KTM 690 Duke (2014) vs BMW C 400X (2020) vs KTM 125 Duke (2017) vs Honda XLV 750 (1984) vs Suzuki GSX 400F Impulse (2004-07) vs KTM RC 390 (2017)

Comparison technical specifications

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Make:	KTM	BMW	KTM	Honda	Suzuki	KTM
Model:	690 Duke	C 400X	125 Duke	XLV 750	GSX 400F Impulse	RC 390
Years:	2014	2020	2017	1984	2004-07	2017
Engine:	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, Single cylinder, SOHC, 4 Valves, with rocker arm.	Four stroke, Single cylinder, DOHC, 4 Valve	Four stoke, 45°V-four cylinders, SOHC. 3 valves per cylinder	Four stroke, in-line 4 cylinders, DOHC, 4 valves per cylinder	Four stroke, single cylinder. DOHC with finger followers, 4 Valve per cylinder
Capacity:	690 cc / 42.1 cu in	350 cc / 21.3 cub in.	124.7 cc / 7.6 cu-in	749 cc / 45.7 cu-in	399 cc / 24.3 cu in	373 cc / 22.7 cu-in
Bore x Stroke:	102 x 84.5 mm	80 x 69.6 mm	58 x 47.2 mm	79.5 x 75.5 mm	52 x 47 mm	89 x 60 mm
Compression Ratio:	12.6:1	11.5:1	14.5:1	8.4:1	11.8:1	12.6:1
Induction:	Generation Keihin EMS with EPT (Electric Power Throttle)	Fuel injection, BMS-E2 40mm throttle valve diameter	Bosch Electronic fuel injection	2x Keihin VD Throttle bore 36 mm	4 x 29 mm Carburetors	Bosch Injection
Starting:	Electric	Electric, 500 kW	Electric	Electric	Electric	Electric
Max Power:	52.2 kW / 70 hp @ 7500 rpm	25.3 kW / 34 hp @ 7500 rpm	11.3 kW / 15 hp @ 10500 rpm	61 hp / 45 kW @ 7000 rpm	44 kW / 59 hp @ 12000 rpm	32 kW / 43 hp @ 9500 rpm
Max Torque:	69.8 Nm / 7.1 kgf-m / 51.6 ft-lb @ 6550 rpm	34.3 Nm / 25.8 lb-ft @ 6000 rpm	12 Nm / 1.22 kgf-m / 8.85 ft-lb @ 8000 rpm	7 kgf-m / 68.4 Nm @ 5500 rpm	37 Nm / 3.8 kgf-m / 27.3 lb-ft @ 10500 rpm	3.6 kgm /35.3 Nm @7250 rpm
Transmission:	6 Speed	Continuously variable CVT belt transmission	6 Speed	5 Speed	6 Speed	5 Speed
Final Drive:	Chain X-Ring 5/8 x 5/16"	Gear reduction cog wheel pairing	Chain 5/8 x 1/4" X ring	Shaft	Chain	Chain 5/8 x 1/4” X‑Ring
Front Suspension:	WP Upside-down forks, 4357 ROMA	35mm Telescopic forks.	43 mm WP USD fork	Telescopic forks	Telescopic forks	WP Suspension Up Side Down
Rear Suspension:	WP monoshock, 4618 with Pro-lever deflector	Aluminum double-sided swing arm, double spring strut, adjustable spring preload	WP monoshock	Air assisted Pro-Link	Dual shocks, preload adjustable.	WP Monoshock
Front Brakes:	Single 320 mm floating disc, radially screwed four-piston brake caliper	2x 265mm Rigid discs 4 piston caliper.	Single 3000 mm disc, 4 piston radial fixed caliper	Single 276mm disc 2 piston caliper	2 x 290 mm Discs, 2 piston calipers	Single 320 mm disc 4 piston radial caliper
Rear Brakes:	Single 240 mm floating disc, single piston caliper	Single 265mm disc 1 piston caliper.	Single 230 mm disc, single piston floating caliper	Drum	Single disc, 1 piston caliper	Single 230 mm disc 1 piston caliper
Front Tyre:	120/70 - ZR17 M/C 58W TL	120/70 ZR15	110/70 -17	90/90 21	110/80-17	110/70 R17
Rear Tyre:	160/60 - ZR17 M/C 69W TL	150/70 ZR14	150/60 -17	130/80 17	130/80-17	150/60 R17
Seat Height:	835 mm / 32.9 in	775 mm / 30.5 in	830 mm / 32.7 in	855 mm / 33.6 in	760 mm / 29.9 in	820 mm / 32.2 in
Fuel Capacity:	14 Litres / 3.7 US gal / 3.1 Imp gal	12.8 Litres / 3.4 US gal	13.4 L / 3.5 US gal / 2.9 Imp gal	19.5 Litres / 5.1 US gal	18 Litres / 4.8 US gal / 4.0 Imp gal	10 Liters / 2.64 lbs