Centurion Ri257 User manual

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FUEL SYSTEMS
Boats manufactured for use in California for model year 2018 and after meet the
California EVAP Emissions regulation for spark-ignition marine watercraft. Boats
meeting this requirement will have a label affixed near the helm.
The fuel system in this boat complies with U.S. EPA mandated evaporative
emission standards at time of manufacture using certified components.
!
WARNING
Operating, servicing and maintaining a recreational
marine vessel can expose you to chemicals
including engine exhaust, carbon monoxide,
phthalates, and lead, which are known to the State
of California to cause cancer and birth defects or
other reproductive harm. To minimize exposure,
avoid breathing exhaust, service your vessel in a
well-ventilated area and wear gloves or wash your
hands frequently when servicing this vessel. For
more information go to:
www.P65warnings.ca.gov/marine

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TABLE OF CONTENTS
Introduction...................................................................................................... 1-1
Congratulations .......................................................................................... 1-1
About This Manual ..................................................................................... 1-2
About Your New Boat................................................................................. 1-3
Warranty........................................................................................................... 2-1
Warranty..................................................................................................... 2-1
Safety................................................................................................................ 3-1
General Safety ........................................................................................... 3-2
Good Boating Practices ............................................................................. 3-2
Tow Boat Safety......................................................................................... 3-4
Safety Decals and Statements................................................................. 3-20
Carbon Monoxide..................................................................................... 3-31
Required Boating Safety Equipment and Regulations ............................. 3-32
Recommended Safety Equipment............................................................ 3-39
Seating Locations..................................................................................... 3-40
Boating Regulations & Your Responsibilities.............................................. 4-1
Boat Owner / Operator Responsibilities ..................................................... 4-1
Safety ......................................................................................................... 4-2
Registration ................................................................................................ 4-2
Insurance ................................................................................................... 4-2
Reporting Accidents ................................................................................... 4-2
Boating Under the Influence....................................................................... 4-3
Operator’s License and Education ............................................................. 4-3
Operation by Minors................................................................................... 4-4
Emergency Assistance............................................................................... 4-4
Protecting the Environment........................................................................ 4-4
Foreign Species Transportation ................................................................. 4-4
Noise .......................................................................................................... 4-4
Speed......................................................................................................... 4-4
Wake .......................................................................................................... 4-5
Pollution Regulations ................................................................................. 4-5
Emergencies.................................................................................................... 5-1
First Aid / Medical Emergencies................................................................. 5-1
Emergency Preparation Checklist.............................................................. 5-1
Carbon Monoxide Poisoning ...................................................................... 5-1
Fire and Explosion ..................................................................................... 5-2
Using Distress Signal Devices and Calling for Help................................... 5-3

ii
Capsizing and Flooding.............................................................................. 5-4
Man Overboard........................................................................................... 5-4
Running Aground ....................................................................................... 5-5
Dangerous Weather ................................................................................... 5-6
Engine or Boat System Failure................................................................... 5-6
Accidents, Collisions and Giving Assistance.............................................. 5-6
Towing on the Water .................................................................................. 5-6
Operating in Hazardous Conditions .............................................................. 6-1
Severe Weather.......................................................................................... 6-1
Water Hazards............................................................................................ 6-2
Restricted Areas......................................................................................... 6-3
Markers, Warnings and Advisories............................................................. 6-4
Navigation Rules and Aids ............................................................................ 7-1
Audible Distress Signals............................................................................. 7-1
Right-of-Way............................................................................................... 7-2
Navigational Lights & Night Operation........................................................ 7-2
Speed ......................................................................................................... 7-3
Wake .......................................................................................................... 7-3
Overtaking / Passing .................................................................................. 7-3
Meeting Head-On ....................................................................................... 7-4
Crossing ..................................................................................................... 7-5
Aids to Navigation....................................................................................... 7-6
Controls, Features and Options..................................................................... 8-1
Tow Boat Technology................................................................................. 8-1
Steering System ......................................................................................... 8-6
Helm ........................................................................................................... 8-6
Switches and Breakers............................................................................. 8-10
Fuel System.............................................................................................. 8-18
Engine Cooling System ............................................................................ 8-19
Engine Exhaust System ........................................................................... 8-20
Engine Lubrication System....................................................................... 8-20
Electrical System...................................................................................... 8-20
Bilge Pump System .................................................................................. 8-21
Ballast Tank System (Optional)................................................................ 8-22
Ramfill Ballast Operation.......................................................................... 8-25
Propeller Strut........................................................................................... 8-26
Propeller ................................................................................................... 8-27
Engine Compartment Ventilation System................................................. 8-29
Trim Tab/Stinger Wake Plate (Optional)................................................... 8-29
Wake Tower (Optional)............................................................................. 8-30
Cockpit Heater System (Optional)............................................................ 8-30
Operating Your Boat........................................................................................ 9-1
Safety Precautions ..................................................................................... 9-1
Before Getting Under Way ......................................................................... 9-1

Table of Contents
iii
Getting Under Way..................................................................................... 9-7
Trailering and Launching.............................................................................. 10-1
Legal Considerations ............................................................................... 10-1
Trailer Type .............................................................................................. 10-1
Trailer Classification................................................................................. 10-1
Trailer Gross Vehicle Weight Rating ........................................................ 10-2
Vehicle Towing Hitch................................................................................ 10-2
Hitch Ball and Trailer Coupler .................................................................. 10-3
Safety Chains........................................................................................... 10-4
Towing Vehicle......................................................................................... 10-4
Trailer Brakes........................................................................................... 10-5
Trailering Guidelines ................................................................................ 10-6
Launching................................................................................................. 10-8
Loading Guidelines .................................................................................. 10-9
General Care and Maintenance.................................................................... 11-1
Hull Discoloration .................................................................................... 11-1
20-Hour Inspection................................................................................... 11-2
25-Hour Engine Inspection....................................................................... 11-2
Periodic Maintenance............................................................................... 11-3
Engine ...................................................................................................... 11-3
Fuel System ............................................................................................. 11-3
V-Drive ..................................................................................................... 11-4
Steering System....................................................................................... 11-4
Electrical System...................................................................................... 11-5
Corrosion Protection................................................................................. 11-7
General Maintenance and Cleaning......................................................... 11-8
Safety Equipment................................................................................... 11-11
General Boating Equipment ................................................................... 11-11
Trailer ..................................................................................................... 11-12
Winterization and Storage............................................................................ 12-1
Winterization and Storage Preparation .................................................... 12-1
Engine & V-Drive Winterization................................................................ 12-2
Storing on a Cradle or Blocks................................................................... 12-2
Storing on a Trailer................................................................................... 12-3
Recommissioning After Storage............................................................... 12-3
Lifting........................................................................................................ 12-5
Troubleshooting............................................................................................ 13-1
Glossary of Nautical Terms.......................................................................... 14-1

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1-1
Section 1
INTRODUCTION
CONGRATULATIONS
You have just become a member of the Centurion Boats family. This manual
contains recommended maintenance procedures to be used in the care of your
new boat. It is important that you read this information and familiarize yourself with
all the boat systems prior to operating or hauling your new Centurion Boat.
First read the warranty and disclaimer enclosed, then make sure your warranty
activation card has been sent to Fineline Industries to activate your warranty. If
you have any questions after reading this manual, please contact your local
authorized Centurion dealer.
Our mission at Centurion Boats is to continually strive to build the finest product in
the market place. We have set our standards high and would like you, our
customer, to know that we build pride into every boat model manufactured here at
Centurion Boats. One hundred percent customer satisfaction is the goal we strive
to achieve daily.

Section 1
1-2
ABOUT THIS MANUAL
Please keep this Operator’s Manual on-board for future reference and pass it
along to the new owner if you ever decide to sell the boat.
This manual has been written as a general guide to safe operating practices,
boating regulations and maintenance techniques for recreational boating.
This manual is not intended to be used as a replacement for specific information
and procedures covered in manuals provided by the manufacturer of the engine,
trailer and other major equipment.
Suppliers of some of the major components in your boat provide care and
operation information that has been included with your boat in your Owner’s
Information Kit. Read the information in this manual and the information in the
Owner’s Information Kit completely before operating your boat or any equipment.
Figure 1-1
Because we are constantly working toward product improvement, this manual is
intended to be a general guide only. The illustrations used in this manual may not
exactly match the equipment on your boat; they are intended only as general
reference views.
If this is your first time owning or operating a boat, it is recommended that you
contact your dealer or local boating agency to find out how to enroll in a boater
safety course prior to operating the boat.

Introduction
1-3
ABOUT YOUR NEW BOAT
Boat Terminology
You should understand, learn and use appropriate and common nautical
terminology while boating to ensure your safety and the safety of others. See
Glossary of Nautical Terms on page 14-1 for additional boating terminology.
Figure 1-2
Construction and Features
Construction begins outside-in, with our Integrated Composite System (ICS). ICS
is a 100% composite design that makes each Centurion Boat strong and uses a
three-piece construction process — hull, inner liner and deck. During construction,
gelcoat colors and full-contour graphics are sprayed into the molds, which ensure
that Centurion tow boats’ accents and graphics last all the way to the horizon.
After the gelcoat and fiberglass are applied and dried, giving the three ICS
components solid form, the deck, hull and liner are removed from their molds and
placed together. First, the inner liner is placed into the hull and bonded using a
material called Plexus®, which fuses fiberglass, creating an unbreakable seal. The
BOW
DRAFT
FREEBOARD
GUNWALE
STERN
WATERLINE
AFT FORWARD
HELM
BEAM
TRANSOM
LENGTH OVERALL (LOA)
STARBOARD
SIDE
PORT
SIDE
KC-0069C-A
RUDDER
PROPELLER
STRUT