Polaris 2012 RANGER RZR 570 INTL Service Manual page 95

3. Push down on the spring and remove the split kee pers
(H).
I
K
4. Slowly release valve spring pressure and remove the
compressor adapter.
5. Remove the valve retainer (I), valve spring (J), valve
stem seal (K) and valve spring seat (L). Discard the
valve seal.
NOTE: Replace valve seals whenever cylinder head
is disa ssembled. Harde ned, cr acked or worn s eals
will cause excessive oil consumption.
6. Lift up the cylinder head and push the valve (M) out,
keeping it in order for reassembly in th e same valve
guide.
7. Repeat the previous steps to re move the re maining
valves.
8. Clean the co mbustion ch amber and he ad g asket
surface.
H
J
L
M
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
ENGINE / COOLING SYSTEM
9. Measure the free length of each valve spring with a
Vernier caliper and compare to specification.
Valve Spring Free Length:
Standard: 1.7263" (43.85 mm)
Service Limit: 1.6830" (42.75 mm)
Top
Bottom
= In. / mm.
3.43
3