| MODEL | YAMAHA XJ 600N 1998 - 2000 |
| Year | 1998 - 2000 |
| Engine Type | Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder |
| Displacement / Capacity | 599 cc / 36.5 cu in |
| Bore X Stroke | 58.5 x 55.7 mm |
| Compression Ratio | 10:1 |
| Cooling System | Air cooled |
| Max Power | 45 kW / 61 hp @ 8500 rpm |
| Max Torque | 4.7 kgf-m / 33.9 lb-ft @ 7000 rpm |
| Ignition | Transistor |
| Induction | 4 x 28 mm Mikuni BDS28 downdraft carburettors |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6 Speed |
| Clutch | Wet, multiple plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Double cradle |
| Front Suspension | 38 mm telescopic fork, no adjustment, 140 mm / 5.5 in travel |
| Rear Suspension | Monocross monoshock, preload adjustable, 110 mm / 4.3 in travel |
| Front Brakes | 2 x 298 mm discs, 2 piston calipers |
| Rear Brakes | Single 245 mm disc, 2 piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2170 mm / 85.4 in |
| Overall Width | 770 mm / 30.3 in |
| Overall Height | 1205 mm / 47.4 in |
| Seat Height | 770 mm / 30.3 in |
| Wheelbase | 1445 mm / 56.8 in |
| Ground Clearance | 150 mm / 5.9 in |
| Dry Weight | 193 kg / 425 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 110/80 H17 |
| Rear Tyre | 130/70 H18 |
| FUEL SYSTEM | |
| Fuel Capacity | 17 Litres / 4.4 US gal |
| Fuel Consumption | 18.1 km/l |
| Top Speed | 178.6 km/h |
By 1998 the naked XJ 600N gained a second front disc compared with the earlier single-disc version, but kept the same air-cooled 599 cc four and basic chassis. It remained a budget, easy-going all-rounder for new riders.
