The engine is a four-cylinder,
four-stroke,
horizontally-opposed, 3,503 cc (213.8 cu in), air-cooled, direct drive, gasoline engine design. It employs dual
electronic ignition, multi-point
EFI and produces 118 hp (88 kW) at 3300 rpm.[1][2]
Variants
UL350i
Base model that produces 118 hp (88 kW) at 3300 rpm.[1][2]
UL350iS
Higher compression model that produces 130 hp (97 kW) at 3300 rpm.[3]
UL350iSA
Same as UL350iS but with inverted oil system for aerobatic use.[4]
UL350iHPS
Special version for helicopter use. It produces 150 hp (112 kW) at 3500 rpm.[5]