| Model | EY28D | EY28B |
| Type | Air Cooled 4 Cycle Single Cylinder Side Valve Horizontal Shaft Gasoline Engine | |
| Bore x Stroke(mm) | 75 x 62 | |
| Piston displacement(cm3) | 273 | |
| Maximum output[HP(kw)/rpm] | 7.5(5.5)/4000 | 7.5(5.5)/2000 |
| Continuous output[HP(kw)/rpm] | 5.5(4.0)/3600 | 5.5(4.0)/1800 |
| Maximum torque[kgm(Nm)/rpm] | 1.4(13.7)/2800 | 2.8(27.5)/1400 |
| P.T.O Shaft Rotation | Counter-Clockwise Facing P.T.O.Shaft | |
| Type of Reduction | - | 1/2 Gear Reduction Type |
| Fuel | Automobile Gasoline | |
| Fuel Tank capacity(L) | 5.5 | |
| Lubricating Oil Capacity(L) | 0.85 | |
| Ignition System | Pointless Electronic Ignition | |
| Starting System | Recoil Starter(Electric Starter as Option) | |
| Dry Weight(kg) | 21 | 21.5 |
| Dimension L x W x H(mm) |
346 x 386 x 440 | |
*Specifications are subject to change without notice
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