Polaris RZR 900 2017 Service Manual page 109

1. Remove the driver's seat. Disconnect the negative (-)
battery cable.
2. Remove the engine access panel.
3. Remove eight screws retaining the outer clutch cover.
4. Maneuver the outer clutch cover to allow access to
the drive clutch, in order to rotate the engine.
NOTICE
Removal of left rear wheel or left rear shock is NOT
necessary to perform this procedure.
5. Remove the spark plug wires to gain access to valve
cover as shown below.
9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
© Copyright Polaris Industries Inc.
6. Remove the four T40 bolts retaining the valve cover.
7. The engine will need to be rotated four times to
inspect all eight valve clearances
be measured at each camshaft lobe position.
8. Rotate the drive clutch counter-clockwise until the
w
cam lobes above the valves you are inspecting are
facing up.
IMPORTANT
Do not rotate the engine backwards. The timing chain
may jump teeth and lead to poor performance.
MAINTENANCE
2
q
. Two valves can
2.35