Yamaha XS250 (1980-81)

The Yamaha XS 250 Special is a motorcycle produced between 1980 and 1981. It has a four-stroke engine with an 180-degree parallel twin and a single overhead camshaft, with two valves per cylinder. The bike has a 248 cc displacement and a compression ratio of 9.3:1. Its lubrication system is a wet sump, and it uses two 32mm Mikuni carburetors for induction. The ignition is coil and cb, and it has a kick starting system. The XS 250 Special is capable of producing 26 hp at 9500 rpm and 2.1 kgf-m of torque at 8500 rpm. The motorcycle’s clutch is a wet multiplate type with seven friction and six thrust plates, and its transmission is a six-speed. It uses a chain final drive system, and its frame is a welded tubular double cradle with a single downtube. The XS 250 Special has telescopic forks for its front suspension, and a dual shocks swing arm that’s adjustable in five positions. The front brake is a single 267mm disc, with a rear drum measuring 160mm. Its front tire measures 3.00-18 while the rear tire is 120/90 x 16. The bike has a rake of 27 degrees and a trail of 87 mm. Its wheelbase is 1375mm, and its seat height measures 770 mm. The XS 250 Special has a dry weight of 169 kg and a fuel capacity of 14 liters. It was road-tested alongside other bikes such as the Kawasaki Z250 and the Honda CB250N.

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Technical specifications:

Make Model: Yamaha XS 250 Special

Year: 1980 – 81

Engine: Four stroke, 180 degrees parallel twin, SOHC, 2 valves per cylinder

Capacity: 248 cc / 15.2 cu-in

Bore x Stroke: 55 52.4 mm

Cooling System: Air cooled

Compression Ratio: 9.3:1

Lubrication: Wet sump

Induction: 2x 32mm Mikuni carburetors

Ignition: Coil and cb

Starting: Kick

Max Power: 26 hp / 20.1 kW @ 9500 rpm

Max Torque: 2.1 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: 160mm Drum

Front Tyre: 3.00-18

Rear Tyre: 120/90 x 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

Road Test: Yamaha XS250. Kawasaki Z250. Honda CB250N. Which Bike 1979 Yamaha XS250S Cagiva SST250. Suzuki GS250T Which Bike 1980