Cylinder Head Disassembly - Polaris 2008 sportsman 800efi Service Manual

ENGINE

Cylinder Head Disassembly

1. Carefully remove the cylinder components. Place the
hydraulic lifters (C), pushrods (D), and rocker arms (E) in
a safe, clean area.
2. Measure free length of spring with a Vernier caliper.
Compare to specifications. Replace spring if measurement
is out of specification.
Valve Spring Free Length:
Std: 1.735" (44.069 mm)
3.24
D
C
E
Valve Spring
Free Length
= In. / mm.
3. Remove valve guide seals.
IMPORTANT: It is recommended to replace seals
whenever the cylinder head is disassembled.
Hardened, cracked or worn valve seals will cause
excessive oil consumption and carbon buildup.
4. Mark the valves with a white pen. Remove the valves from
the cylinder head. This will ensure that the valves are
properly placed during engine reassembly.
Mark the Valves