Naked Motorcycles
1990Yamaha SR 500 S
19 fields on record
The 1990 Yamaha SR 500 S is a lightweight single-cylinder roadster ideal for novice and budget-conscious riders seeking classic styling and reliability. Its air-cooled 499cc engine delivers modest but adequate power for urban commuting and casual riding. Known for its simplicity, affordability, and retro charm, this bike remains a popular entry-level platform.
- Capacity
- 499.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 167.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 27.0 HP (19.9 kW) @ 6200 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- A classic air-cooled single built for simple, engaging back-road riding rather than outright speed or long-distance touring.
- Built for
- Purist, minimalist, and mechanically honest, rewarding riders who enjoy the raw feel and rhythm of a traditional four-stroke single.
- Not ideal for
- Not suited for riders wanting high-speed touring, modern comfort, or off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 499.0 ccm
- Power
- 27.0 HP (19.9 kW) @ 6200 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1617 HP/kg (wet)
- Bore x stroke
- 87.0 x 84.0 mm
- Compression
- 9.0:1
- Cooling system
- Air
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 134.0 km/h (83.3 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.50-18
- Rear tyre
- 4.00-18
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 1982 | 1984 | 1987 | 1989 | 1990 | 1991 |
|---|---|---|---|---|---|---|
| Capacity | 499 cc | 499 cc | 499 cc | 499 cc | 499 cc | 499 cc |
| Fuel capacity | 12 L | 12 L | 12 L | 14 L | 14 L | 14 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha SR 500 S?
The 1990 Yamaha SR 500 S has a Capacity of 499.0 ccm (30.45 cubic inches).
What engine power does the Yamaha SR 500 S have?
The 1990 Yamaha SR 500 S has a Power of 27.0 HP (19.9 kW) @ 6200 RPM.
How many gears does the Yamaha SR 500 S have?
The 1990 Yamaha SR 500 S has a Gearbox of 5-speed.
How much does the Yamaha SR 500 S weigh?
The 1990 Yamaha SR 500 S has a Wet weight of 167.0 kg (368.2 pounds).
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