What category is the 1980 Yamaha TZ 125 G?

The 1980 Yamaha TZ 125 G has a Category of Sport.

What is the engine size of the 1980 Yamaha TZ 125 G?

The 1980 Yamaha TZ 125 G has a Capacity: of 125.00 ccm (7.63 cubic inches).

What type of engine does the 1980 Yamaha TZ 125 G have?

The 1980 Yamaha TZ 125 G has a Engine type of Single cylinder.

Is the 1980 Yamaha TZ 125 G air cooled or liquid cooled?

The 1980 Yamaha TZ 125 G has a Cooling system of Liquid.

How many gears does the 1980 Yamaha TZ 125 G have?

The 1980 Yamaha TZ 125 G has a Gearbox of 6-speed.

Yamaha TZ 125 G - 1980 Specifications and Reviews

Name: 1980 Yamaha TZ 125 G
Brand: Yamaha

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.

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1980

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General information
Category	Sport
Year	1980
Model	Yamaha TZ 125 G

Engine and Transmission Specifications
Transmission typefinal drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Fuel system	Carburettor. MIKUNI 38 MM
Stroke	2
Engine type	Single cylinder
Capacity:	125.00 ccm (7.63 cubic inches)

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

Best For

Track95%

City5%

Cornering90%

Daily Riding3%

Touring3%

Passenger0%

Rider Profile

Best For	This is a pure racing homologation special best suited to experienced racers or track-focused riders, not casual or novice motorcyclists.
Purpose	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.
Rider Fit	Expect an aggressive, committed racing posture with no allowance for comfort, demanding good fitness and familiarity with race-bike ergonomics.
Character	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.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.