| MODEL | YAMAHA XS 250 DOHC 1984 |
| Year | 1984 |
| Engine Type | Four stroke, 180 degree parallel twin, DOHC, 2 valves per cylinder |
| Displacement / Capacity | 248 cc / 15.2 cu in |
| Bore X Stroke | 56 x 50.6 mm |
| Compression Ratio | 10.1:1 |
| Cooling System | Air cooled |
| Max Power | 22.3 kW / 30 hp @ 10000 rpm |
| Max Torque | 2.2 kgf-m / 15.2 lb-ft @ 8500 rpm |
| Ignition | Coil and contact breaker |
| Induction | 2x 32 mm Mikuni carburettors |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6 speed |
| Clutch | Wet multiplate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Duplex cradle |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shocks, swing arm, 5-position preload adjustable |
| Front Brakes | Single 267 mm disc |
| Rear Brakes | 178 mm drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 810 mm / 31.8 in |
| Wheelbase | 1359 mm / 53.5 in |
| Ground Clearance | — |
| Dry Weight | 165.5 kg / 365 lbs |
| Wet Weight | 174 kg / 392.4 lbs |
| WHEEL SPECS | |
| Front Tyre | 3.00-18 |
| Rear Tyre | 3.50-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 14 Litres / 3.7 US gal |
| Fuel Consumption | — |
| Top Speed | — |
This is the later production of the twin-cam XS 250, listed with the same figures as the 1982-83 bikes. It is a light, air-cooled six-speed twin for small-capacity riders. The source records no change from the 1982 version.
