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9928491 R04 - 2017-2018 RZR XP Turbo / XP4 Turbo Service Manual

5. To check contact area of the seat on the valve face,

apply a thin coating of Prussian Blue paste to the

valve seat. If using an interference angle (46°) apply

black permanent marker to the entire valve face

NOTE

Valves with 100 hours or more will have noticeable

markings on the valve face. This is normal and should

not cause valve leakage. Both valves shown are

acceptable and would not require replacement.

6. Insert valve into guide and tap valve lightly into place

a few times.

7. Remove valve and check where the Prussian Blue

indicates seat contact on the valve face. The valve

seat should contact the middle of the valve face or

slightly above, and must be the proper width.

Intake Seat Cutter Diameter: 1.457″ (37.00 mm)

Exhaust Seat Cutter Diameter: 1.260″ (32.00 mm)

ENGINE / COOLING SYSTEM

Polaris RZR XP Turbo User Manual

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