| Model |
YMD/GX340 |
YMD/GX390/E |
YMD/GX420/E |
| Engine Type |
4-stroke,25" inclined, single cylinder with Air-cooled |
|
Bore x Stroke (mm/inch)
|
82x64/3.23x2.52 |
88x64/3.46x2.52 |
90x66/3.54x2.60 |
|
Displacement (ml)
|
337 |
389 |
420 |
| Compression ratio |
8:0:1 |
| Starting output (HP/rpm) |
11.0/3600 |
13.0/3600 |
15.0/3600 |
| Max.torque (N.m/rpm) |
23.5/2500 |
26.4/2500 |
29.3/2500 |
| Ignition system |
Non-contact transistorized ignition (T.C.I) |
| Start Mode |
Recoil and hand-operated/Electric start |
| Air Cleaner |
Semi-dry, oil bath, dual, double silent and cyclone type |
| Fuel tank capacity (L/gal) |
6.5/1.7 |
| Fuel consumption (g/HP-hour) |
260 |
| Engine oil capacity (L/gal) |
1.1/0.29 |
| Dimensions (L x W x H)(mm/inch) |
530x405x480/20.86x15.94x18.9
|
| Net weigth (kg/lbs) |
31/68.2 |
32/70.4 |
32/70.4 |
| Gross weight |
31/68.2 |
34/74.8 |
34/74.8 |
| 20/40FT unit |
354/786 |
354/786 |
354/786 |
