Sportbikes
1981Yamaha RD 350
18 fields on record
The 1981 Yamaha RD 350 is a lightweight sport bike ideal for novice and intermediate riders seeking affordable performance. Its punchy 49 hp two-stroke twin engine and nimble handling made it a popular choice for commuting and weekend riding. Known for reliability and excellent fuel efficiency, the RD 350 remains a respected entry-level sportster.
- Capacity
- 347.0 ccm
- Engine
- Parallel Twin, two-stroke
- Gearbox
- 6-speed
- Wet weight
- 161.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 49.0 HP (36.0 kW) @ 8700 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for aggressive sport riding and spirited backroad or track use rather than practical transportation.
- Built for
- A snarling, lightweight two-stroke twin with a peaky power delivery that rewards precise throttle control and revels in fast, flowing corners.
- Not ideal for
- Not a good fit for new riders, pillion-focused riding, long-distance touring, or anyone wanting smooth, low-maintenance daily transport.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 347.0 ccm
- Power
- 49.0 HP (36.0 kW) @ 8700 RPM
- Engine type
- Parallel Twin, two-stroke
- Power/weight ratio
- 0.3043 HP/kg (wet)
- Bore x stroke
- 64.0 x 54.0 mm
- Compression
- 6.9:1
- Cooling system
- Liquid
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 178.0 km/h (110.6 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Expanding brake
- Front tyre
- 3.00-18
- Rear tyre
- 3.50-18
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 | 1980 | 1981 | 1982 | 1984 | 1986 | 1988 |
|---|---|---|---|---|---|---|
| Capacity | 347 cc | 347 cc | 347 cc | 347 cc | 347 cc | 347 cc |
| Fuel capacity | 17 L | 17 L | 17 L | 17 L | 20 L | 20 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 RD 350?
The 1981 Yamaha RD 350 has a Capacity of 347.0 ccm (21.18 cubic inches).
What engine power does the Yamaha RD 350 have?
The 1981 Yamaha RD 350 has a Power of 49.0 HP (36.0 kW) @ 8700 RPM.
How many gears does the Yamaha RD 350 have?
The 1981 Yamaha RD 350 has a Gearbox of 6-speed.
How much does the Yamaha RD 350 weigh?
The 1981 Yamaha RD 350 has a Wet weight of 161.0 kg (354.9 pounds).
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