Yamaha F20LWPHB 20HP Outboard – 20in Shaft, Tiller, Power Tilt
Built simple, Yamaha F20LWPHB runs on 20 horsepower. Rigging includes a 20-inch shaft and tiller steering. A fit for small aluminum boats and light jon boats. It favors reliability over extra complexity at the helm.
- 20 horsepower, ready to run
- 20-inch shaft, standard fit
- Tiller steering, simple setup
- Power tilt for easy trailering
- Backed by standard marine warranty
Description
Premium tiller-steered utility boats reach peak performance when the Yamaha F20LWPHB applies its massive 432cc displacement. This twin-cylinder EFI block provides instant electric ignition, forcing aggressive low-end torque to navigate heavy aluminum skiffs through twisting marsh channels. Measuring your exact transom height guarantees this 20hp tiller outboard with power tilt mounts safely without starving the internal cooling water intakes.
Avoid devastating propeller strikes across shallow tidal flats by engaging the factory power tilt mechanism directly from the tiller grip. You elevate the 65 kg lower unit instantly to optimize your running draft effortlessly. Yamaha builds the external assembly using impact-deflecting marine aluminum alloys. This thick-wall metal prevents catastrophic structural fatigue when repowering premium fishing boats for continuous shallow coastal operation.
Key Features of Yamaha F20LWPHB
- Hydraulic Power Tilt: Lifts the gearcase completely clear of mud flats mechanically, preventing gearcase drag and catastrophic shallow water propeller strikes.
- 20-Inch Long Shaft: Reaches deep below elevated transoms, keeping the propeller fully engaged in steep offshore swells to prevent ventilation.
- Multi-Function Tiller Handle: Concentrates shift, throttle, and tilt inputs directly into your operating hand for immediate physical obstacle avoidance.
- Turn-Key Electric Start: Engages the flywheel instantly via 12-volt battery power, eliminating shoulder strain completely during freezing early morning boat launches.
- Electronic Fuel Injection: Atomizes fuel perfectly across the 5000-6000 RPM range, eliminating carburetor jet clogging and guaranteeing crisp throttle response.
- 16-Amp Charging Alternator: Outputs constant electrical current at cruising speeds, keeping deep cycle house batteries fully charged for heavy-duty marine electronics.
- 432cc Twin-Cylinder Block: Produces exceptionally smooth power internally, eliminating the harsh vibrations typically found in single-cylinder portable outboards.
- 2.08:1 Gear Ratio: Multiplies engine torque effectively, translating the 432cc displacement into relentless pushing force for heavily loaded commercial skiffs.
- Anti-Corrosion Finish: Blocks severe galvanic decay physically, protecting the aluminum powerhead block across decades of daily saltwater exposure.
- Clean Four-Stroke Combustion: Burns fuel with strict efficiency, guaranteeing peak performance while meeting modern clean-air environmental standards globally.
Why Choose Yamaha F20LWPHB
Choosing this specific engine limits installation entirely to 20-inch tall transoms requiring power tilt capabilities via a tiller handle. You cannot wire this to a forward steering console safely. Correcting helm geometry is a key step when finding a reliable 20hp power tilt outboard replacement.
- Measure the vertical distance from your top transom edge to the keel bottom.
- Verify the tiller handle sweep path clears your rear bench seating completely.
- Keep coastal waters clean by running highly regulated four-stroke engine configurations.
Ideal Application and Vessel Fitment
This 20-inch power-tilt outboard excels on premium aluminum fishing boats, deep-transom skiffs, and heavy displacement tenders requiring reliable 4-stroke tiller power. By integrating a 432cc displacement block with a high-output 16-amp alternator, the engine acts as an incredibly efficient mechanical workhorse. The integrated power tilt allows captains to lift the gearcase safely in shallow water, making this power tilt yamaha outboard motor an absolute necessity for coastal anglers operating in tidal zones.
Warranty, Support and Maintenance
Authorized recreational operation receives a 3-Year Pleasure Warranty alongside exceptional factory support. Registered commercial applications fall under a strict 1-Year Commercial Warranty with zero corrosion coverage applied to the block. Scheduled maintenance requires replacing gearcase lubricants and changing oil filters at manual-specified intervals. Always save all physical service records. Your engine serial number acts as the only way to source exact genuine replacement parts. For product details and order support, Mulmotor offers assistance before your purchase is placed.
Yamaha F20LWPHB Specs
| Brand | Yamaha |
| Full Model Code | F20LWPHB |
| Country of Origin | Thailand |
| Engine Family/Series | Portable High Efficiency |
| Engine Type | Inline-2, SOHC, 4-Stroke |
| Displacement | 432 cc |
| Horsepower | 20 HP |
| Full Throttle RPM Range | 5000-6000 |
| Fuel Induction System | EFI (Electronic Fuel Injection) |
| Alternator Output | 16 Amps |
| Gear Ratio | 2.08:1 |
| Shaft Length | L: 20in |
| Dry Weight | 65 kg (143 lbs) |
| Bore x Stroke | 65.0x65.1mm |
| Starting & Steering System | Electric Start / Tiller Handle |
| Trim/Tilt Method | Power Tilt |
| Oil Capacity | 1.1L |
| Recommended Fuel | 87 Octane |
| Standard Warranty | 3-Year Pleasure |
| Application | Premium tiller-steer boats requiring effortless power tilt operation. |













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