| Model |
JF/GX340 |
JF/GX390/E |
JF/GX420/E |
| Engine Type |
4-stroke, 25" Iinclined, single cylinder with Air-cooled |
|
Bore X stroke (mm/inch)
|
82x64/3.23x2.52 |
88 x 64/3.46x2.52 |
90 x 66/3.54x2.60 |
| 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 head-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 comsumption (g/HP-hour) |
260 |
| Engine oil capacity (L/gal) |
1.1/0.29 |
| Overall Dimensions (L x W x H)(mm) |
530 x 405 x 480/20.86 x 15.94 x 18.9 |
| xNet weigth (kg/lbs) |
31/68.2 |
32/70.4 |
32/70.4 |
| Gross weight |
33/72.6 |
34/74.8 |
34/74.8 |
| 20/40FT unit |
354/786 |
354/786 |
354/786 |
