Polaris ACE 150 EFI 2018 User manual

2018
Owner’s MAnual
POLARIS ACE® 150 EFI

WARNING
Read, understand, and follow all of the instructions and safety
precautions in this manual and on all product labels.
Failure to follow the safety precautions
could result in serious injury or death.
WARNING
The engine exhaust from this product contains chemicals
known to the State of California to cause cancer, birth defects
or other reproductive harm.
For videos and more information
about a safe riding experience with
your Polaris vehicle, scan this QR
code with your smartphone.

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Visit us at www.polaris.com

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POLARIS® is a trademark of POLARIS Industries Inc.
Copyright 201POLARIS Industries Inc. All information contained within this
publication is based on the latest product information at the time of publication. Due
to constant improvements in the design and quality of production components, some
minor discrepancies may result between the actual vehicle and the information
presented in this publication. Depictions and/or procedures in this publication are
intended for reference use only. No liability can be accepted for omissions or
inaccuracies. Any reprinting or reuse of the depictions and/or procedures contained
within, whether whole or in part, is expressly prohibited.
The original instructions for this vehicle are in English. Other languages are provided
as translations of the original instructions.
Printed in China
201ACE 150 EFI Owner’s Manual
P/N 992

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WELCOME
Dear Parents:
We believe your children should have the opportunity to enjoy the
POLARIS riding experience along with you. We encourage you to
teach your children to ride safely, and to help ensure the future of
recreational sports, please teach them to show respect for our
environment and for the rights of others while operating the vehicle.
This vehicle is not a toy and can be hazardous to operate. We've
provided this owner’s manual and an instructional video to help you
and your children learn about the safe operation and care of your new
POLARIS vehicle. Before your children drive in the vehicle, please
read and make sure they read this owner’s manual. Watch the
instructional video with them. Make sure all operators understand
and follow all of the instructions and warnings contained in this
owner’s manual and video. Make sure they understand that the vehicle
must be used under adult supervision at all times.
After reading this owner’s manual and watching the video, help your
child practice the New Operator Driving Procedures on pages 47-48.
Never allow a child under age 10 to operate this vehicle. Children
differ in skills, physical abilities and judgement. Please supervise the
use of the vehicle at all times. Permit continued use only if you
determine that your child has the ability and maturity to operate safely.

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WELCOME
For your child’s safety, be sure your child can reach and operate all
ACE 150 controls, including steering wheel, accelerator and brake
pedals, and ignition switch. Make sure your child is not too tall to ride
safely in this vehicle. See page 14.
The vehicle’s speed control system allows adults to limit vehicle speed
for new and inexperienced operators. Please see page 39 for more
information.
The preventive maintenance program outlined in this manual is
designed to ensure that all critical components on your child's vehicle
are thoroughly inspected at specific intervals. Always follow all of the
instructions and recommendations in this manual to ensure the vehicle
remains in safe operating condition at all times.
This POLARIS vehicle is not designed for adult use. Serious damage
may occur if the maximum weight capacity is exceeded. Refer to
vehicle labels and to the specifications section beginning on page 100
for the maximum weight capacity.

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WELCOME
Dear Young Operators:
Before you ride your new POLARIS vehicle, there are some important
things that you need to know. You must learn how to keep yourself
and those around you safe while you're riding.
Your parents and POLARIS want you to be safe while you enjoy
riding your new vehicle, and that's why it’s very important that you
read this owner’s manual and watch the instructional video. Make sure
you understand and follow all of the instructions and warnings in this
owner’s manual and video. Ask your parents to explain anything you
don't understand.
Your safety and the safety of others is the most important thing to
think about at all times. Pay attention when you see this symbol:
This is the safety alert symbol. When you see this symbol on your
vehicle or in this manual it means PAY ATTENTION because you could
die or be seriously injured if you don't follow the instructions.
After reading this owner’s manual and watching the video, complete
the New Operator Driving Procedures on pages 47-48. Show your
parent that you understand how to drive safely.
Enjoy riding your new POLARIS vehicle!

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TABLE OF CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Features and Controls . . . . . . . . . . . . . . . . 27
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Emission Control Systems . . . . . . . . . . . . 56
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 57
Specifications . . . . . . . . . . . . . . . . . . . . . . 100
POLARIS Products . . . . . . . . . . . . . . . . . . 102
Troubleshooting . . . . . . . . . . . . . . . . . . . . 103
Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Maintenance Log. . . . . . . . . . . . . . . . . . . . 115
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

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INTRODUCTION
The following signal words and symbols appear throughout this
manual and on your vehicle. Your safety is involved when these words
and symbols are used. Become familiar with their meanings before
reading the manual.
The safety alert symbol indicates a potential personal injury hazard.
DANGER
A DANGER indicates a hazardous situation that, if not avoided, will result in
death or serious injury.
WARNING
A WARNING indicates a hazardous situation that, if not avoided, could result
in death or serious injury.
CAUTION
A CAUTION indicates a hazardous situation that, if not avoided, could result in
minor or moderate injury.
NOTICE
A NOTICE indicates a situation that could result in property damage.
The Prohibition Safety Sign indicates an action NOT to take in order
to avoid a hazard.
The Mandatory Action Sign indicates an action that NEEDS to be
taken to avoid a hazard.

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INTRODUCTION
Failure to follow the warnings and safety precautions contained in this manual
can result in severe injury or death. Your POLARIS vehicle is not a toy and
can be hazardous to operate. This vehicle handles differently than cars, trucks
or other off-road vehicles. A collision or rollover can occur quickly, even during
routine maneuvers like turning, or driving on hills or over obstacles, if you fail
to take proper precautions.
• Never operate this vehicle without proper instruction. All operators and
supervising adults must watch the instructional video that was provided with
the vehicle. Read this owner’s manual and review the safety DVD that came
with your vehicle. A free extra copy of the DVD can be obtained by
contacting your local POLARIS dealer. Understand all safety warnings,
precautions and operating procedures before operating the vehicle. Keep
this manual with the vehicle.
• For your child’s safety, be sure your child can reach and operate all ACE 150
controls, including steering wheel, accelerator and brake pedals, and ignition
switch. All operators must be able to sit with backs against the seat, both feet
flat on the floor and both hands on the steering wheel.
• Always follow the age guidelines for your vehicle. Operation is prohibited for
anyone under age 10.
• Always use the cab nets (or doors) while riding in this vehicle. Always keep
hands, feet and all other body parts inside the vehicle at all times.
• Always wear a helmet, eye protection, gloves, long-sleeve shirt, long pants
and over-the-ankle boots.
• Complete the New Operator Driving Procedures outlined on pages 47-3.
Never allow a guest to operate this vehicle until the guest has watched the
instructional video and has completed the New Operator Driving Procedures.
• Passengers are prohibited at all times. Never allow someone other than the
current driver to occupy this vehicle.
WARNING