3.104
9926814 R08 - 2015-2016 RZR 900 2016 RZR S 1000 Service
Manual
© Copyright Polaris Industries Inc.
Intake Seat Cutter Diameter: 1.567″ (39.80 mm)
Exhaust Seat Cutter Diameter: 1.364″ (34.65 mm)
MEASUREMENT
Valve Seat Width:
Intake:
.0393 ± .0039" (1.0 ± 0.10 mm)
Service Limit:
.0551" (1.4 mm)
Exhaust:
.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.
NOTE
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.
ENGINE / COOLING SYSTEM
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