1989Tomos BT 50 S
15 fields on record
The 1989 Tomos BT 50 S is a lightweight sport moped designed for young riders and commuters seeking affordable, nimble performance. Its 50cc two-stroke engine delivers spirited acceleration despite modest power, while the aggressive styling and responsive handling make it ideal for urban environments. Known for reliability and fuel efficiency, this compact machine excels in city navigation and short-distance travel.
- Capacity
- 50.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Dry weight
- 70.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 5.5 HP (4.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed purely for short, low-speed hops around town rather than any kind of performance or adventure riding.
- Built for
- A light, buzzy little two-stroke with a playful, simple charm typical of classic 1980s European mopeds.
- Not ideal for
- Not suitable for anyone wanting highway speeds, long-distance touring, passenger carrying, 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
- 50.0 ccm
- Power
- 5.5 HP (4.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.0786 HP/kg (dry)
- Compression
- 11.0:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Performance
- Top speed
- 80.0 km/h (49.7 mph)
Dimensions & weight
- Dry weight
- 70.0 kg
- Seat height
- Not on record - add it
Brakes & wheels
- Front brakes
- Expanding brake (drum brake)
Other
- Color options
- Grey
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Tomos BT 50 S?
The 1989 Tomos BT 50 S has a Capacity of 50.0 ccm (3.05 cubic inches).
What engine power does the Tomos BT 50 S have?
The 1989 Tomos BT 50 S has a Power of 5.5 HP (4.0 kW).
How many gears does the Tomos BT 50 S have?
The 1989 Tomos BT 50 S has a Gearbox of 5-speed.
How much does the Tomos BT 50 S weigh?
The 1989 Tomos BT 50 S has a Dry weight of 70.0 kg (154.3 pounds).
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