Yamaha F4LMHA 4HP Portable 4-Stroke 20″ Shaft Outboard Motor

Yamaha 4HP F4LMHA Portable 4-Stroke 20in

The Yamaha 4HP F4LMHA is a compact 139cc single-cylinder outboard featuring a 20-inch shaft, designed to provide reliable propulsion for small fishing boats, canoes, and as auxiliary power for sailboats. Utilizing a refined SOHC architecture, this model emphasizes lightweight efficiency and ease of use, delivering a quiet operational profile and clean-burning performance. The mechanical soul of the F4LMHA centers on pure portability, featuring an ergonomic carry handle and a streamlined cowl that facilitates easy transport and mounting for the solo adventurer.

Achieving peak technical performance, the F4LMHA is treated with Yamaha’s proprietary multi-layered anti-corrosion system and high-strength marine alloys. The engine includes a built-in 1.1L fuel tank for streamlined operation, though it remains compatible with an external tank for longer excursions. Maintenance is made effortless by the easy-access service points and the simplified single-cylinder design. This unit features a manual recoil start with a low-effort pulling mechanism and 180-degree steering for precise vessel control in technical shallow-water environments.

Key Features of Yamaha F4LMHA

• 139cc Single-Cylinder SOHC.
• 4 Horsepower Prop Shaft Rating.
• 20-Inch Shaft 62 lbs Weight.
• Three-Way Leak-Free Storage Design.
• Internal 1.1L Fuel Tank.
• Manual Recoil Start with Tiller Control.
• 2.08:1 Ratio Standard Gearcase.