| General |
| Year | 1985 | 2015 |
| Make Model | Honda NS 400R | Kawasaki Ninja 300 |
| Dimensions |
| Seat Height | 780 mm / 30 in | 785 mm / 30.8 in |
| Wheelbase | 1385 mm / 54.5 in | 1405 mm / 55.3 in |
| Ground Clearance | - | 140 mm / 5.5 in |
| Height | 1150 mm / 45.2 in | 1110 mm / 43.7 in |
| Length | 2065 mm / 81.2 in | 2015 mm / 79.3 in |
| Width | 720 mm / 28.3 in | 715 mm / 29.1 in |
| Weights & Capacities |
| Dry Weight | 163 kg / 259.3 lbs | - |
| Fuel Capacity | 19 Litres / 5.02 US gal | 17 Litres / 3.8 US gal |
| Wet Weight | 183 kg / 403.4 lbs | 172 kg / 379.1 lbs - ABS 174 kg / 383.6 lbs |
| Performance |
| Top Speed | 202 km/h / 125.5 mph | - |
| Max Power | 72 hp / 52.5 kW @ 9500 rpm | 29.0 kW / 39 hp @ 11000 rpm |
| Max Power - Rear Tyre | 59 hp @ 8500 rpm | - |
| Max Torque | 5.1 kgf-m @ 8000 rpm | 27.0 Nm / 2.8 kg-fm @ 10000 rpm |
| Standing Start ¼ Mile | 13.03 sec / 164.2 km/h | - |
| Engine |
| Stroke | 2 | - |
| Fuel Control | Membrane | - |
| Engine Type | V3 | - |
| Displacement | 387 cc / 23.6 cu-in | 296 cc / 18.0 cu-in |
| Engine Detail | Two stroke, 90°V-three cylinder, reed valve | Four stroke . parallel twin, DOHC, 4 valves per cylinder |
| Bore x Stroke | 57 x 50.6 mm | 62 x 49 mm |
| Compression Ratio | 6.7:1 | 10.6:1 |
| Cooling System | Liquid cooled | Liquid cooled |
| Fuel Consumption | 30 mpg | - |
| Fuel Induction | 3x 26mm Keihin carburetors | Fuel injection: Ø32 mm x 2 (Keihin), with dual throttle valves |
| Ignition | CDI | TCBI with Digital Advance |
| Lubrication | - | Forced lubrication, wet sump |
| Starter | Kick | Electric |
| Drivetrain |
| Clutch | - | Wet multi-disc, manual |
| Final Drive | Chain | Chain |
| Final Drive Ratio | - | 3.000 (42/14) |
| Gear Ratios | 1st 2.500 / 2nd 1.714 / 3rd 1.333 / 4th 1.111 / 5th 0.965 / 6th 0.866 | 1st 2.714 (38/14) 2nd 1.789 (34/19) 3rd 1.409 (31/22) 4th 1.160 (29/25) 5th 1.000 (27/27) 6th 0.893 (25/28) |
| Gearbox | 6-speed | - |
| Primary Drive Ratios | - | 3.087 (71/23) |
| Transmission / Drive | 6 speed | 6 Speed |
| Chassis |
| Frame Type | Double cradle | Tube diamond, steel |
| Suspension - Front | Air assisted forks. adjustable anti-dive | 37 mm Telescopic fork, |
| Suspension - Rear | Pro-link adjustable preload | Bottom-Link Uni-Trak with gas-charged shock and 5-way adjustable preload, |
| Rake | - | 27° |
| Trail | - | 93 mm / 3.6 in |
| Wheel Travel - Front | 120 mm / 4.7 in | 120 mm / 4.7 in |
| Wheel Travel - Rear | 100 mm / 3.9 in | 132 mm / 5.1 in |
| Wheels & Brakes |
| Brakes - Front | 2x 256mm discs 2 piston calipers | Single 290 mm petal disc Single balanced actuation dual-piston |
| Brakes - Rear | Single 220mm disc 2 piston caliper | Single 220 mm petal disc Caliper: Dual-piston |
| Tyres - Front | 100/90 -16 | 110/70-17 M/C 54S |
| Tyres - Rear | 110/90 -17 | 140/70-17 M/C 66S |