F250 SPECIFICATIONS
PERFORMANCE, RELIABILITY, CONVENIENCE
F6 / F4
Portables Four Stroke
LIGHTWEIGHT, PORTABLE POWER
MAXIMUM EFFICIENCY
EASY OPERATION
RELIABLE LUBRICATION AND STORAGE
COMFORTABLE, CONVENIENT CONTROL
VERSATILE PERFORMANCE
Weighing in as light as 60 pounds, these 139cc OHV single
cylinder four stroke powerhouses offer a CDI ignition system,
optimally-balanced crankshaft, long span mounting system,
labyrinth exhaust and a host of other features for smooth,
quiet power. They even have built-in carrying handles for
true portability and convenience.
Yamaha’s new F4 and F6 both feature a pressurized oiling
system. They can be stored on either side or on the front grip
without fear of oil leakage, due to Yamaha’s exclusive Easy
Storage Oil Retention System.
The carburetor and its setting is factory-selected for
maximum fuel effi ciency, helping these outboards achieve
a 3-star C.A.R.B. emissions rating. Additionally, automatic
decompression, built-in auxiliary priming, and start-in-gear
prevention help make for easy, safer starts.
With a dynamically-balanced and dampened large twist-grip
throttle, 180-degree steering, and large F-N-R shift handle;
comfortable, convenient control is key.
A 1.1L see-through fuel tank is built in, with switchable access
to an optional external tank for extended range. A tilted, water-
resistant fuel fi ller cap and built-in fuel strainer add to both the
convenient operation and reliability of these outboards.
A 5-step trim adjustment couples with a 3-step Shallow Water
Drive System to help make these outboards perform in various
conditions. A splined propeller shaft and an expanded selection
of available propeller sizes give you performance that’s versatile
and easy to handle and operate.
Revised 12/18/09
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