KTM 990 Adventure R Dakar (2011) vs KTM 250 Duke (2015-17) vs Aprilia SMV 750 Dorsoduro (2007) vs Vespa GTS 125 i-get (2017-) vs Derbi Mulhacén 125 (2007-) vs KTM 990 Adventure R (2011) vs Buell / EBR Buell XR9R Firebolt (2006) vs KTM 300 EXC-E Enduro Six Days (2011-12) vs Aprilia Pegaso 650 Strada (2006-07) vs Aprilia SR Motard 125 (2012-14) vs Buell / EBR Buell 1125CR (2010) vs BMW K 1600 GT (2021) vs Aprilia SL 750 GT Shiver (2011)

Comparison technical specifications

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Make:	KTM	KTM	Aprilia	Vespa	Derbi	KTM	Buell / EBR	KTM	Aprilia	Aprilia	Buell / EBR	BMW	Aprilia
Model:	990 Adventure R Dakar	250 Duke	SMV 750 Dorsoduro	GTS 125 i-get	Mulhacén 125	990 Adventure R	Buell XR9R Firebolt	300 EXC-E Enduro Six Days	Pegaso 650 Strada	SR Motard 125	Buell 1125CR	K 1600 GT	SL 750 GT Shiver
Years:	2011	2015-17	2007	2017-	2007-	2011	2006	2011-12	2006-07	2012-14	2010	2021	2011
Engine:	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Four stroke, longitudinal 90°V twin, DOHC, 4 valves per cylinder	Four stroke, single cylinder, SOHC, 3 valve	Two stroke, single cylinder	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder.	Two stroke, single cylinder, with reed intake and exhaust control	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, 72° V-Twin	Four stroke, transverse six cylinder, 4 valves per cylinder	Four stroke, longitudinal 90°V twin, DOHC, 4 valves per cylinder
Capacity:	999.8 cc / 60.9 cu-in	248.8 cc / 15.2 cu in	749.9 cc / 45.7 cu-in	124.7 cc / 7.6 cu in	124.7 cc / 7.6 cu-in	999.8 cc / 60.9 cu-in	984 cc / 60 cu in	293 cc / 17.9 cu in	659 cc / 40.2 in	124 cc / 7.6 cu in	1125 cc / 68.7 cu in	1649 cc / 100.6 cu in.	749 cc / 45.7 cu-in
Bore x Stroke:	101 x 62.4mm	72 x 61.1 mm	92 x 56.4 mm	52 x 58.7 mm	56 x 50 mm	101 x 62.4mm	88.9 x 79.4 mm	72 x 72 mm	100 x 84 mm	57 x 48.6 mm	103 x 67.5 mm	72 x 67.5 mm	92 x 56.4 mm
Cooling System:	Liquid cooling	Liquid cooling system, continuous circulation of cooling liquid with water pump	Liquid cooled	Liquid cooling	Liquid cooled	Liquid cooling	Air cooled	Liquid cooled	Liquid cooled	Forced air	Liquid cooled	Liquid cooled	Liquid cooled
Induction:	Keihin Electronic Fuel Injection EMS	Bosch EFI	Integrated engine management system. Latest generation 3 maps (Sport, Touring, Rain) Ride-by-Wire throttle management.	Electronic fuel injection	28mm Mikuni	Keihin Electronic Fuel Injection EMS	DDFI fuel injection, Ø45 mm downdraft	Keihin PWK36 S AG carburetor	Electronic fuel injection. Ø44mm throttle body	Electronic injection	Dual Ø61 mm downdraft throttle Bbodies, DDFI III Fuel Injection System	52mm Throttle valve diameter, BMS-X	Integrated engine management system. Injection with Ride by Wire technology control of the throttle bodies
Final Drive:	Chain, X-Ring 5/8 x 5/16"	Chain 520 O-Ring 5/8 x 1/4"	Chain	Belt	Chain	Chain, X-Ring 5/8 x 5/16"	Kevlar belt	Chain, Regina O-ring	Chain	Belt	Belt	Shaft	Chain Transmission ratio: 16/44
Frame:	Tubular cromoly spaced frame. powered coated	Steel trellis frame, powder coated, steel sub frame, aluminium, tapered, Ø 26/22 mm handlebar.	Modular steal trellis secured to albumin side plates by high steal bolts.	Pressed steel sheetmetal with welded reinforcements	Tubular steel frame	Tubular cromoly spaced frame. powered coated	Hollow aluminium twin-spar frame doubles as the fuel tank	Central double cradle, CrMo4	Steel, open cradle, single spar frame	Single cradle structure in tubular steel with pressed reinforcements	Aluminium frame with fuel in frame.	Bridge-type frame, cast aluminium, load-bearing engine	Dismountable steel trellis connected with high strength bolts to aluminium side plates. Dismountable rear frame.
Front Suspension:	48mm WP USD forks	WP-USD Ø 43 mm.	Ø43 mm Upside-down fork.	Single arm suspension with coil spring and hydraulic shock absorber	37mm Telescopic forks 100mm wheel travel	48mm WP USD forks	Showa upside-down forks, adjustable for preload, compression & rebound damping	WP 48 mm upside down fork and shock	Ø45 mm Marzocchi telescopic fork	Hydraulic telescopic fork with straight stanchions	Ø47 mm Showa inverted forks, adjustable compression damping. rebound damping and spring preload. 120mm wheel travel.	Dual longitudinal control arm, Dynamic ESA semi-active suspension (road and dynamic modes)	Ø43 mm upside-down fork.
Rear Suspension:	WP-PDS rear shock, hydraulic spring preload	WP-Monoshock	Aluminium alloy swingarm with reinforcement truss. Hydraulic shock absorber adjustable in spring preload and rebound damping.	Double hydraulic shock absorbers with adjustable preload with 4 settings	Monoshock 130mm wheel travel	WP-PDS rear shock, hydraulic spring preload	Showa shock absorber, adjustable for preload, compression & rebound damping	Fully adjustable WP-PDS mono-shock	High strength steel swingarm. Aprilia Progressive System (APS) rising rate linkages. Sachs hydraulic monoshock with adjustable rebound and preload.	Single arm with engine crankcase as swinging element, served by a single dual chamber shock with 4-setting adjustable spring preload	120 mm / 4.7"	Paralever (single-sided swing arm), central spring strut, rebound/continuously variable, Dynamic ESA semi-active suspension (road and dynamic modes)	Aluminium alloy swingarm with reinforcement truss. Hydraulic shock absorber adjustable in spring preload and rebound damping.
Front Brakes:	2x 300mm Brembo discs 2 piston calipers	Single 300 mm disc, 4 piston caliper	2 x Ø320 mm discs, 4 piston caliper	Single 220 mm stainless steel disc, Hydraulically operated	Single 280mm disc	2x 300mm Brembo discs 2 piston calipers	ZTL-type brake, 6-piston fixed caliper, Ø375 mm single sided, inside out, stainless steel, floating rotor	Single260 mm disc, 2 piston caliper	Single Ø320 mm disc, 2 piston floating caliper, Brembo	Single Ø220 mm disc, 2 x Ø25.4 mm dual piston floating caliper	ZTL type brake, 6-piston, fixed caliper, Ø375 mm single-sided, inside out, stainless steel, floating rotor	2 x 320mm discs, 4 piston calipers	2 x Ø320 mm discs, 4 piston caliper
Rear Brakes:	Single 240mm Brembo disc 1 piston caliper	Single 230 mm disc, 1 piston caliper, floating	Single Ø240 mm disc, 1 piston caliper	Single 220 mm stainless steel disc, Hydraulically operated	Single 220mm disc	Single 240mm Brembo disc 1 piston caliper	Single Ø230 mm disc, 1 piston caliper	Single 220 mm disc, 1 piston caliper	Single Ø240 mm disc, 1 piston floating caliper, Brembo	Ø140 mm Drum	Single Ø240 mm disc, 2 piston floating caliper	Single 320mm disc, 2 piston caliper	Single Ø245 mm disc, 2 piston caliper
Front Tyre:	90/90 -21	110/70 - ZR17 M/C 54W TL	120/70 ZR17	120/70-12, Tubeless	100/90 -18	90/90 -21	120/70 ZR17 Dunlop D207FY	80/100 - 21, 51M TT	100/90-19	120/70 - 14	120/70 ZR17, Pirelli Diablo Corsa III	120/70 ZR17	120/70 ZR17
Rear Tyre:	150/70 -R18	150/60 - ZR17 M/C 66W TL	190/55 ZR17	130/70-12, Tubeless	130/80 -17	150/70 -R18	180/55 ZR17 Dunlop D207FU	110/8100 - 18 64M TT	130/80-17	120/70 - 14	180/55 ZR17, Pirelli Diablo Corsa III	190/55 ZR17	180/55 ZR17
Seat Height:	905 mm / 35.6 in	800 mm / 31.5 in	870 mm / 34.2 in	790 mm / 31.1 in	750 mm / 29.5 in	905 mm / 35.6 in	775 mm / 30.5"	945 mm / 37.2 in	820 mm / 32.3 in	775 mm / 30.5 in	775 mm / 30.5"	810 - 830 mm / 31.9 - 32.7" (standard) 780 - 800 mm / 30.7 - 31.5"(optional rider seat) 750 mm / 29.5" (special accessory seat, single-section)	810 mm / 31.6 in
Fuel Capacity:	19.5 Litres / 5.1 gal	11 L / 2.9 US gal / 2.4 Imp gal	12 Litres / 3.17 US gal	7 Litres / 1.8 US gal / 1.5 Imp gal	11 Litres / 2.9 US gal	19.5 Litres / 5.1 gal	14 L / 3.7 US gal	9.5 L / 2.5 US gal / 2.1 Imp gal	16 Litres / 4.2 US gal	7 liters / 1.8 US gal	21.2 L / 5.6 US gal	26.5 Litres / 7.0 US gal	15 Litres / 3.9 US gal