The Yamaha XS 250 DOHC Special is a motorcycle model from the year 1982 with a four-stroke engine that has two parallel cylinders, each with 2 valves. Its capacity is 248 cc and the bore x stroke is 56 x 50.6 mm. The bike is air-cooled and has a compression ratio of 10.1:1. The lubrication is done via wet sump, and the induction is achieved through 2x 32mm Mikuni carburetors. The ignition system uses a coil and cb, and the bike starts with a kick. The maximum power generated by the engine is 30 hp at 10,000 rpm, while the maximum torque is 2.2 kgf-m at 8,500 rpm. The clutch uses a wet multi-plate system with seven friction and six thrust plates. The motorcycle has a six-speed transmission and a chain final drive. The frame is a double cradle with a single downtube made of welded tubular material. It has Telescopic forks and dual shocks, swing arm, 5-position preload adjustable as front and rear suspension respectively. The front brake consists of a single 267mm disc with the rear brake having a smaller 177mm drum. The tire specifics are 3.00-18 and 4.10-16 for front and rear respectively, and it has a rake of 27 degrees, trail of 87 mm / 3.43 in, a wheelbase of 1375 mm / 54.1 in, and sits at a seat height of 770 mm / 30.3 in. The bike has a dry weight of 169 kg / 373 lbs, and carries 14 Litres / 3.7 US gal of fuel.
Technical specifications:
Make Model: Yamaha XS 250 DOHC Special
| Year | 1982 – |
|---|---|
| Engine | Four stroke, 180 degrees parallel twin, DOHC, 2 valves per cylinder |
| Capacity | 248 cc / 15.2 cu-in |
| Bore x Stroke | 56 50.6 mm |
| Cooling System | Air cooled |
| Compression Ratio | 10.1:1 |
| Lubrication | Wet sump |
| Induction | 2x 32mm Mikuni carburetors |
| Ignition | Coil and cb |
| Starting | Kick |
| Max Power | 30 hp / 22.3 kW @ 10000 rpm |
| Max Torque | 2.2 kgf-m / 15.2 lb-ft @ 8500 rpm |
| Clutch | Wet multiplate with seven friction and six thrust plates |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Frame | Welded tubular. Double cradle with single downtube |
| Front Suspension | Telescopic forks |
| Rear Suspension | Dual shocks, swing arm, 5-position preload adjustable |
| Front Brakes | Single 267mm disc |
| Rear Brakes | 177mm Drum |
| Front Tyre | 3.00-18 |
| Rear Tyre | 4.10-16 |
| Rake | 27 degrees |
| Trail | 87 mm / 3.43 in |
| Wheelbase | 1375 mm / 54.1 in |
| Seat Height | 770 mm / 30.3 in |
| Dry Weight | 169 kg / 373 lbs |
| Fuel Capacity | 14 Litres / 3.7 US gal |
