Content Source: 2021 PRO-RMK / RMK KHAOS / SKS 155 Owner’s Manual (9931274 Rev 01) > 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

Some items or components may need to be serviced more often due to severe use or riding conditions. When the vehicle goes beyond 2000 miles (3200 km), continue maintenance checks at 2000 miles (3200 km) intervals.
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

Clutch Alignment Offset (without belt)

(See Clutch Alignment Offset)

 

I

I

I

  

Drive Belt (Condition)

(See Drive Belt Condition)

 

I

I

I

I

Clutches

(See Clutch System)

 

C

C

C

  

Belt Tension

  

I

I

I

I

Clutch Sheaves

(See Clutch System)

 

I

I

I

I

ENGINE/COOLING

Engine Mounts

  

I

I

I

I

Recoil Rope

  

I

I

I

I

VES System (600 Engine Only)

      

C

  

Coolant Level

  

I

I

I

I

Coolant Change

R - Every 5 years

Coolant Hose

  

I

I

I

I

Coolant Circulation

  

I

I

I

I

Coolant Leaks

  

I

I

I

I

Spark Plugs

(See Spark Plugs)

 

I

I

R

I

Exhaust Pipe

(See Exhaust System)

     

I

I

Exhaust Retaining Springs

(See Exhaust System)

 

I

I

I

I

Brakes / FINAL DRIVE

QUICKDRIVE Belt

(See QUICKDRIVE Belt Condition (if equipped))

I

I

I

R

I

Drive Chain Tension

I

I

I

I

I

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

  

I

I

I

I

Brake System

(See Brakes and Hydraulic Brake Inspection)

       

I

Brake Fluid

(See Brake Fluid)

     

I

  

Chaincase Oil (if equipped)

I

R

I

R

I

FUEL MANAGEMENT

Throttle Lever

(See Throttle Lever)

I

I

I

I

I

Fuel Lines

  

I

I

I

I

Oil Lines

    

I

I

I

Air Box

I

I

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

Tether Switch and Strap (if equipped)

(See Tether Switch (if equipped)

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 / STEERING / SUSPENSION

Ski Toe Alignment

  

I

I

I

  

Suspension Mounting Bolts

I

I

I

I

I

Steering Fasteners

I

I

I

I

I

Rear Suspension Fasteners

I

I

I

I

I

Skags (Wear Bars)

(See Ski Skags)

I

I

I

I

I

Ski Saddle/Spindle Bolts

I

I

I

I

I

Hood and Side Panel Fasteners

(See Hood/Side Panel)

I

I

I

I

I

Rear Wheel Idler Bolt

I

I

I

I

I

Idler Bolt Jam Nut

I

I

I

I

I

Camber Alignment

  

I

I

I

  

Handlebar Centering

        

I

Track Alignment

I

I

I

I

I

Track Tension

I

I

I

I

I

Front Limiter Strap

I

I

I

I

I

Rail Slide Condition

        

I

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