Cylinder Head Disassembly - Polaris RANGER ETX 2015 Owner's Manual

ENGINE / COOLING SYSTEM

CYLINDER HEAD DISASSEMBLY

CAUTION
Wear eye protection during cylinder head disassembly
and reassembly or when working with the valve springs.
Keep mated parts together and in order with respect to
their location in the cylinder head for assembly
purposes. It is important to install cylinder head
components back in the same location. Mark each
component or place them in an organized rack as you
remove them.
1. Remove the valve tappet
2. Compress the valve spring by hand using valve
spring compressor adapter.
Valve Spring Compressor Adapter
PV-43513-A
3.128
NOTE
q
from the cylinder head.
9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
3. Push down on the spring and remove the split
q
keepers .
4. Slowly release valve spring pressure and remove the
compressor adapter.
5. Remove the valve retainer
r
stem seal and valve spring seat
valve seal.
Replace valve seals whenever cylinder head is
disassembled. Hardened, cracked or worn seals will
cause excessive oil consumption.
6. Lift up the cylinder head and push the valve
keeping it in order for reassembly in the same valve
guide.
7. Repeat the previous steps to remove the remaining
valves.
8. Clean the combustion chamber and head gasket
surface.
w e
, valve spring
t
. Discard the
NOTE
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, valve
y
out,