Servicing Components - Arctic Cat 400 Service Manual

AT THIS POINT
To service crankshaft assembly, see Servicing
Center Crankcase Components sub-section.
! CAUTION
Do not remove the remaining output shaft assembly
unless absolutely necessary. If the shaft is
removed, the shaft nut must be replaced with a new
one and the shaft must be re-shimmed.
12. To remove the output shaft and gear, remove the
nut, slide the gear off the shaft (account for a
shim or shims), and drive the shaft out with a
plastic mallet (account for a shim or shims).
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3-30
CC115D
CC482D
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Table of Contents

(Servicing Components)

NOTE: Critical engine/transmission specifica-
tions are located at the beginning of this section.
Servicing Top-Side Components .......................... 3-30
Valve Assembly ................................................. 3-30
Piston Assembly ................................................ 3-35
Cylinder/Cylinder Head Assembly...................... 3-37
Servicing Left-Side Components .......................... 3-40
Recoil Starter .................................................... 3-40
Measuring Shift Fork (Thickness) ..................... 3-43
Measuring Shift Fork Groove (Width) ................ 3-44
Measuring Shift Fork To Groove
(Side Clearance) .............................................. 3-44
Servicing Right-Side Components ....................... 3-44
Primary Clutch Assembly................................... 3-44
Inspecting Oil Pump .......................................... 3-47
Servicing Center Crankcase Components ........... 3-47
Secondary Gears .............................................. 3-47
Crankshaft Assembly ........................................ 3-49
Driveshaft ........................................................... 3-50
Countershaft ...................................................... 3-56
Servicing Top-Side
Components
NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is
necessary.
VALVE ASSEMBLY
When servicing valve assembly, inspect valve seats,
valve stems, valve faces, and valve stem ends for
pits, burn marks, or other signs of abnormal wear.
NOTE: Whenever a valve is out of tolerance, it
must be replaced.
Cleaning/Inspecting Valve Cover
NOTE: If the valve cover cannot be trued, the cyl-
inder head assembly must be replaced.
1. Wash the valve cover in parts-cleaning solvent.
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