Yamaha TZR50 Engine and Transmission Technical Data
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Engine type - Number of cylinders |
Single cylinder, two-stroke |
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Engine details |
- |
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Fuel system |
Carburettor. PHBN 16 |
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Engine size - Displacement - Engine capacity |
49.00 ccm (2.99 cubic inches) |
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Bore x Stroke |
40.3 x 39.0 mm (1.6 x 1.5 inches) |
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Compression Ratio |
11.5:1 |
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Number of valves per cylinder |
- |
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Camshaft Valvetrain Configuration |
Single Overhead Cams (SOHC) |
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Maximum power - Output - Horsepower |
2.68 HP (2.0 kW)) @ 6250 RPM |
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Maximum torque |
3.00 Nm (0.3 kgf-m or 2.2 ft.lbs) @ 5500 RPM |
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Engine Maximum RPM |
- |
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Cooling system |
Liquid |
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Lubrication system |
Separate lubrication |
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Engine oil capacity |
- |
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Exhaust system |
- |
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Gearbox |
6-speed |
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Transmission type, final drive ratio |
Chain |
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Clutch type |
- |
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Driveline |
Constant mesh |