3
9928491 R04 - 2017-2018 RZR XP Turbo / XP4 Turbo Service Manual
© Copyright Polaris Industries Inc.
3.27
WASTEGATE FLAPPER INSPECTION
Due to the high pressures and temperatures seen in the
turbine, the wastegate flapper and associated
components are susceptible to wear after extended use.
q
Outer Crank Arm
e
Wastegate Flapper
Arm
w
Wastegate Flapper
Disc
r
Wastegate Flapper
Bushing
Looking inside the turbine outlet, ensure the wastegate
flapper is closed flat against the turbine seat. Ensure the
flapper disc is properly sealed over the wastegate port,
and that no gap is visible that can let exhaust gas past
the wastegate when fully closed.
COOLING SYSTEM
ENGINE / COOLING SYSTEM