Polaris RZR 900 Engine Rebuild Part 1: Seats & Fluids

Welcome to the first and easiest part of our Polaris RZR 900XP engine rebuild series. The first step in rebuilding a Polaris RZR side-by-side engine is to get the seats off and drain out the UTV’s fluids. 

Watch our Polaris RZR 900 Engine Rebuild Part 1 video above and follow the steps below to remove the RZR’s seats and drain its fluids. Use our Polaris RZR 900 exploded parts diagrams for additional reference. 

Polaris RZR 900XP seat removal

Tools Needed – Polaris RZR 900 Seat Removal and Fluids Drain


Polaris PS-4 engine oil

Polaris Anti-freeze


Preparing the Polaris RZR 900XP for Engine Removal

Step 1. Remove the seats by releasing the lever behind them and lifting them out.

Polaris RZR 900 seat removal

Step 2. Disconnect the battery. 

Polaris RZR 900 seat removal

NOTE: You can remove the battery or leave it in the chassis.

Step 3. Drain the engine oil by removing the drain bolt from the bottom of the engine.

Polaris RZR 900 oil drain plug

Step 4. Drain the radiator by removing the lower hose from the bottom of the radiator. Reattach the hose once the radiator has drained and you’re done.

Polaris RZR 900 XP coolant drain

The next stage in our Polaris RZR 900 engine rebuild project is to remove the roll cage and the cargo bed from the machine. Watch the video below to see how to remove the roll cage and cargo bed on a Polaris RZR 900XP



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