Yamaha XS250 (1982-83)

The Yamaha XS250 DOHC motorcycle was produced from 1982-83 and had a four-stroke, 180-degree parallel twin engine with two valves per cylinder and a capacity of 248 cc. The compression ratio was 10.1:1 and it had a wet sump lubrication system. The bike had 2x 32mm Mikuni carburetors, coil and cb ignition, and could be started by kick. It had a maximum power of 30 hp at 10,000 rpm and a maximum torque of 2.2 kgf-m at 8,500 rpm.

The XS250 DOHC had a wet multiplate clutch, a 6-speed transmission, and a chain final drive. The frame was a duplex cradle design and the suspension consisted of telescopic forks in the front and dual shocks, swing arm, and adjustable 5-position preload in the rear. The front brake was a single 267mm disc and the rear brake was a 178mm drum. The bike had a 3.00-18 front tire and a 3.50-18 rear tire, a wheelbase of 1359 mm, and a seat height of 810 mm. The dry weight was 165.5 kg and the wet weight was 174 kg. The fuel tank capacity was 14 liters or 3.7 US gallons.

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Technical specifications:

Make Model: Yamaha XS 250 DOHC

Year: 1982 – 83

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

Transmission: 6 Speed

Final Drive: Chain

Frame: Duplex cradle

Front Suspension: Telescopic forks

Rear Suspension: Dual shocks, swing arm, 5-position preload adjustable

Front Brakes: Single 267mm disc

Rear Brakes: 178mm Drum

Front Tyre: 3.00-18

Rear Tyre: 3.50-18

Wheelbase: 1359 mm / 53.5 in

Seat Height: 810 mm / 31.8 in

Dry Weight: 165.5 kg / 365 lbs

Wet Weight: 174 kg / 392.4 lbs

Fuel Capacity: 14 Litres / 3.7 US gal