Convenience & Control – CORROSION PROTECTION: Combined with our proprietary alloy (YDC-30), our exclusive Phaze Five™ electro-deposited, anti-corrosive paint system provides a tough, five-layer barrier against corrosion. This protection is standard on all Yamaha Portable four-stroke outboards. – MAX MANEUVERABILITY: A 45-degree steering angle in each direction means great maneuvering potential. – EASY ENGINE FLUSHING: A Freshwater Flush Device allows you to flush the engine without running it, for added convenience and extended engine life. – PORTABILITY AND STORAGE: Incredible light weights, built-in resting pads and carry handles, an easy oil retention system and an optional folding tiller handle, allow for easy carrying and on-side storage without oil leakage or cowling scuffs. Power & Performance – EFFICIENT POWER: The F25, F20 and F15 all feature a two-valve-per-cylinder, single-overhead-camshaft design that provides better breathing and more power. – OPTIMUM PERFORMANCE: An optimally balanced crankshaft and labyrinth exhaust deliver smooth power, while Microcomputer Ignition adjusts timing to maintain maximum engine performance, economy and power under all conditions – STREAMLINED INTAKE: An intake silencer and manifold on the F20 and F15 result in more direct airflow, for minimum noise and maximum power. – RESPONSIVE ACCELERATION: An acceleration pump on the F20 and F15 gives the engine the fuel it needs–when it needs it–like during rapid throttle advance. This ensures responsive acceleration. Reliability & Durability – OPTIMAL OPERATION: CDI Microcomputer Ignition monitors throttle position, engine speed and atmospheric conditions in order to precisely adjust ignition timing under all conditions for optimum ignition performance, ensuring smooth and reliable operation. – WET SUMP: A pressurized oil delivery system incorporates a compact and durable oil pump to keep all of the moving parts of their SOHC systems lubricated and running smoothly for maximum reliability. – ENGINE WARNING SYSTEM: Protects the outboard with a range of functions including: overheat protection and low-oil-pressure warning (automatically reducing maximum RPM to 2000), over-rev protection, start-in-gear protection and shift-in prevention at open throttle. General Information Manufacturer Yamaha Model F15 Portable Tiller Model Code F15SMHA Color Grey Electrical Alternator Output 10 amp Engine Engine Type 2 cylinder Ignition CDI Starting Manual Exhaust Through propeller Measurements Power 15 Horsepower Displacement 362 Cubic Centimeter Bore x Stroke 63 x 58.1 mm (2.48 x 2.29 in) Shaft Length 20″ Dry Weight 115 lbs Operational Steering Tiller handle Fuel Type Unleaded Use Fresh and Salt Water Full Throttle RPM Range 5,000 – 6,000 rpm Fuel Induction EFI Lubrication Wet sump Recommended oil – Yamalube® 4M Oil capacity with filter – 1.8 l Oil capacity without filter – 1.6 l Cooling Thermostatic control Gear Ratio 2.08:1 Gear Shift Forward, neutral, reverse Trim System -4° through 16° Degree of tilt – 71° Propeller Aluminum Other Warranty 3 Year Pleasure, 3 Year Government, 1 Year Commercial
