Yamaha SR 250
The 1981 Yamaha SR 250 is a stylish and All-Rounder motorcycle with Air cooled, 239cc, Manual 5-speed and 19.99 HP (14.7 kW) @ 7700 rpm.
Technical Specifications
Engine and transmission
- Engine type:1 cylinders, 4-stroke, Single
- Displacement:239 cc (14.6 cubic inches)
- Bore × stroke:2.89 inch × 2.22 inch (oversquare - shortstroke)
- Cooling system:Air cooled
- Power:19.99 HP (14.7 kW) @ 7700 rpm
- Throttle:Cable operated
- Valves per cylinder:2
- Sparks per cylinder:1
- Fuel supply system:Carburetor
- Ignition type:TCI (Transistor Controlled Ignition)
- Compression:9.2:1
- Engine mounting:Transverse
- Lubrication system:Wet sump
- Gear box:Manual 5-speed
- Clutch:Wet, cable operated
- Final drive:Chain
- Spark plug pipe type:NGK, BP7ES
- Motor oil:20W/40
- Starter:Electric
Dimensions
- Curb weight:297.6 lbs
Chassis and suspension
- FrontSuspension:CartridgeBrake:DrumTire pressure:0.12 PSI, with pillion: 0.14 PSI withpilion
- RearSuspension:twin shock, SwingarmBrake:DrumTire:120 / 90 R16Tire pressure:0.14 PSI, with pillion: 0.16 PSI withpilion
- Frame type:steel, Single cradle frame
Other
- ABS available:No
- Power-to-weight ratio:0.11 KW/lbs (9.18 lbs/HP)
- Top speed:74.56 mph
- Fuel capacity:2.64 gals
- Number of riders:2 persons