Arctic Cat 2016 Alterra 500, Service Manual

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33
Servicing Engine (500)
Top-Side Components..................................................... 33
Removing Top-Side Components .................................. 33
Servicing Top-Side Components.................................... 36
Installing Top-Side Components .................................... 41
Left-Side Components..................................................... 45
Removing Left-Side Components .................................. 45
Servicing Left-Side Components ................................... 47
Installing Left-Side Components.................................... 50
Right-Side Components .................................................. 51
Removing Right-Side Components................................ 52
Servicing Right-Side Components................................. 55
Installing Right-Side Components ................................. 56
Center Crankcase Components ..................................... 58
Separating Crankcase Halves......................................... 59
Disassembling Crankcase Half....................................... 59
Servicing Center Crankcase Components .................... 61
Assembling Crankcase Half............................................ 65
Joining Crankcase Halves .............................................. 68
Top-Side Components

NOTE: For efficiency, it is preferable to remove and
disassemble only those components which need to be
addressed and to service only those components. The
technician should use discretion and sound judgment.

NOTE: The engine/transmission does not have to
removed from the frame for this procedure.
Removing Top-Side
Components
A. Cylinder Head Cover/
Rocker Arms
B. Cylinder Head/Camshaft

NOTE: Remove the spark plug, timing inspection
plug, and outer magneto cover; then using an appro-
priate wrench, rotate the crankshaft to top-dead-cen-
ter of the compression stroke.

NOTE: Arctic Cat recommends the use of new gas-
kets, lock nuts, and seals and lubricating all internal
components when servicing the engine/transmission.
1. Remove the cap screws securing the two tappet cov-
ers. Remove the two tappet covers. Account for the
O-rings.
FI603

NOTE: Keep the mounting hardware with the cov-
ers for assembly purposes.
2. Remove the cylinder head cover cap screws. Note
the rubber washers on the four top-side cap screws;
remove the cylinder head cover. Note the orientation
of the cylinder head plug and remove it. Note the
location of the two alignment pins.
FI606A
MD1354A
3. Remove the cap screw from the tension adjuster;
then using a flat-blade screwdriver, relax the cam
chain tension by rotating the adjuster screw clock-
wise until it locks.

AT THIS POINT
To service any one specific component, only limited dis-
assembly of components may be necessary. Note the
AT THIS POINT information in each sub-section.