Mercury 135 Pro XS OptiMax User Manual

eng i
Thank You
for your purchase of one of the finest outboards available.
You have made a sound investment in boating pleasure.
Your outboard has been manufactured by Mercury Marine, a
world leader in marine technology and outboard
manufacturing since 1939. These years of experience have
been committed to the goal of producing the finest quality
products. This led to Mercury Marine's reputation for strict
quality control, excellence, durability, lasting performance,
and being the best at providing after the sale support.
Please read this manual carefully before operating your
outboard. This manual has been prepared to assist you in
the operation, safe use, and care of your outboard.
All of us at Mercury Marine took pride in building your
outboard and wish you many years of happy and safe
boating.
Again, thank you for your confidence in Mercury Marine.
EPA Emissions Regulations
Outboards sold by Mercury Marine in the United States are
certified to the United States Environmental Protection
Agency as conforming to the requirements of the regulations
for the control of air pollution from new outboard motors.
This certification is contingent on certain adjustments being
set to factory standards. For this reason, the factory
procedure for servicing the product must be strictly followed
and, wherever practicable, returned to the original intent of
the design. Maintenance, replacement, or repair of the
emission control devices and systems may be
performed by any marine engine repair establishment or
individual.
Engines are labeled with an Emission Control Information
decal as permanent evidence of EPA certification.
!
WARNING
The engine exhaust from this product contains chemicals
known to the state of California to cause cancer, birth
defects or other reproductive harm.
© 2012 Mercury Marine 135/150/175/150-175 Pro XS OptiMax 90-8M0055670 311

Mercury 135 Pro XS OptiMax Specifications

General

Displacement	153 CID (2.5L)
Horsepower	135 HP
Starting System	Electric
Full Throttle RPM Range	5000-5750 RPM
Steering	Remote
Alternator Output	60 amp / 756 watt
Engine Type	V6
Fuel System	2-Stage Direct Fuel Injection (DFI)
Shaft Length	20", 25"

Summary

Warranty Message

WARRANTY INFORMATION

Warranty Registration

Details the process for registering the product to be eligible for warranty coverage.

Outboard Limited Warranty

Covers what Mercury Marine warrants for new products regarding material and workmanship defects.

Warranty Coverage and Exclusions

Clarifies what is covered and what is not covered by the limited warranty.

U.S. EPA Emissions Limited Warranty

Details the five-year or 175-hour warranty for emission-related components.

General Information

Propeller Selection

Fuel and Oil

Fuel Recommendations

Details acceptable fuel types, octane ratings, and warnings about improper gasoline.

Oil Recommendation

Specifies recommended 2-cycle engine oils and warnings against inferior quality oils.

Fuel System

Features and Controls

Warning System

Describes the outboard warning system and horn signals for different functions.

Power Trim and Tilt

Operation

Engine Break-In Procedure

Details the required steps for breaking in a new engine to ensure longevity.

Starting the Engine

Provides step-by-step instructions for starting the outboard engine.

Maintenance

Inspection and Maintenance Schedule

Lists routine checks and maintenance tasks before, after use, and at intervals.

Flushing the Cooling System

Troubleshooting

Starter Motor Will Not Crank the Engine

Engine Will Not Start

Owner Service Assistance

Service Assistance

Outboard Installation

Important Information

Fuel Requirements

Propeller Installation

Provides detailed steps and warnings for installing the outboard propeller.