Kawasaki ZX-10R Ninja KRT Edition (2020) vs Honda NRX 1800 Rune (2005) vs Yamaha RD 400 (1977) vs BMW R 12G/S (2025)
Comparison technical specifications
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| Make: | Kawasaki | Honda | Yamaha | BMW |
| Model: | ZX-10R Ninja KRT Edition | NRX 1800 Rune | RD 400 | R 12G/S |
| Years: | 2020 | 2005 | 1977 | 2025 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, opposed boxer six cylinders, SOHC, 2-valve per cylinder | Two stroke, parallel twin cylinder, reed-valve torque induction | Four stroke, two cylinder horizontally opposed Boxer, with four camshaft-operated valves and two overhead camshafts per cylinder. |
| Capacity: | 998 cc / 60.9 cu-in | 1832 cc / 111.8 cub in | 398 cc / 24.2 cu-in | 1170 cc / 71.4 cub in |
| Bore x Stroke: | 76.0 x 55.0 mm | 74 x 71 mm | 64 х 62 mm | 101 x 73 mm |
| Compression Ratio: | 13.0:1 | 9.8:1 | 6.2:1 | 12:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Air/oil cooled |
| Induction: | Fuel injection: Ø 47 mm x 4 with dual injection | PGM-FI | 2x 28mm Mikuni carburetors | Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire |
| Starting: | Electric | Electric | Kick | Electric |
| Max Power: | 149.3 kW / 203 hp @ 13500 rpm | 86 kW /118 hp @ 5500 rpm | 44 hp / 32.3 kW @ 7500 rpm | 81 kW / 109 hp @ 7000 rpm |
| Max Torque: | 114.9 Nm / 84.7 lb-ft @ 11200 rpm | 167 Nm / 120.9 lb-ft @ 4000 rpm | 41.1 Nm / 4.2 kgf-m @ 7000 rpm | 115 Nm / 81 lb-ft @ 6500 rpm |
| Clutch: | Wet multi-disc, manual | Hydraulic, wet, multiplate with coil springs | Wet multiplate | Single dry plate clutch, hydraulically operated |
| Transmission: | 6-speed, return, cassette | 5 Speed | 6 Speed | 6-Speed, claw-shifted transmission with separate transmission housing |
| Final Drive: | Sealed Chain | Shaft | Chain | Universal shaft |
| Front Suspension: | 43 mm inverted Balance Free Front Fork with external compression chamber, compression and rebound damping and spring preload adjustability, and top-out springs. | Trailing bottom link fork no adjustable | Telescopic forks | 45 mm USD telescopic forks, spring base, rebound and compression damping adjustable |
| Rear Suspension: | Horizontal Back-link with BFRC lite gas-charged shock with piggyback reservoir, compression and rebound damping and spring preload adjustability, and top-out spring | Pro-link single shock no adjustable | Swing arm, dual shocks | Aluminum Paralever swinging arm, directly linked WAD spring strut, spring base, rebound and compression damping adjustable |
| Front Brakes: | 2x 330 mm semi-floating Brembo discs, 4-piston, dual radial-mount, Brembo M50 monobloc | 2x 330mm full-floating discs 3 piston calipers | Single 267mm disc | 2 x 310mm disc brake, with two axially bolted 2-piston floating calipers |
| Rear Brakes: | Single 220mm disc with aluminum single-piston caliper | Single 336mm disc 2 piston caliper | Single 267mm disc | Single 265 mm disc, 2 piston floating caliper |
| Front Tyre: | 120/70ZR17M/C (58W) | 150/60 R18 | 3.00S-18 | 90/90/21 |
| Rear Tyre: | 190/55ZR17M/C (75W) | 180/55 R17 | 3.50S-18 | 150/70 - R17 (150/70 - R18 Enduro Package) |
| Wheelbase: | 1440 mm / 56.7 in | 1750 mm / 68.9 in | 1320 mm / 51.9 in | 1580 mm / 62.2 in (1585 / 62.4 in Enduro Package) |
| Seat Height: | 835 mm / 32.9 in | 691mm / 27.2 in | 800 mm / 31.4 in | 860 mm / 33.9 in (875 mm / 34.4 in Enduro Package) |
| Fuel Capacity: | 17 Litres / 4.5 US gal | 23.5 Litres / 6.1 US gal | 16.5 Litres / 4.3 US gal | 15.5 Litres / 4.1 US gal |