KTM 640 LC4 Adventure (2002-03) vs Vespa 125, P125X, PX 125, PX 125 Arcobleno/Lusso, PK125 S, GTS Super (1977-97) vs Honda CBR 1000RR Fireblade Tricolour HRC (2012) vs Yamaha SR 500 (1974-75) vs Ducati Monster S2R 800 (2007) vs Triumph Rocket III Classic (2008-09)

Comparison technical specifications

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Make:	KTM	Vespa	Honda	Yamaha	Ducati	Triumph
Model:	640 LC4 Adventure	125, P125X, PX 125, PX 125 Arcobleno/Lusso, PK125 S, GTS Super	CBR 1000RR Fireblade Tricolour HRC	SR 500	Monster S2R 800	Rocket III Classic
Years:	2002-03	1977-97	2012	1974-75	2007	2008-09
Engine:	Four stroke, single Cylinder. SOHC, 4 Valve per cylinder,	Two stroke, single cylinder	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder.	Four stroke, single cylinder, SOHC, 2 valves per cylinder.	Four stroke, 90° “L”t win cylinder, SOHC, desmodromic 2 valves per cylinder.	Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder
Capacity:	624.6 cc / 38.1 cu in	123.4 cc 7.5 cub in	998 cc / 60.9 cu-in	499 cc / 30.4 cu-in	803 cc / 49.0 cu in	2294 cc / 140 cu in
Bore x Stroke:	101 x 78 mm	52.5 x 57.0 mm	76 x 55.1 mm	87 х 84 mm	88 x 66 mm	101.6 x 94.3 mm
Compression Ratio:	11.0:1	9.2:1	12.3:1	9.0:1	10.5:1	8.7:1
Ignition:	Contactless DC-CDI ignition with digital advanced system, KOKUSAN	Flywheel alternator, with built in H.T. coil	Computer-controlled digital transistorised with electronic advance	CDI	Marelli electronic	Digital inductive type via electronic engine management
Starting:	Kick & electric	Kick start	Electric	Kick	Electric	Electric
Max Power:	35.7 kW / 49 hp @ 7500 rpm	5.9 kW / 8 hp @ 5800 rpm	175.6 hp / 131.0 kW @ 12000 rpm	31.5 hp / 23.5 kW @ 6500 rpm	56.7 kW / 77 hp @ 8250 rpm	103.6 kW / 140 hp @ 5750 rpm
Max Torque:	52 Nm / 5.3 kgf-m / 38.4 lb-ft @ 5500 rpm	10.5 kW / 1.07 kgf-m / 7.7 ft/lb @ 4500 rpm	115 Nm / 11.73 kg-m @ 8500 rpm	36.3 Nm / 26.8 lb-ft @ 5500 rpm	73 Nm / 7.4 kgf-m / 54 ft-lbs @ 6500 rpm	200 Nm / 20.4 kgf-m / 147ft.lbf @ 2500 rpm
Transmission:	5 Speed, claw shifted	4 Speed, grip-shift, constant mesh	6 Speed	5 Speed	6 Speed	5 Speed
Final Drive:	Chain	Direct drive	#530 O-ring - sealed chain	Chain	Chain; Front sprocket 15; Rear sprocket 42	Shaft
Frame:	Central chrome-moly-steel frame	Pressed sheet steel, streamlined monocoque structure	Diamond; aluminium composite twin-spar	Half-duplex cradle	Tubular steel trellis	Tubular steel, twin spine
Front Suspension:	50 mm WP upside-down forks	Helical spring and double acting hydraulic dampers	43mm inverted HMAS cartridge-type telescopic fork with stepless preload, compression and rebound adjustment,	35mm telescopic forks	43 mm Upside-down non adjustable forks	43 mm Upside down forks
Rear Suspension:	WP monoshock	Helical spring and double acting hydraulic dampers	Unit Pro-Link with gas-charged HMAS damper featuring 10-step preload and stepless compression and rebound damping adjustment,	Dual shock, 5-way adjustable spring preload.	Progressive linkage with fully adjustable Sachs monoshock with piggy back aluminum swing arm	Chromed spring twin shocks with adjustable preload
Front Brakes:	Single 300mm disc, 4piston floating caliper	Drum, 125 mm	2x 320mm discs 4 piston calipers, Combined ABS and sintered metal pads	Single 200mm disc	2 x 300 mm Discs, 4 piston calipers	2 x 320mm Discs, 4 piston calipers
Rear Brakes:	Single 220mm disc, 1 piston floating caliper	Drum, 125 mm	Single 220mm disc, Combined ABS and sintered metal pads	150mm drum	Single 245 mm disc, 2 piston caliper	Single 316 mm disc, 2 piston caliper
Front Tyre:	90/90 - 21 54S Enduro 3	3.5 x 10"	120/70ZR-17	3.50 S19	120/70 - ZR17	150/80 V17
Rear Tyre:	140/80 - 18 70R Enduro 3	3.5 x 10"	190/50ZR-17	4.00 S18	180/55 - ZR17	240/50 V16
Wheelbase:	1510 mm / 59.4 in	1250 mm / 49.2 in	1407 mm / 55.4 in	1405 mm / 55.3 in	1440 mm / 56.7 in	1695 mm / 66.7 in
Dry Weight:	154 kg / 340 lbs	112 kg / 247 lbs	173 kg / 381.3 lbs	158 kg / 348 lbs	179 kg / 395 lbs	320 kg / 704 lbs
Fuel Capacity:	28 L / 7.4 US gal / 6.2 Imp gal	8 L / 2.1 US gal	17.7 Liters / 4.7 gal	12 Litres / 3.1 US gal	14 Litres / 3.6 US gal	24 Litres / 6.3 US gal / 5.3 Imp gal