caliper
Front Tyre	120/70 ZR 17
Rear Tyre	170/60 ZR 17
Wheelbase	1, 478 mm
Fuel Capacity	18 liters
Engine Type	Air/oil-cooled, 4-stroke, flat twin
Power	98 hp @ 7, 500 rpm
Front Suspension	Telelever
Rear Suspension	Paralever
Seat Height	810 mm
Front Brakes	Dual 305 mm discs, 4-piston calipers