| MODEL | YAMAHA XJR 400R 1998 - 2000 |
| Year | 1998 - 2000 |
| Engine Type | Air cooled, four stroke, transverse four cylinder, DOHC, 4 valves per cylinder |
| Displacement / Capacity | 399 cc / 24.3 cu in |
| Bore X Stroke | 55 x 42 mm |
| Compression Ratio | 10.7:1 |
| Cooling System | Air cooled |
| Max Power | 38.7 kW / 53 hp @ 11000 rpm |
| Max Torque | 35 Nm / 25.8 lb-ft @ 9000 rpm |
| Ignition | CDI |
| Induction | 4x BSR30 carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel tubular |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shocks, preload adjustable |
| Front Brakes | 2x discs |
| Rear Brakes | Single disc |
| DIMENSION SPECS | |
| Overall Length | 2085 mm / 82.1 in |
| Overall Width | 735 mm / 28.9 in |
| Overall Height | 1085 mm / 42.9 in |
| Seat Height | 780 mm / 30.7 in |
| Wheelbase | 1435 mm / 56.5 in |
| Ground Clearance | — |
| Dry Weight | 176 kg / 388 lbs |
| Wet Weight | 198 kg |
| WHEEL SPECS | |
| Front Tyre | 110/70ZR-17 (54W) |
| Rear Tyre | 150/70ZR-17 (69W) |
| FUEL SYSTEM | |
| Fuel Capacity | 20 Litres / 5.2 US gal |
| Fuel Consumption | — |
| Top Speed | 180 km/h |
The 1998 second-generation XJR400R grew a larger 20-litre tank, gained fork guards, a redesigned rear end and a silver-finished engine. Mechanically it kept the 399 cc air-cooled four and six-speed gearbox, remaining a popular retro 400 in Japan.
