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15 Shaft New (2025) Yamaha 20 HP Tiller (F20) four-stroke Outboard Motor (F20SWHB) Start Electric Tilt Manual

Original price was: $3,399.00.Current price is: $2,087.00.

Advanced EFI & Starting Features
  • Battery-Less EFI: This Electronic Fuel Injection system ensures quick, reliable starts and smooth idling in all temperatures. Because it is battery-less, you can still easily rope-start the engine manually even if your battery is dead.
  • Electric Start: Offers effortless push-button starting. It includes a high-output 12-Amp Alternator to keep your starting battery charged and provide power for electronics like fish finders or navigation lights.
  • Auto-Decompression: Automatically reduces cylinder pressure during the start cycle, significantly reducing the physical effort required for both the electric starter and the manual backup rope.
Core Engine Specifications
  • Engine Type: SOHC In-line 2-Cylinder
  • Displacement: 432 cc (26.4 cu. in.)
  • Bore x Stroke: 65.0 x 65.1 mm (2.554 x 2.558 in)
  • Prop Shaft Horsepower: 20 HP at 5500 RPM
  • Full Throttle RPM Range: 5000 – 6000 RPM
  • Compression Ratio: 9.3:1
  • Fuel Induction System: Electronic Fuel Injection (EFI)
  • Ignition System: CDI Microcomputer
  • Lubrication System: Wet Sump
  • Oil Capacity: 1.1L (with filter) / 1.0L (without filter)
Dimensions & Mechanical Data
  • Shaft Length: 15″ (Short Shaft)
  • Dry Weight: Approximately 60 kg (132 lbs)
  • Starting System: Electric Start with Manual Rope Start backup
  • Steering: Multi-Function Tiller Handle
  • Trim & Tilt: Manual Tilt (4 positions)
    • Tilt Range: 62° – 71°
    • Trim Range: -3° through +16°
  • Gear Ratio: 2.08:1
  • Gear Shift: Forward, Neutral, Reverse (F-N-R)
  • Alternator Output: 12V, 16 Amp
Key Performance Features
  • Battery-less EFI: Ensures reliable starting and smooth performance without strictly requiring a battery for operation, though one is needed for the electric start function.
  • Variable Trolling RPM (VTS®): Precise trolling speed control (750–1050 RPM) adjustable in 50 RPM increments via the tiller handle.
  • Freshwater Flush Device: Easy-access port to rinse salt and debris from the cooling system without running the engine.
  • Advanced Corrosion Protection: Built with Yamaha’s YDC-30 aluminum alloy and Phaze Five multi-layer paint system.
  • Portability: Features integrated carry handles and resting pads for safe, oil-leak-free horizontal storage
  • Warranty: 3-year limited warranty
Control & Maneuverability
  • Variable Trolling RPM Switch (VTS): A standard feature on the tiller handle that allows you to adjust your trolling speed in 50-RPM increments (from 750 to 1050 RPM) with the press of a button.
  • Multi-Function Tiller Handle: Ergonomically designed with a longer, front-mounted shift lever (F-N-R) for easy reach, a large twist-grip throttle, and an integrated engine stop switch.
  • Manual Tilt with Shallow Water Drive: A simple, lever-actuated tilt mechanism with multiple preset positions, including a dedicated setting for navigating skinny water safely.
Performance & Engineering
  • 332cc 2-Cylinder SOHC: One of the lightest 20 HP 4-stroke engines in its class, providing an exceptional power-to-weight ratio for small tenders, Jon boats, and inflatables.
  • Labyrinth Exhaust: Routes exhaust through a maze to dampen noise before it exits underwater through the propeller hub, ensuring ultra-quiet operation.
  • PrimeStart™: An automatic enrichment system that eliminates the need for a manual choke, ensuring a consistent start on the first try every time.
Durability & Portability
  • Freshwater Flush Device: A front-mounted, easy-access port that lets you rinse salt and debris out of the cooling system with a garden hose without running the motor.
  • YDC-30 Aluminum Alloy: Yamaha’s proprietary anti-corrosive alloy, finished with a 5-stage paint process for maximum protection in saltwater environments.
  • On-Side Storage Pads: Built-in resting points allow the motor to be laid on its side during transport without oil leaking into the intake or cylinders.
Standard Equipment Included
  • External Fuel Tank: Typically supplied with a 25L (6.6-gallon) tank and fuel line.
  • Propeller: 3-blade aluminum propeller optimized for the high torque of the 20 HP engine

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