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

6. Install the valve spring with tightly spaced coils
facing down toward the cylinder head.
NOTE
Valve springs to be installed with the loosely spaced
q
coils facing up.
w
7. Place the valve retainer
8. Compress the valve spring with valve spring
compressor (PV-1253) and valve spring compressor
adapter (PU-51038). Compress spring only enough
to allow split keeper installation.
NOTE
To prevent damage to the valve seals, do not compress
the valve spring more than necessary to install the
keepers.
e
9. Install split keepers with gap even on both sides.
10. Repeat this procedure for remaining valves.
11. Exercise each valve through its travel to ensure the
valve keepers are seated correctly.
12. Lubricate and install the valve tappet for each valve
in the order they were removed.
NOTE
If any valve train components were replaced, refer to
"Valve Clearance Adjustment", page 3.68
procedure prior to "Camshaft Installation / Timing",
page 3.64 procedure.
9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
© Copyright Polaris Industries Inc.
on the spring.
ENGINE / COOLING SYSTEM

CYLINDER HEAD INSTALLATION

NOTE
Head gasket and surfaces must be DRY and oil free.
Use care during assembly to keep oil and finger prints
off of gasket.
1. The four cylinder studs cannot be re-used after the
cylinder head cap nuts are removed. Install new
studs using commercially available stud installation
tool prior to cylinder head installation. Torque new
studs to specification.
NOTE
Stud Thread Pitch: M8 x 1.25
TORQUE
Cylinder Head Studs:
13 ft-lbs (17 Nm) (Replacement required)
2. Prepare cylinder head gasket sealing surfaces by
cleaning thoroughly to remove all residue. The new
head gasket must be installed clean and dry, free
from oil or grease.
NOTE
Install head gasket with "Down" facing cylinder. The
gasket will not fit around the alignment pins if installed
incorrectly.
3. Guide cam chain through a new head gasket
install the gasket on the cylinder, locating it on the
alignment pins.
4. Carefully set the cylinder head
studs and alignment pins.
5. Install and finger tighten the new cylinder head bolts
q
evenly.
6. Install and finger tighten the cylinder head nuts
evenly.
3
r
and
e
in place on cylinder
w
3.63