Engine Selection

Configure your Lycoming VO or IVO-Series engine for reliable vertical lift performance. Specifically built for rotorcraft, these engines available in both carbureted (VO) and fuel-injected (IVO) versions offer compact design, responsive power delivery, and the durability needed for sustained helicopter operations.
Lycoming VO IVO-Series

Lycoming VO / IVO-Series

Description

Feature VO‑360 / IVO‑360 VO‑540 / IVO‑540
Cylinders 4 horizontally opposed 6 horizontally opposed
Mounting Vertical (rotorcraft-specific) Vertical
Fuel System VO: Carbureted ⋅ IVO: Fuel-injected VO: Carbureted ⋅ IVO: Fuel-injected
Cooling System Air-cooled, dry-sump Air-cooled, dry-sump
Typical RPM
Oil System Dry sump (shaft-driven pump) Same
Applications Enstrom F-28/F-280, Schweizer 300C (under STC) Bell 47, other light helicopters

Additional information

Select Engine Type

IVO-540, VO-435

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