Aprilia RS4 125 (2011) vs Cagiva Gran Canyon 900ie (1999-00) vs Kawasaki Zephyr 750 (1996-97) vs Harley-Davidson Harley Davidson FLSTN Softail Deluxe (2007-08) vs Harley-Davidson Harley Davidson FLHTCU-SE2 Electric Glide Ultra Classic Screamin Eagle (2007)

Comparison technical specifications

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Make:	Aprilia	Cagiva	Kawasaki	Harley-Davidson	Harley-Davidson
Model:	RS4 125	Gran Canyon 900ie	Zephyr 750	Harley Davidson FLSTN Softail Deluxe	Harley Davidson FLHTCU-SE2 Electric Glide Ultra Classic Screamin Eagle
Years:	2011	1999-00	1996-97	2007-08	2007
Engine:	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, 90° “L”twin cylinder, SOHC, desmodromic 2 valve per cylinder.	Four stroke, transverse four cylinder , DOHC, 2 valves per cylinder	Four stroke, 45° V-Twin, Twin Cam 96 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder	Four stroke, Twin Cam 103™ with integrated oil cooler Valves Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters; two valves per cylinder
Capacity:	124.8 cc / 7.6 cu in	904 cc / 55.1 cu-in	738 cc / 45.6 cu-in	1584 cc / 96 cu-in	1802 cc / 109.96 cub in.
Bore x Stroke:	58 X 47 mm	92 x 68 mm	66 x 54 mm	95.2 x 111.2 mm	101.6 x 111.1 mm
Cooling System:	Liquid cooled	Air cooled	Air cooled,	Air cooled	Air/Liquid cooled,
Compression Ratio:	12.5 ± 0.5:1	9.2:1	9.5:1	9.2:1	9.2:1
Induction:	Electronic injection	Weber fuel injection	4x 32mm Keihin carburetors	Electronic Sequential Port Fuel Injection (ESPFI)	Electronic Sequential Port Fuel Injection (ESPFI)
Ignition:	Electronic with CDI capacity discharge	Marelli electronic inductive discharge	Analogue CDI (Capacitive Discharge	Single-fire, non-wasted, map-controlled spark ignition	Single-fire, non-wasted, map-controlled spark ignition
Max Torque:	11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm	78 Nm / 57.5 lb-ft @ 5000 rpm	56.8 Nm / 42.0 lb-ft @ 7300 rpm	124.7 Nm / 92 ft. lbs @ 3000 rpm	156 Nm / 15.9 kgf-m / 115 ft. lbs @ 3750 rpm
Final Drive:	Chain	Chain	Chain	Belt	Belt
Front Suspension:	Ø41 mm Upside down fork	45mm Telescopic hydraulic fork with advanced axle	41mm Telescopic forks no adjustmen	41.3 mm telescopic, chrome dust covers	41.3 mm telescopic forks,
Rear Suspension:	Asymmetric swingarm with monoshock	Progressive Soft Damp with hydraulic single shock absorber	Dual gas shocks adjustable for preload, rebound, and compression.	Hidden, horizontal-mounted, coil-over shock	Swing Arm Mild steel, rectangular tube sections, stamped junctions; MIG welded, Lowered, air-adjustable,
Front Brakes:	Single Ø300 mm disc, 4 piston caliper	2x 296mm discs 2 piston calipers	2x 300mm discs 2 piston calipers	Single 292mm disc 4 piston caliper	2x 300mm discs 4 piston calipers, ABS Standard
Rear Brakes:	Single Ø218 mm disc, 1 piston caliper	Single 240mm disc 2 piston caliper	Single 230mm disc 1 piston caliper	Single 292mm disc 4 piston caliper	Single 300mm disc 4 piston caliper, ABS Standard
Front Tyre:	110/80 17	100/90 R19	120/70 VR17	D402F MT90-16	D408 130/80B17 65H
Rear Tyre:	130/70 17	150/70 R17	150/70 VR17	D402 MU85B16	D407 180/65B16 81H
Wheelbase:	1350 mm / 53.1 in	1530 mm / 60.2 in	1455 mm / 57.2 in	1638 mm / 64.5 in	1613 mm / 63.5 in
Seat Height:	820 mm / 32.3 in	850 mm / 38.4 in	770 mm / 30.3 in	Laden2 622 mm / 24.5 in. Unladen 673 mm / 26.5 in.	Laden2 706 mm / 27.8 in Unladen 757 mm / 29.8 in
Fuel Capacity:	14.5 Liters / 3.8 gal	20 Litres / 5.2 US gal	17 Litres / 4.4 US gal	18.9 Litres / 5.0 gal	22.7 Litres / 6.0 US gal