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Arctic Cat 2010 366 - User Manual

Arctic Cat 2010 366
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FOREWORD
This Arctic Cat Service Manual contains service, maintenance, and troubleshooting information for the 2010 Arc-
tic Cat 366 ATV. The complete manual 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 correct any given
condition.
The service technician should become familiar with the operation and construction of each component or system
by carefully studying the complete manual. This manual will assist the service technician in becoming more aware
of and efficient with servicing procedures. Such efficiency not only helps build consumer confidence but also saves
time and labor.
All Arctic Cat ATV 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 severe personal 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 supplementary
information worthy of particular attention. The symbol
AT THIS POINT directs the technician to certain
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.
Keep this manual accessible in the shop area for reference.
Product Service and
Warranty Department
Arctic Cat Inc.
© 2009 Arctic Cat Inc. October 2009
®™ Trademarks of Arctic Cat Inc., Thief River Falls, MN 56701
Manual
Table of Contents
FOR ARCTIC CAT ATV DISCOUNT PARTS CALL 606-678-9623 OR 606-561-4983
www.mymowerparts.com

Table of Contents

Questions and Answers

  • X
    Xavier WhiteAug 19, 2025
    Why is my Arctic Cat Offroad Vehicle engine hard to start or not starting (No spark)?
    • D
      daniel79Aug 19, 2025
      If your Arctic Cat Offroad Vehicle engine won't start and there's no spark, it could be due to several reasons: * The spark plug may be fouled and needs cleaning or replacement. * The spark plug may be wet and needs cleaning and drying. * The magneto could be defective and require replacement. * The CDI unit might be defective, necessitating its replacement. * The ignition coil could be defective and need replacing. * The high-tension lead might be open or shorted, requiring its replacement.
  • D
    damon12Aug 21, 2025
    What to do if my Arctic Cat Offroad Vehicle engine will not start or is hard to start (Compression too low)?
    • J
      Jason RoblesAug 21, 2025
      If your Arctic Cat Offroad Vehicle engine is hard to start or won't start due to low compression, possible causes and solutions include: * Valve clearance out of adjustment: Adjust the clearance. * Valve guides worn: Replace the cylinder head. * Valves mistimed: Adjust the valve timing. * Piston rings worn excessively: Replace the rings. * Cylinder bore worn: Replace or rebore the cylinder. * Spark plug seating poorly: Tighten the plug. * Starter motor cranks too slowly or does not turn: Check or replace the starter motor.
  • C
    Courtney IrwinAug 23, 2025
    Why does my Arctic Cat Offroad Vehicle engine stall easily?
    • L
      Lori PatelAug 25, 2025
      Your Arctic Cat Offroad Vehicle engine might stall easily due to: * A fouled spark plug, which needs to be cleaned. * A defective magneto, requiring replacement. * A defective CDI unit, requiring replacement. * Obstructed carburetor jets, which need cleaning. * Valve clearance being out of adjustment, requiring adjustment.
  • Z
    Zachary PierceAug 26, 2025
    What to do if my Arctic Cat Offroad Vehicle engine will not start or is hard to start (No fuel reaching the carburetor/fuel injector)?
    • A
      Alexis ShermanAug 26, 2025
      If your Arctic Cat Offroad Vehicle engine isn't starting because fuel isn't reaching the carburetor or fuel injector, check the following: * The gas tank vent hose might be obstructed; clean the vent hose. * The carburetor float valve could be defective; replace the valve. * The fuel hose might be obstructed; clean or replace the hose. * The fuel screens could be obstructed; clean or replace the inlet screen and valve screen. * The fuel pump could be defective; replace the fuel pump.
  • C
    Carl SimmonsAug 28, 2025
    Why is the exhaust smoke dirty or heavy on my Arctic Cat Offroad Vehicle?
    • C
      Cynthia SteeleAug 28, 2025
      Dirty or heavy exhaust smoke from your Arctic Cat Offroad Vehicle can be caused by: * Overfilled or contaminated engine oil: Drain excess oil or replace the oil. * Worn piston rings or cylinder: Replace or service the rings or cylinder. * Worn valve guides: Replace the cylinder head. * Scored or scuffed cylinder wall: Replace or service the cylinder. * Worn valve stems: Replace the valves. * Defective stem seals: Replace the seals.
  • A
    Angela SilvaAug 30, 2025
    Why does my Arctic Cat Offroad Vehicle engine run poorly at high speed?
    • S
      Seth Wise IIIAug 30, 2025
      If your Arctic Cat Offroad Vehicle engine runs poorly at high speed, consider these potential causes: * High RPM "cut out" against RPM limiter: Shift into higher gear or decrease speed. * Weak valve springs: Replace the springs. * Valve timing out of adjustment: Adjust the timing. * Worn cams, rocker arms, or tappets: Replace the cams, arms, or tappets. * Spark plug gap too narrow: Adjust the gap. * Defective ignition coil: Replace the ignition oil. * Float level too low: Adjust float height. * Obstructed air cleaner element: Clean the element. * Obstructed fuel hose: Clean or replace the hose. * Defective fuel pump: Replace the fuel pump.
  • S
    susan96Sep 1, 2025
    How to fix excessive valve chatter in my Arctic Cat Offroad Vehicle engine?
    • S
      Stephen ShahSep 2, 2025
      Excessive valve chatter in your Arctic Cat Offroad Vehicle engine could be due to: * Valve clearance being too large: Adjust the clearance. * Weak or broken valve spring(s): Replace the spring(s). * Worn rocker arm or rocker arm shaft: Replace the arm or shaft. * Worn camshaft: Replace the camshaft. * Worn valve tappets: Replace the tappets.
  • M
    Marisa RamirezSep 4, 2025
    What causes noise from the crankshaft in my Arctic Cat Offroad Vehicle engine?
    • K
      Kelsey HessSep 4, 2025
      If the noise in your Arctic Cat Offroad Vehicle engine seems to come from the crankshaft, it could be due to: * A worn or burned bearing: Replace the bearing. * A worn or burned lower rod-end bearing: Replace the crankshaft. * Connecting rod side clearance being too large: Replace the crankshaft.
  • B
    Benjamin FloresSep 6, 2025
    What causes a noisy timing chain in my Arctic Cat Offroad Vehicle engine?
    • G
      Gregory MatthewsSep 6, 2025
      If the noise in your Arctic Cat Offroad Vehicle engine seems to come from the timing chain, consider these possibilities: * The chain is stretched: Replace the chain. * The sprockets are worn: Replace the sprockets. * The tension adjuster is malfunctioning: Repair or replace the adjuster.
  • F
    francojennaSep 9, 2025
    What causes noise from the transmission in my Arctic Cat Offroad Vehicle engine?
    • S
      smithjasmineSep 9, 2025
      If the noise in your Arctic Cat Offroad Vehicle engine seems to originate from the transmission, it could be due to: * Gears worn or rubbing: Replace the gears. * Splines worn: Replace the shaft(s). * Primary gears worn or rubbing: Replace the gears. * Bearings worn: Replace the bearings. * Bushing worn: Replace the bushing.

Summary

SECTION 1 - GENERAL INFORMATION;SPECIFICATIONS

General Specifications

Provides detailed technical specifications for the ATV.

Torque Specifications

Lists torque values for various fasteners and components.

Break-In Procedure

Outlines the recommended break-in period for new ATVs.

Gasoline - Oil - Lubricant

Details recommended fuels, oils, and lubricants for the ATV.

SECTION 2 - PERIODIC MAINTENANCE

Periodic Maintenance Chart

A chart detailing maintenance schedules for various ATV components.

Battery

Procedures for cleaning, charging, and maintaining the ATV battery.

Fuses

Information on the location and replacement of fuses.

Air Filter

Instructions for cleaning and inspecting the air filter element.

SECTION 3 - ENGINE;TRANSMISSION

Specifications

Technical specifications and guides for engine and transmission components.

Troubleshooting

Common engine and transmission problems and their solutions.

SECTION 4 - FUEL;LUBRICATION;COOLING

Carburetor Specifications

Detailed specifications for the ATV carburetor.

Electric Choke

Procedures for removing, inspecting, and testing the electric choke.

Carburetor

Steps for removing, disassembling, cleaning, and installing the carburetor.

SECTION 5 - ELECTRICAL SYSTEM

Specifications

Lists electrical specifications, component resistances, and voltages.

Battery

Information on battery testing and voltage checks.

Fuses

Procedures for checking and testing fuses in the distribution module.

Ignition Coil

Tests for ignition coil primary and secondary winding resistance.

SECTION 6 - DRIVE SYSTEM

Front Drive Actuator

Procedures for removing and installing the front drive actuator.

Front Differential

Steps for removing and disassembling the front differential.

Drive Axles

Instructions for removing and installing rear and front drive axles.

Arctic Cat 2010 366 Specifications

General IconGeneral
BrandArctic Cat
Model2010 366
CategoryOffroad Vehicle
LanguageEnglish

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