KTM 690 Duke R (2011) vs Yamaha XS 250 DOHC (1984-) vs Yamaha TT 600 (1985-87) vs Suzuki RG 500 Gamma Walter Wolf (1987-88) vs KTM 690 Duke R (2015) vs Yamaha FZ 400R (1984) vs Yamaha XVS 125 Drag Star (2000-02) vs Cagiva Navigator 1000 (2004-05)

Comparison technical specifications

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Make:	KTM	Yamaha	Yamaha	Suzuki	KTM	Yamaha	Yamaha	Cagiva
Model:	690 Duke R	XS 250 DOHC	TT 600	RG 500 Gamma Walter Wolf	690 Duke R	FZ 400R	XVS 125 Drag Star	Navigator 1000
Years:	2011	1984-	1985-87	1987-88	2015	1984	2000-02	2004-05
Engine:	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, 180° parallel twin, DOHC, 2 valves per cylinder	Four stroke, single cylinder, SOHC, 4 Valve	Two stroke, square four cylinder, rotary valve with exhaust port valves	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, V-twin cylinder, SOHC, 2 valve per cylinder	Four stroke, 90°-V-twin, DOHC, 4 valves per cylinder (Suzuki TL1000)
Capacity:	690 cc / 42.1 cu in	248 cc / 15.2 cu-in	595 cc / 36.5 cu-in	498 cc / 30.4 cu in	690 cc / 42.1 cu in	399 cc / 24.3 cu-in	124 cc / 7.6 cu-in	996 cc / 60.7 cu-in
Bore x Stroke:	102 x 84.5 mm	56 х 50.6 mm	95 x 84 mm	56 x 50.6 mm	102 x 84.5 mm	54 x 43.6 mm	41 x 47 mm	98 X 66 mm
Cooling System:	Liquid Cooled	Air cooled	Air cooled	Liquid cooled	Liquid Cooled	Liquid cooled	Air cooled	Liquid cooled
Compression Ratio:	12.5:1	10.1:1	8.5:1	7.0:1	12.6:1	11.5:1	11.0;1	11.3:1
Induction:	Generation Keihin EMS with EPT (Electric Power Throttle)	2x 32mm Mikuni carburetors	27mm Dual stage Teikei Y27PVX1 carburetor	4 x 28mm Mikuni VM28SH Flatslide carburetors	Generation Keihin EMS with EPT (Electric Power Throttle)	4x Mikuni BDST32 carburetors	Carburetor	Electronic fuel injection
Ignition:	Kokusan DC-CDI	Coil and cb	CDI	Suzuki PEI	Kokusan DC-CDI	TCI Digital	TCI (Transistor Controlled Ignition)	Electronic, transistorized
Starting:	Electric	Kick	Kick	Kick	Electric	Electric	Electric	Electric
Max Power:	52.2 kW / 70 hp @ 7500 rpm	30 hp / 22.3 kW @ 10000 rpm	45 hp / 34 kW @ 6500 rpm	70 kW / 95 hp @ 9000 rpm	52.2 kW / 70 hp @ 7500 rpm	50 hp @ 11500 rpm )	13 hp / 9.5 kW @ 10000 rpm	99 ho / 73 kW @ 8500 rpm
Max Torque:	69.8 Nm / 7.1 kgf-m / 51.6 ft-lb @ 6550 rpm	2.2 kgf-m / 15.2 lb-ft @ 8500 rpm	50 Nm / 4.7 kgf-m @ 5500 rpm	72 Nm / 7.3 kgf-m 53.1 lb-ft @ 9000 rpm	69.8 Nm / 7.1 kgf-m / 51.6 ft-lb @ 6550 rpm	3.7 kgf-m @ 10000 rpm	9.4 Nm / 6.9 lb-ft @ 7500 rpm	95 Nm / 9.7 kgf-m @ 7000 rpm
Transmission:	6 Speed	6 Speed	5 Speed	6 Speed	6 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Chain X-Ring 5/8 x 5/16"	Chain	Chain	Chain, 2.500 (40/16)	Chain X-Ring 5/8 x 5/16"	Chain	Chain	Chain
Front Suspension:	WP Upside-down forks, 4860 ROMA	Telescopic forks	43mm Telescopic forks	Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing.	WP Upside-down forks, 4357 ROMA Split	Telescopic forks	Cartridge telescopic forks	45mm Telescopic hydraulic fork
Rear Suspension:	WP monoshock, 4618 with Pro-lever deflector	Dual shocks, swing arm, 5-position preload adjustable	Monocross single shock 20-way compression, reload and rebound adjustment.	Shock absorber, adjustable for spring preload	WP monoshock, 4618 with Pro-lever deflector	Monoshock	Dual shock, Swingarm	Progressive with hydraulic monoshock, preload and rebound damping adjustable.
Front Brakes:	Single 320 mm floating disc, radially screwed four-piston brake caliper	Single 267mm disc	Single 267mm disc	2 x 260 mm Discs, 4 piston calipers	Single 320 mm floating disc, radially screwed four-piston brake caliper	2x 282mm discs	Single 282 mm disc	2x 298mm discs 4 piston calipers
Rear Brakes:	Single 240 mm floating disc, single piston caliper	178mm Drum	150mm Drum	Single 210 mm disc, 2 piston caliper	Single 240 mm floating disc, single piston caliper	Single 210mm disc	130 mm Drum	Single 220mm disc 2 piston caliper
Front Tyre:	120/70 - R17	3.00-18	3.00-21	110/90 V16	120/70 - ZR17 M/C 58W TL	100/90-16	80/100-18	110/80-18
Rear Tyre:	160/60 - R17	3.50-18	4.60-18	120/90 V17	160/60 - ZR17 M/C 69W TL	120/80-18	130/90-15	150/70-17
Dry Weight:	148.5 kg / 327 in	165.5 kg / 365 lbs	138 kg / 304.2 lbs	156 kg / 339.5 lbs	149.5 kg / 330 in	166 kg / 366 lbs	135 kg / 297.6 lbs	210 kg / 463 lbs
Fuel Capacity:	13.5 Litres / 3.6 US gal / 3.0 Imp gal	14 Litres / 3.7 US gal	13 Litres / 3.4 US gal	22 Litres / 5.8 US gal / 4.8 Imp gal	14 Litres / 3.7 US gal / 3.1 Imp gal	18 Litres / 4.75 gal	11 Litres / 2.9 US gal	20 Litres / 5.3 US gal