
Yamaha F8LMHB 8HP – FourStroke 20-Inch Shaft
The Yamaha F8LMHB pairs a 197cc twin-cylinder SOHC powerhead with ergonomic tiller control, built for sailboat auxiliary transoms. It delivers 8HP, weighs 87 lbs, charges at 6 Amps, and spins a 2.08:1 gear ratio on a 20-inch shaft.
- Long 20-inch shaft suits auxiliary brackets
- Weighs 87 lbs, reducing stern load
- Tiller handle integrates responsive throttle friction
- Stator supplies 6 Amps of auxiliary charging
- Deep 2.08:1 gearcase turns thrust props
Yamaha F8LMHB 8HP Portable Long Shaft
The Yamaha F8LMHB 8HP outboard motor is a outboard of compact marine engineering, featuring a reliable 2-cylinder SOHC architecture for superior portable performance. This 197cc powerhead delivers a smooth and quiet operation while maintaining a lightweight dry weight of only 87 lbs, making it an ideal primary motor for small skiffs or a dependable kicker for larger vessels. Its 20-inch long shaft configuration provides versatile marine outboard solutions with consistent propeller immersion for vessels with high transoms requiring steady low-speed thrust.
2-Cylinder Smoothness
The F8LMHB utilizes a twin-cylinder configuration to provide a significantly smoother and quieter experience compared to single-cylinder portables. This balanced mechanical design reduces vibration felt through the tiller handle and the boat’s hull, making it appropriate for long hours of trolling or slow-speed exploration. Small boat owners enjoy a refined four-stroke operation that doesn’t compromise on torque or reliability.
Portable Long Shaft Versatility
The 20-inch shaft length is perfectly suited for high-transom inflatable tenders, small sailboats, and as a kicker motor on offshore fishing boats. This length helps support the propeller remains properly submerged in following seas to prevent aeration and maintain steady forward or reverse thrust. Captains gain improved tracking and steering authority when navigating calm inland lakes or protected coastal waterways.
Tiller Handle Command
This 8HP outboard features an ergonomic tiller handle for direct manual control over throttle, shifting, and steering at the stern. The front-mounted shift lever provides easy access for quick maneuvers in tight areas or busy harbors. You gain the tactile control necessary for precise maneuvers when docking or navigating through technical river sections with ease.
Refined OHV Induction
This 4-Stroke 8HP engine incorporates a precision-calibrated carburetor system to optimize fuel delivery for maximum simplicity and ease of maintenance. The digital CDI ignition manages engine timing to helps support easy manual starting even after long periods of storage. You achieve outstanding fuel economy while exploring remote shallow-water flats or inland river systems far from local marina fuel docks.
Yamaha Limited Warranty
The Yamaha F8LMHB is protected by a comprehensive 3-year limited factory warranty backed by strict engineering standards. This protection plan helps support long-term maritime durability and covers critical structural and essential mechanical components. Owners benefit from an extensive service network and genuine Japanese parts availability for all warranty repairs and routine maintenance.
Utility Tender Match
The F8LMHB 8HP provides the appropriate power balance for high-transom inflatable tenders and small wooden skiffs requiring a lightweight motor. Its 87 lbs design allows for manageable manual transport while maximizing efficiency on open water transits. Modern vessel owners enjoy the combination of quiet operation and legendary four-stroke performance on the water.
Portable Storage Ease
This 8HP outboard is designed with an easy-to-grip carry handle and a compact profile for simple transportation in a vehicle or storage in a locker. The wet sump lubrication system helps support the engine remains protected during operation while maintaining a simple maintenance schedule.Maintenance note: Follow the manufacturer’s service procedures and lubrication specifications for the engine and gearcase.
Product Specifications
YAMAHA F8LMHB Full Specs
| Engine type | 2-Cylinder / SOHC |
|---|---|
| Displacement | 197cc |
| Bore x stroke | 56 x 40 mm (2.20 x 1.57 in) |
| Horsepower | 8hp at 5500 RPM |
| Full-throttle rpm range | 5000 - 6000 RPM |
| Compression ratio | 9.2:1 |
| Fuel induction | Carburetor |
| Recommended fuel | Octane 87 |
| Ignition | CDI Microcomputer |
| Alternator output | 6 Amp |
| Gear ratio | 2.08:1 |
| Gear shift | Forward, Neutral, Reverse |
| Shaft length | 20 inch |
| Dry weight | 87 lbs (39 kg) |
| Controls | Manual (Tiller Handle) |
| Steering | Tiller |
| Trim and tilt | Manual Trim & Tilt |
| Exhaust | Through Propeller |
| Cooling system | Water, Thermostatic Control |
| Lubrication | Wet Sump |
| Oil capacity | 0.8L (0.85 Quarts) with filter |
| Emissions rating | C.A.R.B. 3-Star |
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