The entry engine of the XW piston family: a 3.05 kg twin-boxer two-stroke with automatic-advance CDI ignition, sized for push or pull installations on light airframes.
Highlights
3.05 kg complete with ignition — power-to-weight for the lightest UAV classes.
Suitable for both tractor and pusher installations.
50:1 premix with CDI 6.0–14.4 V DC ignition — minimal support equipment.
Applications
Light fixed-wing ISR & training platforms · Target drones · R&D testbeds
Product Images
Full Specifications
| Item | Value | Evidence |
|---|---|---|
| Layout | Twin boxer, two-stroke, air-cooled | Manufacturer spec |
| Max power | 8.68 kW (11.64 hp) | Manufacturer spec |
| Bore × stroke | 45.00 × 35.00 mm | Manufacturer spec |
| Speed range | 1800–8500 rpm | Manufacturer spec |
| Weight | 3.050 kg incl. ignition unit | Manufacturer spec |
| Crankshaft | 3-ball bearing | Manufacturer spec |
| Fuel mix | 50:1 | Manufacturer spec |
| Ignition | CDI, 6.0–14.4 V DC | Manufacturer spec |
FAQ
Which airframes suit the XW120F?
Light fixed-wing and target platforms in the ≤25 kg MTOW class — it is the lightest engine in the XW piston family.
Does it include ignition?
Yes — 3.05 kg includes the CDI ignition unit (manufacturer specification).
Fuel and oil?
50:1 gasoline premix with fully synthetic two-stroke oil.