Cylinder Head Installation - Black Bolts - Polaris RANGER 500 2017 Service Manual

ENGINE / COOLING SYSTEM
CYLINDER HEAD INSTALLATION - BLACK
BOLTS
NOTICE
Head gasket and surfaces must be DRY and oil free.
Use care during assembly to keep oil and finger prints
off of gasket.
1. Verify the cylinder head bolts are BLACK. If
uncertain, measured bolts in the reduced diameter
portion of the bolt shank (between A and B); verify
the are the correct color and diameter before
proceeding.
MEASUREMENT
Diameter Between A - B:
q
Black: 9.00 +/- .1 mm
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Silver: 8.20 +/- .1 mm
IMPORTANT
Torquing cylinder head bolts using the incorrect
procedure may lead to engine component damage.
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.
NOTICE
Do not touch sealing surfaces of the new head gasket.
r
3. Guide cam chain
and install the gasket on the cylinder, locating it on
the alignment pins.
4. Carefully set the cylinder head
alignment pins.
NOTICE
Install NEW cylinder head bolts.
3.110
through a new head gasket
y
in place on
5. Install and finger tighten the four NEW cylinder head
u
bolts evenly.
6. Install and finger tighten the two NEW outer M6 bolts
i
evenly.
7. Torque the NEW cylinder head bolts in sequence to
specification.
Cylinder Head Bolts:
Torque in sequence for all steps
Step 1: 21 ft-lbs (28 Nm)
Torque The Outer M6 Head Bolts 89 ± 9 in-lbs
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9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
TORQUE
Step 2: 26 ft-lb (35 Nm)
Step 3: Additional 135°
(10 ± 1 Nm)
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