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The Specifications of a Yamaha TZR 125

Updated April 17, 2017

In the late 1980s and early 1990s, the Yamaha Motor Company Limited manufactured and sold a number of lightweight sports motorcycles. The Yamaha TZR 125 was one of them. The "125" in the motorcycle's name refers to the displacement of the bike's engine and defines the class of motorbikes to which the Yamaha TZR 125 belongs. The Yamaha TZR 125 was manufactured and sold between 1987 and 1992.

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Power train

The Yamaha TZR 125 comes with a 124cc, or 7.57 cubic inches, two-stroke liquid-cooled single cylinder engine. The engine's bore and stroke measure 56.4 and 50mm, respectively. The engine has a 5.9:1 compression ratio. The engine delivers 26. horsepower at 10200rpm and a torque of 1.8kg-m at 10000rpm. The Yamaha TZR 125 has a six-speed chain transmission.


The motorcycle has a telescopic fork front suspension with a 140mm wheel travel, and a monocross rear suspension with a 100mm wheel travel. The Yamaha TZR 125 features single disc front brakes and drum rear brakes. The bike is equipped with a 90/90 16 front tire and a 100/90 18 rear tire.

Other Specifications

The Yamaha TZR 125 is equipped with a 12 litre, or 3.17 gallon, fuel tank. The top speed the motorcycle can reach is 96.12mph. The bike is rather small and weighs just 122kg. The Yamaha TZR 125 comes in white and red colours.

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About the Author

John London
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