Content Source: 2021 550 Indy 144 Owner’s Manual (9931273 R01) > Maintenance Chapter

IMPORTANT

The Owner's Manual for this vehicle contains warnings, instructions and other information you must read and fully understand before safely riding or performing maintenance on this vehicle.Always follow the warnings and instructions in Owner's Manual.

Click the CONTENTS link above for the Table Of Contents, or download a full PDF of the Owner Manual in the Owner Support area of Polaris.com

Lubrication

Rear Suspension

Lubricate the suspension pivot shafts with POLARIS All Season Grease at the intervals outlined in the Periodic Maintenance Table and before seasonal storage. When operating in heavy, wet snow conditions, lubricate every 500 miles (800 km).
Lack of lubrication will adversely affect your ride and the life of the suspension. For more information about suspension lubrication and adjustments, see your POLARIS dealer.

Rear Suspension (144)

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Rear Suspension (155)

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Rear Suspension (Indy 121 & EVO)

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Chaincase Oil

Check and change the chaincase oil at the intervals outlined in the maintenance charts beginning pages. Maintain the oil level at the top of the fill plug hole. POLARIS recommends the use of POLARIS Synthetic Chaincase Lube, or equivalent product.

Oil Level

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  1. Position the vehicle on a level surface.
  2. Remove the fill plug .
  3. Using a funnel, slowly add the recommended oil until the fluid begins to overflow.
  4. Wipe the fill area with a clean cloth.
  5. Reinstall the fill plug.
    TORQUE

    Fill Plug

    6-10 ft-lbs (8-13 N·m)

Oil Change

  1. Position the vehicle on a level surface.
  2. Place a drain pan under the drain plug. Remove the drain plug. Allow the oil to drain completely.
  3. Clean off all metal shavings from the plug.
    TIP
    The sealing surfaces on the drain plug and the chaincase should be clean and free of burrs, nicks or scratches.
  4. Reinstall the drain plug.
    TORQUE

    Drain Plug

    6-10 ft-lbs (8-13 N·m)
  5. Remove the fill plug. Clean off all metal shavings from the plug.
  6. Using a funnel, slowly add the recommended oil until the fluid begins to overflow. Fluid capacity is 9 oz. (266 ml).
  7. Wipe the fill area with a clean cloth.
  8. Reinstall the fill plug.
    TORQUE

    Fill Plug

    6-10 ft-lbs (8-13 N·m)

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