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Yamaha F25SMHA series User Manual

Yamaha F25SMHA series
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F25
T25
Performance. Fuel Effi ciency. Reliability. Convenience. Long-term value.
AVAILABLE
MODELS:
F25SMHA**
F25SEHA**
F25SEA**
F25LMHA**
F25LEHA**
F25LEA**
F25LA**
T25LA**
These are the benefi ts Yamaha constantly strives to provide in every outboard we make. Continuing
this innovative tradition Yamaha is proud to announce the newest additions to our mid-range outboard
family, the four stroke F25 and four stroke, high thrust T25.
PERFORMANCE
Our marine-specifi c, two-cylinder, single overhead camshaft design features a new cylinder
block and head for enhanced durability and economical power in a compact package.
A new streamlined cowling coupled with a tuned long intake track manifold and
our PrimeStart™ system mean outstanding fuel-effi ciency with easy starting, fast
acceleration, and excellent top-end speed. Available in both standard and
high-thrust models.
RELIABILITY
Yamaha’s proven design features advanced technology like
new electrical components and a new micro-computer controlled
ignition system. In addition, new pistons, connecting rods, and valves mean
greater strength for added reliability. Add a spin-on oil fi lter, integral engine
monitoring and warning system and Yamaha’s renowned Ultimate Corrosion
Protection System, and you have the features to help provide the peace
of mind that comes standard with every Yamaha outboard.
CONVENIENCE AND CONTROL
Yamaha’s F25 and high-thrust T25 offer the ultimate in convenience and control
in a wide range of applications; all in a compact, easy-to-own-and-operate package.
All models feature our Long Span Mounting System, helping to reduce vibration for
smoother operation. Standard tiller handle models have an improved handle featuring
greater strength and improved comfort. The high-thrust version T25 features a standard
Dual Thrust™ propeller, a larger lower unit with a high 2.42:1 gear ratio, electric start,
power trim and tilt, and remote control; making it ideal power for heavy loads like
small pontoons, sailboats, and work boats.
VALUE
Yamaha reliability. Exceptionally smooth and quiet operation. Outstanding fuel effi ciency.
Maximum performance and convenience. A 3-year pleasure use limited warranty, with a new
CARB 3-star rating. Yamaha’s new F25 and T25 are incredibly powerful and versatile values.
HOT SHEET
YAMAHA MARINE
Effective
February 12, 2009
**New Model Codes - F25
T25
Example
F/T 25 L E H A
Fuel Induction/ Horsepower Shaft Starting Method Control Generation
Engine Type Length PTT Method
F = Four Stroke S = 15” Blank = PTT & E start Blank = Remote A = 1st change on motor
T = High Thrust L = 20” P = PT & E start Control B = 2nd change on motor
Four Stroke X = 25” E = Electric start H = Tiller Handle C = 3rd change on motor
U = 30” M = Manual start C = Command Link Etc.
J = Jet Control
Due to Yamaha’s ongoing commitment to product improvement, we reserve the right to change without notice,
equipment, materials, or specifi cations.
Question and Answer IconNeed help?

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Yamaha F25SMHA series Specifications

General IconGeneral
Max Output25 hp at 5500 rpm
Fuel SystemEFI (Electronic Fuel Injection)
Full Throttle RPM Range5000 - 6000 rpm
Recommended FuelRegular Unleaded Gasoline (Minimum Pump Octane Number 87)
Recommended Engine OilYamalube 4M
Ignition SystemTCI
Alternator Output12V 16A
Gear ShiftF-N-R
Shaft Length15 in
ExhaustThrough propeller hub

Summary

Yamaha F25 T25 Outboard Key Benefits

Performance Features

Details the marine-specific, two-cylinder, SOHC design for enhanced durability and economical power.

Reliability Features

Highlights advanced technology like new electrical components and micro-computer controlled ignition for added strength.

F25 T25 Detailed Feature Breakdown

Warning and Protection Systems

Covers low oil pressure, over-heat warnings, over-rev limiter, and start-in-gear prevention.

Key F25 T25 Technologies Explained

F25 T25 Technical Specifications

Engine and Performance Specs

Lists displacement, horsepower, RPM range, compression ratio, and fuel induction system.

Electrical and Starting Systems

Details alternator output, starting method, starting system, ignition, and spark plug.

Operational and Physical Specs

Covers lubrication, oil capacity, trim/tilt, cooling, gear ratio, and weight.

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