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2021+ 850 Switchback Assault 146 Battery Removal and Installation

Required Tools and Supplies
Shop RagsDielectric Grease or Petroleum Jelly
T40 TORX® Socket10mm Socket
RatchetTorque Wrench
Safety GlassesNitrile Gloves

To learn more about tools, read the Tools and Fasteners Guide

Always wear safety glasses and nitrile gloves when servicing your Polaris snowmobile. To remove and install the battery on your Polaris Matryx Switchback Assault 146 with an 850 engine, follow these steps:

1. Park the snowmobile on a flat, level surface and remove the key.

2. Remove the right side panel by turning the three quarter-turn latches. Pivot the panel away from the sled and pull out to remove.

3. Remove the fastener on the lower right side of the console with a T40 TORX® socket.

4. Use a pliers to remove the push rivet securing the lower right portion of the console. 

5. Remove the push rivet underneath securing the right fender to the footrest.

6. Remove the rubber battery strap with a pick.

7. Lift the battery cover up and out of the sled.

8. Remove the negative battery cable first with a 10mm socket to prevent arcing. Set aside.

9. Remove the positive cable protector boot.

10. Remove the positive battery cable with a 10mm socket and set aside.

11. Lift the battery up and pull out from the snowmobile.

12. Clean out the inside of the battery tray with a clean cloth.

13. If reinstalling the battery, ensure it is fully charged and free of any debris or damage. Follow the instructions in the Battery Charging section of your Owner’s Manual before installing the battery. If replacing the battery, replace with part number 4013045

14. Carefully reinstall the battery into the snowmobile.

15. Reinstall the positive cable first to prevent arcing. Torque to 36 in-lbs (4 Nm) and reinstall the protector boot.

16. Reinstall the negative cable. Torque to 36 in-lbs (4 Nm).

17. Apply a light film of dielectric grease or petroleum jelly to both terminals.

18. Before reassembly, verify the cables are secure and properly routed.

19. Reinstall the battery cover.

20. Reinstall the cover strap by hooking it to the tab behind the battery and then securing it to the front tab.

21. Reinstall the push rivet underneath the console.

22. Install the push rivet on the lower right portion of the console.

23. Reinstall the lower console fastener and torque until fully seated.

24. Reinstall the side panel by inserting the upper tab and pivoting in to engage the lower tab. 

25. Latch the three quarter-turn latches to secure the panel.

26. Finally, start the snowmobile to verify the battery has been connected properly.

For more information, see your authorized Polaris Dealer. To find a dealer near you, use the Dealer Locator.
Maintenance tips, procedures and specifications can be found in your Owner's Manual.
To find diagrams and replacement part numbers, use the online parts catalog.

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