General Information/Foreword; Specification - Arctic Cat Altera 300 Service Manual

General
Information/Foreword
This Arctic Cat Service Manual contains service, mainte-
nance, and troubleshooting information for the 2017 Arc-
tic Cat ATV 300 and is designed to aid service personnel
in service-oriented applications.
This manual is divided into sections. Each section covers
a specific ATV component or system and, in addition to
the standard service procedures, includes disassembling,
inspecting, and assembling instructions. When using this
manual as a guide, the technician should use discretion as
to how much disassembly is needed to address 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 ATV parts. They are precision-made to ensure
high quality and correct fit. Refer to the appropriate Illus-
trated Parts Manual for the correct part number, quantity,
and description.
Arctic Cat ATV publications and decals display the
words Warning, Caution, Note, and At This Point to
emphasize important
! WARNING identifies personal safety-related
information. Be sure to follow the directive because it
deals with the possibility of serious injury or even death.
A CAUTION identifies unsafe practices which may
result in ATV-related damage. Follow the directive
because it deals with the possibility of damaging part or
parts of the ATV. The symbol  NOTE: identifies sup-
plementary information worthy of particular attention.

AT THIS POINT directs the tech-
The symbol
nician to certain and specific procedures to promote effi-
ciency 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.
2
information. The symbol

Specification

NOTE: Specifications subject to change without notice.

CHASSIS
Dry Weight (approx)
Length (overall)
Height (overall)
Width (overall)
Tire Size (Front)
(Rear)
2
Tire Inflation Pressure
MISCELLANY
Spark Plug Type
Spark Plug Gap
Gas Tank Capacity
Reserve Capacity
Engine Oil Capacity
Transmission (Overhaul)
Lubricant Capacity (Change)
Gasoline (recommended)
Engine Oil (recommended)
Cooling System Capacity
Rear Drive Capacity Overhaul
Change
Rear Drive Lubricant
Brake Fluid
Taillight/Brakelight
Headlight
FUEL SYSTEM
Carburetor Type
Main Jet
Starter Jet
Slow Jet
Needle Jet
Jet Needle
Idle RPM
Float Arm Height
Throttle Cable Free-Play (at lever) 1-4 mm (1/16-3/16 in.)
ELECTRICAL SYSTEM
Ignition Timing
Spark Plug Cap
Ignition Coil Resistance (primary)
(secondary)
Magneto Coil Resistance(trigger)
(charging)
Magneto Output (approx) 220W @ 5000 RPM
Stator Coil Output (no load) 40-60 AC volts@3500 RPM
CAMSHAFT AND CYLINDER HEAD
Cam Lobe Height (min) (intake)
(exhaust)
Rocker Arm/Shaft Clearance
(max)
Cylinder Head/Cover Distortion
(max)
216.4 kg (477 lb)
184.2 cm (72.5 in.)
116.8 cm (46.0 in.)
102.1 cm (40.5 in.)
AT22 x 7-10
AT22 x 10-10
34.47 kPa (5 psi)
NGK DPR7EA-9
0.6-0.7 mm (0.023-0.027 in.)
12.8 L (3.4 U.S. gal.)
4.54 L (1.2 U.S. gal.)
1.4 L (1.5 U.S. gt)
600 ml (20.3 fl/oz)
500 ml (16.9 fl/oz)
87 Octane Regular Unleaded
Arctic Cat ACX All Weather
(Synthetic)
1.4 L (1.5 U.S. qt)
150 ml (5 fl oz)
98.5 ml (3.33 fl oz)
SAE Approved 80W-90 Hypoid
DOT 4
12V/5W/21W
12V/35W (2)
Keihin CVK32
112
60
38
4.0/3.6
NLRA
1250-1350
17.0 mm (0.67 in.)
5° BTDC ("F" mark) @ 1000 RPM
4500-6150 ohms
2.4-3.0 ohms
12,300-16,600 ohms
105-110 ohms
Less than 1 ohm
34.15 mm
34.05 mm
0.1 mm
0.05 mm