Arctic Cat 650 Twin2004, Service Manual

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CC145D
6. If clearance is excessive, measure the journals of
the camshaft.

NOTE: If the journals are worn, replace the cam-
shaft; then measure the clearance again. If it is still
our of tolerance, replace the cylinder head.
Inspecting Automatic
Compression Release
1. Check that the weights (B) are in the retracted
position. If the weights are extended, check the
spring (A) for distortion or breakage or pivot pins
(C) for binding.
KX278A
2. Manually extend the weights. The pin (D) should
retract and the weights should move without
binding and return when released. Pin (D) should
extend when the weights are released.

NOTE: If any binding or resistance other than the
spring tension is felt, the automatic compression
release must be replaced.
3. Check that the shaft (A) rotates and the pin (B) is
not broken, chipped, or worn flat.

NOTE: Do not remove shaft (A) or pin (B) as they
are not serviceable and cannot be reassembled.
The camshaft assembly must be replaced if any
defects are found.
KX279
Servicing Left-Side
Components
RECOIL STARTER

NOTE: The recoil starter is a non-serviceable
component. If it is damaged or if it does not func-
tion properly, it must be replaced as a complete
unit.
Servicing Right-Side
Components

NOTE: Whenever a part is worn excessively,
cracked, damaged in any way, or out of tolerance,
replacement is necessary.
DRIVEN PULLEY ASSEMBLY
Disassembling
1. Secure Driven Pulley Compressor (p/n 0444-121)
in a suitable holding fixture such as a bench vise.
! WARNING
This procedure involves relaxing a compressed
spring assembly. DO NOT attempt disassembling
without the proper tools.