YamahaBike Specs
Skip to specifications

1981 Yamaha SR 250 Special specifications

Available technical data for this model and year. Specifications can vary by market and version.

Technical specifications

Displacement240.0 ccm (14.64 cubic inches)
Engine typeSingle cylinder, four-stroke
Power20.0 HP (14.6 kW )) @ 7900 RPM
Compression9.2:1
Bore x stroke73.5 x 56.5 mm (2.9 x 2.2 inches)
Valves per cylinder2
Fuel controlOverhead Cams (OHC)
Cooling systemAir
Gearbox5-speed
Transmission typeChain (final drive)
Front brakesExpanding brake
Rear brakesExpanding brake
Front tyre3.00-19
Rear tyre120/90-16
Weight incl. oil, gas, etc135.0 kg (297.6 pounds)
Fuel capacity10.00 litres (2.64 US gallons)
Top speed120.0 km/h (74.6 mph)

Source: Bikez: SR 250 Special, 1981. Retrieved 2026-09-19. Match confidence: exact.

Years listed are the entries held in this archive, rather than a complete production history.

Browse Serow, SR, SRX, ST and SZR models and variants · Parts buying guide · Decals and graphics