Polaris RZR XP 1000 2017 Service Manual page 148

Table of Contents

ENGINE / COOLING SYSTEM

Intake Seat Cutter Diameter: 1.567" (39.80 mm)

Exhaust Seat Cutter Diameter: 1.364" (34.65 mm)

Valve Seat Width:

.0393 ± .0039" (1.0 ± 0.10 mm)

Service Limit:

.0551" (1.4 mm)

.0590 ± .0039" (1.5 ± 0.10 mm)

Service Limit:

.0748" (1.9 mm)

8. Clean all filings from the area with hot soapy water.

Rinse and dry with compressed air.

9. Lubricate valve guides with clean engine oil and

apply oil or water based lapping compound to the

face of the valve.

Lapping is not required if an interference angle

reconditioning method is used.

10. Insert the valve into its respective guide and lap

using a lapping tool or a section of fuel line

connected to the valve stem.

11. Rotate the valve rapidly back and forth until the cut

sounds smooth. Lift the valve slightly off of the seat,

rotate 1/4 turn, and repeat the lapping process. Do

this four to five times until the valve is fully seated,

and repeat process for the other valve(s).

12. Thoroughly clean cylinder head and valves.

9928492 R04 - 2017-2018 RZR XP 1000 / XP4 1000 Service Manual

Troubleshooting