3.46
9926816 R07 - 2014-2016 RZR XP 1000 / XP4 1000 Service Manual
© Copyright Polaris Industries Inc.
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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