Arctic Cat HDX 500 2017, Service Manual

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General Information/
Foreword
This Arctic Cat Service Manual contains service, mainte-
nance, and troubleshooting information for the 2016 Arc-
tic Cat HDX. The complete manual is designed to aid
service personnel in service-oriented applications.
This manual is divided into sections. Each section covers
a specific vehicle component or system and, in addition
to the standard service procedures, includes disassem-
bling, inspecting, and assembling instructions. When
using this manual as a guide, the technician should use
discretion as to how much disassembly is needed to cor-
rect any given condition.
This service manual is designed primarily for use by an
Arctic Cat CatMaster Basic Level technician. The proce-
dures found in this manual are of varying difficulty, and
certain service procedures in this manual require one or
more special tools to be completed. The technician
should use sound judgment when determining which pro-
cedures can be completed based on their skill level and
access to appropriate special tools.

NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is nec-
essary.
When replacement of parts is necessary, use only genuine
Arctic Cat parts. They are precision-made to ensure high
quality and correct fit. Refer to the appropriate Illustrated
Parts Manual for the correct part number, quantity, and
description.
All Arctic Cat publications and decals display the words
Warning, Caution, Note, and At This Point to emphasize
important information. The symbol
! WARNING
identifies personal safety-related information. Be sure to
follow the directive because it deals with the possibility
of serious personal injury or even death. A CAU-
TION
identifies unsafe practices which may result in
vehicle-related damage. Follow the directive because it
deals with the possibility of damaging part or parts of the
vehicle. The symbol 
NOTE:
identifies supplementary
information worthy of particular attention. The symbol

AT THIS POINT directs the technician to cer-
tain and specific procedures to promote efficiency and to
improve clarity.
At the time of publication, all information, photographs,
and illustrations were technically correct. Some photo-
graphs used in this manual are used for clarity purposes
only and are not designed to depict actual conditions.
Because Arctic Cat Inc. constantly refines and improves
its products, no retroactive obligation is incurred.
All materials and specifications are subject to change
without notice.
Product Service and
Warranty Department
Arctic Cat Inc.
Specifications

NOTE: Specifications subject to change without notice.
MISCELLANY
Tire Size (front)
(rear)
26 x 9R-14
26 x 11R-14
Tire Inflation Pressure (cold) 82.7 kPa (12 psi)
Tire Inflation Pressure with cargo (cold) 138 kPa (20 psi)
Spark Plug Type NGK CR7E - 500
NGK CPR8E - 700
Spark Plug Gap (500)
(700) 0.7-0.8 mm (0.028-0.031 in.)
0.5-0.6 mm (0.019-0.024 in.)
Gas Tank Capacity 33 L (8.74 U.S. gal.)
Coolant Capacity (60/40 ratio) 4.5 L (4.8 U.S. qt)
Front Differential Capacity 269 ml (9.1 fl oz)*
Rear Drive Capacity 269 ml (9.1 fl oz)*
Engine Oil Capacity (approx) (500)
(700)
2.85 L (3.0 U.S. qt) - Overhaul
2.4 L (2.5 U.S. qt) - Change
2.2 L (2.4 U.S. qt) - Overhaul
1.9 L (2.0 U.S. qt) - Change
Gasoline (recommended) 87 Octane Regular
Unleaded
Engine Oil (recommended) Arctic Cat ACX All Weather
Synthetic
Front Differential/Rear Drive Lubricant
(One inch below plug threads) SAE Approved 80W-90
Hypoid
Drive Belt Width 28.5 mm (1.12 in.) - 500
35.0 mm (1.38 in.) - 700
Brake Fluid DOT 4
Taillight/Brakelight 12V/8W/27W
Headlight 12V/60/55W
ELECTRICAL SYSTEM
Ignition Timing (500)
(at full operating temperature( (700)
14° BTDC @ 1300 RPM
16° BTDC @ 1300 RPM
Spark Plug Cap 5000 ohms
Ignition Coil Resistance (primary)
(secondary)
Less than 5.0 ohms - 500
Less than 1 ohm - 700
N/A
Ignition Coil Primary Voltage Battery Voltage
Stator Coil Resistance (CKP Sensor)
(AC generator)
104-156 ohms
Less than 1 ohm
AC Generator Output (no load) 60 AC volts @ 5000 RPM
Crankshaft Position Sensor AC Voltage 2.5 volts or more - 500
2.0 volts or more - 700
VALVES AND GUIDES (500)
Valve Face Diameter (intake)
(exhaust)
30.6 mm
27.0 mm
Valve/Tappet Clearance (intake)
(cold engine) (exhaust)
0.10 mm
0.17 mm
Valve Guide/Stem (intake)
Clearance (max) (exhaust)
0.04 mm
0.06 mm
Valve Guide Inside Diameter 5.000-5.012 mm
Valve Seat Angle (intake/exhaust) 45°
Valve Spring Free Length (min) 42.8 mm
Valve Spring Tension @ 35.2 mm 18.6 kg (41.1 lb)
VALVES AND GUIDES (700)
Valve Face Diameter (intake)
(exhaust)
31.6 mm
27.9 mm
Valve/Tappet Clearance (intake)
(cold engine) (exhaust)
0.1016 mm
0.1524 mm
Valve Guide/Stem Clearance (intake) 0.051 mm
Valve Guide Inside Diameter 5.000-5.012 mm
Valve Head Thickness (min) 2.3 mm
Valve Seat Angle 45° +15’/+30’
Valve Spring Free Length (min) 38.65 mm
Valve Spring Tension @ 31.5 mm 16.32 kg (35.97 lb)