Sportbikes
1980Yamaha TZ 125 G
9 fields on record
The 1980 Yamaha TZ 125 G is a lightweight racing-oriented sport bike designed for competitive riders and enthusiasts seeking performance in the 125cc class. Known for its potent liquid-cooled single-cylinder engine and responsive six-speed transmission, it delivers spirited acceleration and agile handling. This machine became legendary in road racing circles for its exceptional power-to-weight ratio and reliability.
- Capacity
- 125.0 ccm
- Engine
- Single
- Gearbox
- 6-speed
- Dry weight
- Not on record
Know it? Add it → - Seat height
- Not on record
Know it? Add it → - Power
- 15.0 HP (11.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built exclusively as a grand-prix style circuit racer, its liquid-cooled two-stroke single and race gearbox exist purely to win laps, not to serve any practical road use.
- Built for
- A raw, high-strung two-stroke racer that rewards precise throttle control and rider skill with sharp, lightweight handling and eager revving.
- Not ideal for
- This machine is not for daily commuting, touring, passengers, or any rider seeking comfort, storage, or road-legal practicality.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 125.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Brakes & wheels
- Front brakes
- Not on record - add it
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 Yamaha TZ 125 G?
The 1980 Yamaha TZ 125 G has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Yamaha TZ 125 G have?
The 1980 Yamaha TZ 125 G has a Power of 15.0 HP (11.0 kW).
How many gears does the Yamaha TZ 125 G have?
The 1980 Yamaha TZ 125 G has a Gearbox of 6-speed.
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