The EPHIL X-40cc-T Pro gasoline engine is designed for small-scale RC aircraft and UAVs. It features a 40cc displacement, producing 4.6 HP, and operates at 1800-8300 RPM.
The engine includes an electric starter, Walbro carburetor, gear-drive propeller hub, and CM6 Iridium spark plugs. It has a 32mm bore, 27mm stroke, and a 9:1 compression ratio, with a total weight of 1786g.
This engine is known for its smooth operation, high efficiency, and easy maintenance.
 

Model: X-40cc-T Pro

Displacement: 40cc (2.44 cu in)

Performance: 4.6 HP

Speed Range: 1800-8300 RPM (Test Propeller-20*8)

Bore: 32 mm (1.26 in)

Stroke: 27mm (1.06 in)

Static Thrust: 11.5 kg 100 m ALT (25.4 lb @ 328 ft ALT)

Static Thrust: 9.0 kg @ 1800 m ALT (19.8 lb @ 5900 ft ALT)

Compression ratio: 9:1

Lubrication ratio: 30:1 (Fuel: 2-Stroke Motor Oil)

Ignition Voltage: 6-14 V

Spark Plug Type: CM6 Iridium Spark Plug

Recommended Propeller: 20x 8; 20x10; 19x8; 19x10

Weight of Main Engine: 1190g

Weight of Muffler Set: 136g ( L&R Mufflers; Screws)

Weight of Aluminum Standoffs Set: 84g

Weight of Spark Plug: 13.5g*2 (CM6*2)

Weight of CDI (Ignition): 175g

Weight of Starter: 113g

Weight of ESC: 36g

Total Weight: 1786g (3.94 lb)

Manual HERE