Aprilia RS 125 R (2010) vs Kawasaki Ninja H2 / ZX 1000 (2015) vs KTM 450 EXC (2009-10)
Comparison technical specifications
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| Make: | Aprilia | Kawasaki | KTM |
| Model: | RS 125 R | Ninja H2 / ZX 1000 | 450 EXC |
| Years: | 2010 | 2015 | 2009-10 |
| Engine: | Single cylinder, two stroke, reed valves induction, aluminium cylinder with Nikasil coated liner | Four Stroke, transverse four cylinder, DOHC, 16 valve, Supercharger Centrifugal, scroll-type | Four stroke, single cylinder, SOHC, 4 valves per cylinder |
| Capacity: | 124.8 cc / 7.5 cu in | 998 cc / 60.9 cub in | 447.9 cc / 27.42 cu-in |
| Bore x Stroke: | 54 x 54.5mm | 76 x 55 mm | 89 x 72 mm |
| Compression Ratio: | 12.5:1 | 8.5:1 | 11.1:1 |
| Lubrication: | Separate mixing, volumetric pump | Forced, wet sump with oil cooler | Pressure lubrication with 2 rotor pumps |
| Induction: | Dell'Orto PHBH 28 carburetor | 50 mm x 4 with dual injection, | Keihin MX FCR 39 carburetor |
| Ignition: | CDI electronic ignition | Digital | Kokusan digital |
| Starting: | Electric | Electric | Electric & kick |
| Transmission: | 6 Speed | 6-Speed | 6 Speed |
| Final Drive: | 17:40 | Chain | Chain, X ring, 5.8 x 1/4" |
| Frame: | Cast aluminium, reinforced box section, sloping twin-spar frame | Trellis, high-tensile steel, with swingarm mounting plate | Central tube chrome-moly-steel frame |
| Front Suspension: | Upside-down forks, Ø 40mm | 43 mm Inverted fork with rebound and compression damping, spring preload adjustability and top-out springs | WP 4860 MA upside-down fork |
| Front Wheel Travel: | 120 mm / 4.7 in | 119 mm / 4.7 in | 300 mm / 11.8 in |
| Rear Suspension: | Monoshock, cast aluminium box section swingarm with asymmetric members | Uni-Trak® with gas-charged shock, piggyback reservoir, dual-range (high/low-speed) compression damping, rebound damping and preload adjustability, and top-out spring | WP-PDS shock absorber, aluminium swingarm |
| Rear Wheel Travel: | 120 mm / 4.7 in | 135 mm / 5.3 in | 335 mm / 13.2 in |
| Front Brakes: | Single 320 mm floating discs, 4 piston radial caliper | Dual 330 mm discs, radial-mount, opposed 4-piston calipers, dual semi-floating | Single 260 mm disc, floating caliper |
| Rear Brakes: | Single 220 mm disc, 2 piston caliper | Single 250mm disc, opposed 2-piston calipers, | Single 220mm disc, floating caliper |
| Front Tyre: | 110/70-17 | 120/70 ZR17 M/C (58W) | 90/90 - 21 |
| Rear Tyre: | 150/60-17 | 200/55 ZR17 M/C (78W) | 140/80 - 18 |
| Wheelbase: | 1345 mm / 53.0 in | 1455 mm / 57.3 in | 1481 mm / 58.3 in |
| Seat Height: | 805 mm / 31.7 in | 826 mm / 32.5 in | 970 mm / 38.7 in |
| Fuel Capacity: | 14 Litres / 3.7 US gal | 17 Litres / 4.5 US gal | 9.0 L / 2.4 US gal / 2.0 Imp gal |