BMW R 1250 R 2021 vs. BMW S 1000 R 2020

Technical Specifications BMW R 1250 R 2021 compared to BMW S 1000 R 2020

BMW R 1250 R 2021

BMW S 1000 R 2020

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Differences

BMW R 1250 R 2021

BMW S 1000 R 2020

Engine and Drive Train

Engine type	Engine type	Boxer	Engine type	In line
Bore	Bore	102.5 mm	Bore	80 mm
Stroke	Stroke	76 mm	Stroke	49.7 mm
Engine power	Engine power	136 HP	Engine power	165 HP
Rpm at Max. Power	Rpm at Max. Power	7,750 rpm	Rpm at Max. Power	11,000 rpm
Torque	Torque	143 Nm	Torque	114 Nm
Rpm at Torque	Rpm at Torque	6,250 rpm	Rpm at Torque	9,250 rpm
Compression Ratio	Compression Ratio	12.5	Compression Ratio	12
Fuel system	Fuel system	Injection	Fuel system	Injection
Clutch Type	Clutch Type	Antihopping	Clutch Type	Multiplate in oil-bath, Antihopping
Transmission	Transmission	Prop shaft	Transmission	Chain
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	2	Cylinders	4
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Cooling	Cooling	liquid-air	Cooling	liquid
Displacement	Displacement	1,254 ccm	Displacement	999 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork

Suspension Rear

Suspension	Suspension	Single swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock

Chassis

Frame	Frame	Steel	Frame	Aluminium
Frame type	Frame type	Load-bearing engine	Frame type	Twin Tube

Brakes Front

Type	Type	Double disk	Type	Double disk
Piston	Piston	Four pistons	Piston	Four pistons
Technology	Technology	radial	Technology	radial

Brakes Rear

Type	Type	Disc	Type	Disc
Piston	Piston	Double piston	Piston	Single piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS, Anti-slipping control, Riding modes, Ride by Wire	Advanced Rider Assistance Systems	ABS, Riding modes

Dimensions and Weights

Front tyre width	Front tyre width	120 mm	Front tyre width	120 mm
Front tyre height	Front tyre height	70 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	190 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	55 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	2,165 mm	Length	2,057 mm
Width	Width	880 mm	Width	845 mm
Wheelbase	Wheelbase	1,515 mm	Wheelbase	1,439 mm
Seat Height	Seat Height	820 mm	Seat Height	814 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	239 kg	Kerb Weight (with ABS)	205 kg
Fuel Tank Capacity	Fuel Tank Capacity	18 l	Fuel Tank Capacity	17.5 l
License compliancy	License compliancy	A	License compliancy	A