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Key Specifications
Engine
Four stroke, two cylinder horizontally opposed Boxer, with two overhead, spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, Intake 40mm, outlet 34 mm
Power
136 hp / 100 kW @ 7750 rpm
Torque
143 Nm / 105.4 lb-ft @ 6250 rpm
Fuel Capacity
25 Litres / 6.6 US gal
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Full 2021 BMW R 1250RT Specifications
Year
2021
Make Model
BMW R 1250RT
Seat Height
805 mm to 825 mm / 31.6 in to 32.4 in 830 mm to 850 mm / 32.6 in to 33.4 in - SE high seat 760 mm to 780 mm / 29.9 in to 30.7 in - low seat
Wheelbase
1485 mm / 58.4 in
Length
2222 mm / 87.4 in
Width
985 mm / 38.7 in
Fuel Capacity
25 Litres / 6.6 US gal
Max Load
505 kg / 1113.3 lbs
Wet Weight
279 kg / 615 lbs
Displacement
1254 cc / 76.5 cu-in
Engine Detail
Four stroke, two cylinder horizontally opposed Boxer, with two overhead, spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, Intake 40mm, outlet 34 mm
Bore x Stroke
102.5 x 76 mm
Compression Ratio
12.5:1
Cooling System
Liquid / Air cooled
Emissions
Closed-loop three-way catalytic converter, compliant with Euro 5 emission standard
Engine Management
Digital engine control: BMS-O with e-gas
Fuel Induction
Electronic intake pipe fuel injection, 52mm throttle valve
Fuel Type
Super petrol unleaded, octane number 95 (ROZ), adaptation through engine control (91 to 98 ROZ)
Starter
Electric
Battery Capacity
12 V / 11.8 Ah, maintenance-free
Clutch
Wet clutch with anti-hopping function, hydraulically activated
Final Drive
Shaft
Gear Ratios
1st (2.438) 2nd 1.714 3rd. 1.296 4th 1.059 5th 0.943 6th 0.848
Primary Drive Ratios
1.650
Secondary Drive Ratio
1.061
Transmission / Drive
6-speed helical synchromesh gearbox
Frame Type
Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine
Suspension - Front
BMW Motorrad 37mm Telelever, central spring strut
Suspension - Rear
Cast aluminium single-sided swinging arm with BMW Motorrad Paralever, WAD spring strut, spring preload continuously and hydraulically adjustable via adjuster knob, adjustable rebound-stage damping via adjuster knob
Steering Angle
64.1°
Trail
116 mm / 4.5 in
Wheel Travel - Front
120 mm / 4.7 in
Wheel Travel - Rear
136 mm / 5.3 in
Brakes - Front
2x 320mm floating discs, 4-piston radial brake calipers
Brakes - Rear
Single 276mm disc, 2-piston floating caliper
ABS
BMW Motorrad full integral ABS Pro (full integral braking, lean optimised)
Rims - Front
3.50 x 17
Rims - Rear
5.50 x 17
Tyres - Front
120/70 ZR17
Tyres - Rear
180/55 ZR17
Wheels
Die-cast aluminium
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