Yamaha has built the EC-03, a scooter, across 1 variant since 2011. Under the tank sits a aC synchronous motor. Torque tops out at 9.6 Nm.
About the Yamaha EC-03
The Yamaha EC-03 is a Scooter motorcycle from Yamaha, produced from 2011 to 2016. This page provides a comprehensive technical reference for the Yamaha EC-03, covering all available specification data including engine configuration, displacement, power output, dimensions, weight, and chassis details. Use the year selector above to find specifications for a specific model year. All data is sourced from manufacturer specifications and is intended as a technical reference for riders, mechanics, and enthusiasts.
Yamaha EC-03 by Year
Spec Evolution
How key specs changed across production years.
No numeric spec data available for this model.
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Specification
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2011
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2012
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2014
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2015
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2016
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Bore x Stroke (in,)
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3.3 x 2.5 inches | 3.3 x 2.8 inches | - | - | - |
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Bore x Stroke (mm)
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83.0 x 64.5 mm | 83.0 x 71.5 mm | - | - | - |
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Frame Type
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aluminum frame | Aluminum | Aluminum backbone | Aluminum backbone | Aluminum backbone |
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Wheelbase
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- | 1,229 mm / 48.4 in. | 1,303 mm / 51.3 in. ↑ | 1,080 mm / 42.5 in. ↓ | 1,080 mm / 42.5 in. |
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Brakes - Front
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Double disc | Double disc | Double disc | Expanding brake (drum brake) | Expanding brake (drum brake) |
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Fuel Capacity
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14.38 litres / 3.80 gallons | 15.14 litres / 4.00 gallons ↑ | - | - | - |
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Fuel System
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Carburettor. Mikuni 33mm BSR | Carburettor. Mikuni 33mm BSR | - | - | - |
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Colours
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White/black, Black | White/black, Black | White, Bronze | White, Bronze | White, Bronze |
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Clutch
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Engine Braking | - | No clutch | - | - |
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Wet Weight
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- | 284.9 kg / 628.0 lbs | 89.0 kg / 196.2 lbs ↓ | - | - |
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Warranty
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6 Month (Limited Factory Warranty) | 6 Month (Limited Factory Warranty) | 3 years warranty including battery ↓ | - | - |
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Compression Ratio
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9.2:1 | 8.6:1 ↓ | - | - | - |
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Emissions
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- | No emissions | No emissions | No emissions | No direct emissions |
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Tyres - Front
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25/8-12 | 25/8-12 | 100/80-10 ↑ | 60/100-12 ↓ | 60/100-12 |
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Tyres - Rear
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60/100-R12 | 60/100-12 | 130/60-13 ↑ | 60/100-12 ↓ | 60/100-12 |
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Primary Drive
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2WD; Yamaha Ultramatic® V-Belt / Forward, Neut.,Rev. | Yamaha On-Command pushbutton; 3-way locking differential; 2WD, 4WD, locked 4WD; shaft drive ↑ | - | Sun and planet gear | Sun and planet gear |
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Lighting system
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Dual 30W Krypton Multi-reflector Headlights and 21/5W Brake light | Multi-reflector headlight | Multi-reflector headlight | Multi-reflector headlight | Multi-reflector headlight |
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Wheel Travel - Front
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- | 50 mm / 5.8 in. | 50 mm / 2.0 in. | 50 mm / 2.0 in. | 50 mm / 2.0 in. |
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Wheel Travel - Rear
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- | 193 mm / 7.6 in. | 55 mm / 2.2 in. ↓ | 55 mm / 2.2 in. | 55 mm / 2.2 in. |
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Ignition
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DC - CDI | DC-CDI | - | - | - |
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Max Torque
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9.60 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 280 | 9.60 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 280 | 9.60 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 280 | 9.60 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 280 Revolutions | 9.60 Nm (1.0 kgf-m or 7.1 ft.lbs) @ 280 Revolutions |