Yamaha TZ125: history, specs, pictures

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1981[edit]

1981 Yamaha TZ125H in White
1981 Yamaha TZ125H in White
1981 Yamaha TZ125H in White
1981 Yamaha TZ125H in White
1981 Yamaha TZ125H in White


Yamaha TZ125
Manufacturer Yamaha
Also called TZ125G, TZ 125 G, TZ 125
Production 1980 - 2002
Engine single cylinder, two-stroke
Bore / Stroke 54.0mm x 54.5mm
Horse Power 43.05 HP (32.1 KW) @ 12250RPM
Torque 18.44 ft/lbs (25.0 Nm) @ 12000RPM
Fuel system carburettor. mikuni 38 mm
Battery 7.9:1
Transmission Gear box: 6-speed
Final Drive: chain
Brakes Front: single disc
Rear: single disc
Front Tire 95/70-r17
Rear Tire 125/55-r17
Wheelbase 48.9 inches (1242 mm)
Dimensions L 71.97 inches (1828 mm)
W 20.08 inches (510 mm)
H 40.67 inches (1033 mm)
Seat height 27.6 inches (701 mm)
Weight 156.97 pounds (71.2 Kg)
Manuals Service Manual
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The Yamaha TZ125 was a single cylinder, two-stroke standard produced by Yamaha between 1980 and 2002. Max torque was 18.44 ft/lbs (25.0 Nm) @ 12000 RPM. Claimed horsepower was 43.05 HP (32.1 KW) @ 12250 RPM.

Engine[edit]

The engine was a liquid cooled single cylinder, two-stroke. A 54.0mm bore x 54.5mm stroke result in a displacement of just 124.0 cubic centimeters.

Drive[edit]

The bike has a 6-speed transmission.

Chassis[edit]

It came with a 95/70-r17 front tire and a 125/55-r17 rear tire. Stopping was achieved via single disc in the front and a single disc in the rear. The bike weighed just 156.97 pounds (71.2 Kg). The wheelbase was 48.9 inches (1242 mm) long.