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

Periodic Maintenance Interval Table

The following chart is a guide based on average riding conditions. You may need to increase frequency based on riding conditions. When inspection reveals the need for replacement parts, always use genuine POLARIS parts, available from your POLARIS dealer.

I - Inspect (clean, adjust, tighten, lubricate, replace if necessary)
C - Clean, R - Replace, L - Lubricate

Item

Frequency

150 mi.
(240 km)

500 mi.
(800 km)

1000 mi. (1600 km)

2000 mi. (3200 km)

Pre- Season

Clutch

Drive Belt Condition

(See Drive Belt Condition)

 

I

I

I

I

Clutches

  

C

C

C

  

Belt Tension

  

I

I

I

I

Clutch Sheaves

  

I

I

I

I

ENGINE/COOLING

Engine Mounts

  

I

I

I

I
Engine Torque Stop (See Torque Stop)   I I I I

Recoil Rope

  

I

I

I

I
Cylinder Head Bolts   I I I  
Cylinder Base Nuts   I I I  
Ignition Timing BTDC   I I I  

Spark Plugs

(See Spark Plug Recommendations)

 

I

I

R

I

Exhaust Pipe

(See Exhaust System)

     

I

I

Exhaust Retaining Springs

(See Exhaust System)

 

I

I

I

I

Brakes

Hose Routing

  

I

I

I

I

Hose Condition

  

I

I

I

I

Fluid Leaks

  

I

I

I

I

Brake Pads

(See Hydraulic Brake Inspection)

 

I

I

I

I

Brake Disc

  

I

I

I

I

Parking Brakes

(See Parking Brake Lever Lock)

 

I

I

I

I

Brake System

(See , Hydraulic Brake Inspection)

       

I

Brake Fluid

(See Brakes, Brake Fluid)

     

I

  

FUEL MANAGEMENT
Carburetor (synchronize) (See Carburetor)   I I I  
Idle RPM   I I I  

Throttle Lever

(See Throttle Lever)

I

I

I

I

I
Oil Pump Lever (synchronize)   I I I  
Choke   I I I  
Vent Lines   I I I I

Fuel / Vent Hoses

 I

I

I

I

I
Fuel Filter R – Every 2000 mi. (3200 km) or Every 2 years
Oil Filter (See Oil Filter)       R  

Oil Lines

    

I

I

I

Air Box

I

I

I

I

I
Drain and Water Traps (See Carburetor Water/Sediment Trap)   I I I  

ELECTRICAL

Auxiliary Shut-Off

(See Engine Stop Switch)

I

I

I

I

I

Throttle Safety Switch

I

I

I

I

I

Ignition Switch

I

I

I

I

I

Taillight

(See Lighting)

I

I

I

I

I

Brakelight

(See Lighting)

I

I

I

I

I

Headlight

(See Lighting)

I

I

I

I

I

CHASSIS

Ski Toe Alignment

  

I

I

I

  

Suspension Mounting Bolts

I

I

I

I

I

Bolt Torques

 See your dealer every 1000 mi. (1600 km) for inspection

Steering Fasteners

I

I

I

I

C

Rear Suspension Fasteners

I

I

I

I

I
Cooling Fan / Ducts / Bulkhead Vent (See Cooling System)   I I I I

Skags (Wear Bars)

(See Ski Skags)

I

I

I

I

I

Ski Saddle/Spindle Bolts

I

I

I

I

I
Steering Arm(s)         I

Drive Chain Tension

(See Drive Chain Tension)

I

I

I

I

I

Hood and Side Panel Fasteners

(See Hood and Side Panel Fasteners)

I

I

I

I

I

Rear Wheel Idler Bolts

I

I

I

I

I

Idler Bolt Jam Nut

I

I

I

I

I

Handlebar Centering

        

I

Tether Switch and Strap

(See Tether Switch (if equipped))

I

I

I

I

I

Track Tension

I

I

I

I

I

I - Inspect (clean, adjust, tighten, lubricate, replace if necessary)
C - Clean, R - Replace, L - Lubricate

Item

Frequency

150 mi.
(240 km)

500 mi.
(800 km)

1000 mi. (1600 km)

2000 mi. (3200 km)

Pre- Season

CHASSIS

Track Alignment

(See Track Alignment)

I

I

I

I

I

Front Limiter Strap

I

I

I

I

I

Rail Slide Condition

(See Rail Slide Wear)

       

I

Chaincase Oil

I

R

I

R

I

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