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10/2008
Page 58
Power Unit
Confi guration Water-cooled four-stroke straight-four,
two camshafts, four valves per cylinder
Bore x stroke 80 mm x 64.3 mm (3.15 x 2.53")
Capacity 1,293 cc
Max output 127 KW (173 hp) at 9,250 rpm
Max torque 140 Nm/103 lb-ft at 8,250 rpm
Compression ratio 13.0 : 1
Fuel supply/
engine management
Electronic fuel injection, Digital Motor Electronics
with integrated knock control (BMS-K)
Valve/gas control DOHC (double overhead camshaft)
Diameter inlet 32
Diameter outlet 27,5
Throttle valve diameter 46
Exhaust management Fully controlled three-way catalyst,
EU3 emission standard
Performance/
fuel consumption
Top speed 200 km/h (124 mph) +
Fuel consumption at
a steady 90 km/h (56 mph)
5.0 ltr/100 km
Fuel consumption at
a steady 120 km/h (75 mph)
5.8 ltr/100 km
Fuel grade Premium Plus, unleaded, 98 RON; automatic knock
control also enabling the engine to run on premium
fuel down to 95 RON
Electrical System
Alternator 580 W three-phase alternator
Battery 12 V/14 Ah, maintenance-free
Power Transmission
Clutch Multiple-plate clutch in oil bath, hydraulically operated
Gearbox Dog-shift six-speed gearbox
Primary Transmission 1,559
Transmission, gear stages
I2,398
II 1,871
III 1,525
IV 1,296
V1,143
VI 1,015
Secondary drive Drive shaft
2.4 Specifi cations.
BMW K 1300 R.