2021 Arctic Cat Alterra 450 ATV Service Manual
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Table Of Contents:
2021 Arctic Cat Alterra 450 ATV Service Manual
General Information/Foreword ………………………………….. 2
Specifications ……………………………………………………… 2
Torque Specifications …………………………………………… 3
Torque Conversions (ft-lb/N-m)………………………………. 4
Gasoline — Oil — Lubricant ………………………………….. 4
Preparation for Storage ………………………………………… 5
Preparation after Storage ……………………………………… 5
Periodic Maintenance/Tune-Up………………………………….. 6
Air Filter ……………………………………………………………… 6
Valve/Tappet Clearance………………………………………… 7
Testing Engine Compression…………………………………. 8
Spark Plug ………………………………………………………….. 8
Muffler/Spark Arrester…………………………………………… 9
Engine/Transmission Oil — Filter ………………………….. 9
Front Differential/Rear Drive Lubricant ………………….. 10
Driveshaft/Coupling ……………………………………………..11
Shift Lever ………………………………………………………….11
Hydraulic Brake Systems…………………………………….. 12
Burnishing Brake Pads ……………………………………….. 13
Checking/Replacing V-Belt …………………………………. 13
Steering/Body/Controls…………………………………………… 16
Front Rack/Body Panel/Fender ……………………………. 16
Rear Rack/Body Panel ……………………………………….. 17
Steering Post/Tie Rods……………………………………….. 19
LCD Gauge……………………………………………………….. 21
Handlebar Grip ………………………………………………….. 21
Throttle Control………………………………………………….. 21
Steering Knuckles………………………………………………. 22
Front Wheel Alignment ……………………………………….. 24
2WD/4WD Shift Lever…………………………………………. 24
Seat …………………………………………………………………. 25
Lights ……………………………………………………………….. 26
Troubleshooting …………………………………………………. 28
Engine/Transmission………………………………………………. 29
Troubleshooting …………………………………………………. 30
Removing Engine/ Transmission ………………………….. 32
Top-Side Components ………………………………………… 34
Removing Top-Side Components …………………………. 34
Servicing Top-Side Components ………………………….. 37
Installing Top-Side Components …………………………… 42
Left-Side Components………………………………………… 46
Removing Left-Side Components…………………………. 46
Servicing Left-Side Components ………………………….. 48
Installing Left-Side Components…………………………… 51
Right-Side Components ……………………………………… 52
Removing Right-Side Components ………………………. 53
Servicing Right-Side Components………………………… 55
Installing Right-Side Components ………………………… 56
Center Crankcase Components…………………………….59
Separating Crankcase Halves……………………………….59
Disassembling Crankcase Half ……………………………..59
Servicing Center Crankcase Components ………………61
Assembling Crankcase Half ………………………………….65
Joining Crankcase Halves…………………………………….68
Installing Engine/Transmission………………………………69
Fuel/Lubrication/Cooling ………………………………………….70
Throttle Body………………………………………………………70
Throttle Cable Free-Play ………………………………………70
Gas Tank ……………………………………………………………71
Oil Pump ……………………………………………………………72
Liquid Cooling System …………………………………………73
Troubleshooting…………………………………………………..75
Electrical System……………………………………………………..76
Battery……………………………………………………………….76
Ignition Switch …………………………………………………….77
Ignition Coil ………………………………………………………..78
Ignition Timing …………………………………………………….78
Accessory Receptacle/Connector ………………………….78
Switches…………………………………………………………….79
Fan Motor…………………………………………………………..80
Lights…………………………………………………………………80
Fuse Block/Power Distribution Module……………………81
EFI Sensors/Components …………………………………….82
Stator Coil ………………………………………………………….88
Regulator/Rectifier ………………………………………………88
Starter Motor ………………………………………………………88
Starter Relay ………………………………………………………89
Electronic Control Module (ECM)…………………………..89
EFI Diagnostic System…………………………………………89
Troubleshooting…………………………………………………..94
Drive System……………………………………………………………95
Front Differential………………………………………………….95
Drive Axles ……………………………………………………….105
Rear Gear Case ………………………………………………..106
Hub………………………………………………………………….107
Hand Brake Lever/Master Cylinder Assembly………..108
Hydraulic Brake Caliper………………………………………108
Troubleshooting Drive System …………………………….112
Troubleshooting Brake System …………………………… 112
Suspension ……………………………………………………………113
Shock Absorbers ………………………………………………. 113
Front A-Arms ……………………………………………………. 113
Rear A-Arms……………………………………………………..114
Wheels and Tires ……………………………………………… 115
Troubleshooting………………………………………………… 116
Description:
2021 Arctic Cat Alterra 450 ATV Service Manual
- This Service Manual contains service, maintenance, and troubleshooting information for the 2021 450 ATV model and is designed to aid 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 a basic level technician. The procedures 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 procedures 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 necessary. When replacement of parts is necessary, use only genuine ATV parts. They are precision-made to ensure high quality and correct fit. Refer to the Illustrated Parts Manual for the correct part number, quantity, and description. 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 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 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 photographs used in this manual are used for clarity purposes only and are not designed to depict actual conditions. Because products are constantly refined and improved, no retroactive obligation is incurred
Please Note:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]