BMW F 850 GS 2021 vs. KTM 790 Duke 2018

BMW F 850 GS 2021

KTM 790 Duke 2018

Overview - BMW F 850 GS 2021 vs KTM 790 Duke 2018

BMW F 850 GS 2021

KTM 790 Duke 2018

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Details

Technical Specifications BMW F 850 GS 2021 compared to KTM 790 Duke 2018

BMW F 850 GS 2021

KTM 790 Duke 2018

BMW F 850 GS 2021

KTM 790 Duke 2018

Engine and Drive Train

Engine type	Engine type	In line	Engine type	In line
Bore	Bore	84 mm	Bore	88 mm
Stroke	Stroke	77 mm	Stroke	65.7 mm
Engine power	Engine power	95 HP	Engine power	105 HP
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Lubrication	Lubrication	Dry sump	Lubrication	Forced
Displacement	Displacement	853 ccm	Displacement	799 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	43 mm	Diameter	43 mm
Travel	Travel	204 mm	Travel	140 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Shock mount	Shock mount	direct	Shock mount	Deflection
Travel	Travel	219 mm	Travel	150 mm
Adjustment	Adjustment	Preload, Rebound	Adjustment	Preload
Material	Material	Aluminium	Material	Aluminium

Chassis

Frame	Frame	Steel	Frame	Chromium-molybdenum
Frame type	Frame type	Tubular, Load-bearing engine	Frame type	Tubular
Rake	Rake	62 degree	Rake	66 degree

Brakes Front

Type	Type	Double disk	Type	Double disk
Diameter	Diameter	305 mm	Diameter	300 mm
Piston	Piston	Double piston	Piston	Four pistons
Actuation	Actuation	Hydraulic	Actuation	Hydraulic

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	265 mm	Diameter	240 mm
Piston	Piston	Single piston	Piston	Double piston

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS	Advanced Rider Assistance Systems	ABS, Riding modes, Traction control

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	120 mm
Front tyre height	Front tyre height	90 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	150 mm	Rear tyre width	180 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	55 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Wheelbase	Wheelbase	1,593 mm	Wheelbase	1,475 mm
Seat Height	Seat Height	860 mm	Seat Height	825 mm
Fuel Tank Capacity	Fuel Tank Capacity	15 l	Fuel Tank Capacity	14 l
License compliancy	License compliancy	A	License compliancy	A

Pros and Cons in comparison

BMW F 850 GS 2021

The BMW F 850 GS also scores points in 2022 with its pleasant ergonomics and accessible character. Operation is easy and you quickly feel comfortable on the motorbike. The longer the tour, the more you miss the finesse in the details. The damping of the fork is too lax and not adjustable. The engine gets a bit boring in the long run, and the gearstick and quickshifter are always stiff. In direct comparison with other touring enduros, it is always somewhat overshadowed by more exciting models.

Good wind and weather protection

well thought-out operating concept

practical equipment

very accessible operation and driveability in everyday use

good seat comfort

great connectivity solution

Vibrations in the upper rev range

boring engine

stiff quickshifter gearstick

front damping too lax

fork not adjustable

ponderous feel

front brake could do with more bite.

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KTM 790 Duke 2018

The KTM 790 Duke L is an absolutely sporty naked bike with a high fun factor. Whether a beginner rider can handle it depends very much on his or her personality and riding behaviour. There are certainly motorbikes better suited for learning, but sporty radius hunters will hardly be satisfied with anything else. The 790 Duke L is also rather unenthusiastic about everyday rides in the city. On the country road, however, it's a blast, even with only 48 hp. Simply a fun bike as it is written in the book.

Lively, high-revving engine with powerful acceleration

optimally tuned chassis for sporty riding

awesome sound even with series muffler

many electronic gimmicks and functions

extremely precise quickshifter that makes fast riding even easier

comfortable seating position

Rough handling at low revs

bitchy in city traffic

sometimes fiddly-looking switches on the handlebars

oil leak at the engine block on many 790 Dukes