Content Source: 2021 RZR S4 1000 Owner’s Manual (9931549 R02) > 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 Recommendations

Check and lubricate all components at the intervals outlined in the Periodic Maintenance Chart section, or more often under severe use, such as wet or dusty conditions. Items not listed in the chart should be lubricated at the general lubrication interval.
Item Lube Method
Engine Oil

PS-4 5W-50 4-Cycle Oil and PS-4 Extreme Duty 10W-50 4-Cycle Oil

 See Oil and Filter Change
Brake Fluid

DOT 4 Brake Fluid

 Maintain level between fill lines. See Brake Fluid
Transmission Oil (Main Gearcase)

AGL Gearcase Lubricant & Transmission Fluid

 See Transmission (Main Gearcase).
Front Gearcase Fluid (Demand Drive)

Demand Drive Fluid

 See Demand Drive Fluid Check.
Prop Shaft

U-Joint Grease

 Grease the middle and rear fittings.
Stabilizer Bar Bushings

All Season Grease or grease conforming to NLGI No. 2

Grease 2 fittings on front (if applicable) and 2 fittings on rear.
Lubricate as recommended.
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Middle Prop Shaft Grease Fitting

Rear Prop Shaft Grease Fitting

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Rear Stabilizer Bar Grease Fitting

Front Stabilizer Bar Grease Fitting

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