BMW F 850 GS Adventure 2021 vs. BMW G 650 GS Sertao 2015

Technical Specifications BMW F 850 GS Adventure 2021 compared to BMW G 650 GS Sertao 2015

BMW F 850 GS Adventure 2021

BMW G 650 GS Sertao 2015

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Differences

BMW F 850 GS Adventure 2021

BMW G 650 GS Sertao 2015

Engine and Drive Train

Bore	Bore	84 mm	Bore	100 mm
Stroke	Stroke	77 mm	Stroke	83 mm
Engine power	Engine power	95 HP	Engine power	48 HP
Rpm at Max. Power	Rpm at Max. Power	8,250 rpm	Rpm at Max. Power	6,500 rpm
Torque	Torque	92 Nm	Torque	60 Nm
Rpm at Torque	Rpm at Torque	6,250 rpm	Rpm at Torque	5,000 rpm
Compression Ratio	Compression Ratio	12.7	Compression Ratio	11.5
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	6	Number of gears	5
Cylinders	Cylinders	2	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Displacement	Displacement	853 ccm	Displacement	652 ccm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Tubular, Load-bearing engine	Frame type	Twin Tube

Brakes Front

Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper
Actuation	Actuation	Hydraulic	Actuation	Hydraulic

Brakes Rear

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

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	90 mm
Front tyre height	Front tyre height	90 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre width	Rear tyre width	150 mm	Rear tyre width	130 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	2,300 mm	Length	2,185 mm
Width	Width	939 mm	Width	920 mm
Wheelbase	Wheelbase	1,593 mm	Wheelbase	1,484 mm
Seat Height	Seat Height	875 mm	Seat Height	860 mm
Fuel Tank Capacity	Fuel Tank Capacity	23 l	Fuel Tank Capacity	14 l
License compliancy	License compliancy	A	License compliancy	A2