Suzuki Boulevard C109RT (2010-12) vs KTM 990 Super Duke (2006) vs Suzuki Boulevard S40 (2017-18) vs Suzuki SV 650S (2003-04) vs KTM 640 LC4 Enduro (2005-07)

Comparison technical specifications

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Make:	Suzuki	KTM	Suzuki	Suzuki	KTM
Model:	Boulevard C109RT	990 Super Duke	Boulevard S40	SV 650S	640 LC4 Enduro
Years:	2010-12	2006	2017-18	2003-04	2005-07
Engine:	Four stroke, 54° V-Twin	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, SOHC	Four stroke, 90°-V-twin, DOHC, 4 valves per cylinder	Four stroke, single Cylinder. SOHC, 4 valves, engine balancer
Capacity:	1786 cc / 108.8 cu. in	999.8 cc / 60.9 cu-in	652 cc / 39.8 cu-in	645 cc / 39.4 cu-in	624.6 cc / 38.1 cu in
Bore x Stroke:	112 x 90.5mm	101 x 62.4mm	94 x 94.0 mm	81 x 62.6 mm	101 x 78 mm
Cooling System:	Liquid cooled	Liquid cooling,	Air cooled	Liquid cooled	Liquid cooled
Compression Ratio:	10.5:1	11.5:1	8.5:1	11.5:1	11.5:1
Lubrication:	Semi-dry sump	Dry-sump lubrication with 2 rotor pumps	Wet sump	Wet sump	2 x Eaten oil pumps
Induction:	EFI, 2 x 56 mm throttle bodies	Electronic fuel injection / electric	Mikuni BS40	Fuel Injection	Mikuni BST 40 carburetor
Ignition:	Electronic ignition (Transistorised)	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment	Transistorized	Digital transistorised	Kokusan contactless DC-CDI ignition with advanced system
Starting:	Electric	Electric	Electric	Electric	Electric & kick
Max Power:	92 kW / 123 hp @ 6200 rpm	88 kW / 120 hp @ 9000 rpm	23 kW / 31 hp @5400 rpm	54.7 kW / 73.4 hp @ 8800 rpm	40.1 kW / 55 hp @ 7000 rpm
Max Torque:	160 Nm / 16.3 kgf-m / 118 lb.ft @ 3200 rpm	100 Nm @ 7000 rpm	50 Nm / 5.1 kgf-m / 37 lb-ft @3400 rpm	64 Nm / 6.53 kg-m / 47.2 lb-ft @ 7200 rpm	55 Nm / 5.6 kgf-m / 40.6 lb-ft @ 5500 rpm
Clutch:	Wet multi-plate type	Wet multi-disc clutch, operated hydraulically	Wet, multiple discs, cable operated	Wet, multiple discs, cable operated	Multi-disc in oil bath
Transmission:	5 Speed	6 Speed	5 Speed	6 Speed	5 Speed
Final Drive:	Shaft	Chain, X-Ring 5/8 x 5/16"	Belt	Chain, #525 O-ring	Chain, O-ring 5/8 x 1/4"
Front Suspension:	Telescopic, coil spring, oil damped, 49 mm	48mm WP Upside down adjustable	Telescopic 38 mm stanchions, coil spring, oil damped	Telescopic 41 mm, coil spring, oil damped, fully adjustable preload	White Power – Up Side Down 4357 MXMA fork
Rear Suspension:	Link type, coil spring, oil damped, adjustable spring preload	WP shock, fully adjustable	Twin shock, 5-way adjustable spring preload	KYB single shock, adjustable spring preload	Central shock absorber (WP BAVP3612) with PRO-LEVER linkage to rear- swing-arm with needle bearing
Front Wheel Travel:	130 mm / 5.1 in	135 mm / 5.3 in	140 mm / 5.5 in	130 mm / 5.1 in	280 mm / 11.0 in
Front Brakes:	2 x 310 mm discs, 3 piston calipers	2x 320mm discs 4 piston calipers	265 mm Single disc	2 x 290 mm Discs, 2 piston calipers	Single 300 mm disc, 4 piston caliper
Rear Brakes:	Single 274mm disc, 2 piston caliper	Single 240mm disc 1 piston caliper	Drum, rod operated	Single 240 mm disc, 2 piston caliper	Single 220 mm disc, 1 piston caliper
Front Tyre:	150/80R16	120/70 ZR17	100/90-19 57H, tube type	120/60 ZR17	90/90 - 21
Rear Tyre:	240/55R16	180/55 ZR17	140/80-15 67H, tube type	160/60 ZR17	140/80 - 18
Wheelbase:	1755 mm / 68.3 in	1438 mm / 56.6 in	1480 mm / 58.3 in	1430 mm / 56.3 in	1510 mm / 59.4 in
Seat Height:	705 mm / 27.7 in	855 mm / 33.6 in	700 mm / 27.6 in	800 mm / 31.5 in	930 mm / 36.6 in
Ground Clearance:	135 mm / 5.3 in	165 mm / 6.4 in	135mm / 5.3 in	155 mm / 6.1 in	310mm / 12.2 in
Fuel Capacity:	19 L / 5.0 US gal	18.5 Litres / 4.8 gal	10.5 Litres / 2.6 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	12 L / 3.2 US gal / 2.6 Imp gal