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15 Shaft New (2025) Yamaha 8 HP Tiller (F8) four-stroke Outboard Motor (F8SMHB) Start Rope Tilt Manual

Original price was: $1,349.00.Current price is: $1,050.00.

Core Portability & Starting Features
  • Twin-Cylinder Smoothness: Unlike many competitors that use single-cylinder engines for this power bracket, the F8 uses a 212cc 2-cylinder layout, which significantly reduces vibration and noise.
  • Manual Rope Start with Auto-Decompression: Features an automatic mechanical device that reduces cylinder pressure during the pull-start. This allows you to start the engine with very little physical effort, usually on the first pull.
  • Ultra-Lightweight Portability: Weighing only 39.5 kg (87 lbs), it is designed for easy mounting and removal from small tenders, Jon boats, or inflatables.
  • On-Side Storage Pads: Specially engineered resting points allow you to lay the motor on its side during transport without worrying about oil leaking into the intake or cylinders.
Core Engine Specifications
  • Engine Type: SOHC In-line 2-Cylinder
  • Displacement: 197 cc (12.0 cu. in.)
  • Bore x Stroke: 56.0 x 40.0 mm (2.20 x 1.57 in)
  • Prop Shaft Horsepower: 8 HP at 5500 RPM
  • Full Throttle RPM Range: 5000 – 6000 RPM
  • Compression Ratio: 9.2:1
  • Fuel Induction System: Single Carburetor
  • Ignition System: CDI Microcomputer
  • Lubrication System: Wet Sump
  • Oil Capacity: 0.8L (with or without filter)
Dimensions & Mechanical Data
  • Shaft Length: 15″ (Short Shaft)
  • Dry Weight: Approximately 38 kg (84 lbs)
  • Starting System: Manual Rope Start (with Auto-Decompression for an easy pull)
  • Steering: Tiller Handle
  • Trim & Tilt: Manual Tilt (5 positions)
    • Tilt Range: 70°
    • Trim Range: -4° through +16°
  • Gear Ratio: 2.08:1
  • Gear Shift: Forward, Neutral, Reverse (F-N-R)
  • Alternator Output: 12V, 6 Amp (optional regulator required for battery charging)
Key Features
  • Portability: Features a large front carry handle and built-in resting pads for safe horizontal storage on two sides.
  • Freshwater Flush Device: Easy-access port to rinse salt and debris from the cooling system without running the engine.
  • Labyrinth Exhaust: Reduces engine noise at low RPM for a quieter experience on the water.
  • 90-Degree Steering: Offers exceptional maneuverability in tight spaces.
  • YDC-30 Aluminum Alloy: Yamaha’s proprietary alloy provides superior corrosion protection for long-term durability.
Fuel & Maintenance
  • Recommended Fuel: Regular Unleaded (Minimum 87 Octane)
  • Recommended Oil: Yamalube® 4M (10W-30)
  • Spark Plug: NGK® BR6HS-10
  • Warranty: 3-year limited warranty
  • Control & Maneuverability
    • Ergonomic Tiller Handle: Features a comfortable, long-reach handle with a front-mounted shift lever (Forward-Neutral-Reverse) for easy accessibility while seated.
    • Shallow Water Drive: Includes a dedicated setting that allows you to tilt the motor slightly to navigate thin water safely, protecting your propeller from ground strikes.
    • Steering Friction Adjustment: A simple lever allows you to adjust the steering tension to your preference—loose for quick maneuvers or tight for steady cruising.
    Performance & Engineering
    • Labyrinth Exhaust: This system routes exhaust through a complex internal path to trap noise and exits underwater through the propeller hub, making it quiet enough for easy conversation at trolling speeds.
    • CDI Microcomputer Ignition: Automatically adjusts timing to ensure the engine starts easily and remains fuel-efficient across the entire RPM range.
    • Thermostatic Cooling: A water-cooled system with a thermostat that ensures the engine maintains the ideal operating temperature for longevity and performance.
    Durability & Maintenance
    • 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 having to run the motor.
    • YDC-30 Aluminum Alloy: Yamaha’s proprietary anti-corrosive alloy, finished with a 5-stage exterior paint process for maximum saltwater protection.
    • Engine Protection Warnings: Features a low-oil-pressure warning light and an over-rev limiter to protect the engine from internal damage.
    Standard Accessories Included
    • External Fuel Tank: Typically supplied with a 12L (3.1-gallon) external tank and high-quality fuel line.
    • Propeller: Standard 3-blade aluminum propeller optimized for general utility

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