Arctic Cat 400 Service Manual page 319

9. Remove the front cylinder head assembly and
account for two alignment pins (A), cylinder
head gasket (B), oil pipe (C), and camshaft
chain guides (D). Repeat steps 8 and 9 for the
rear cylinder head.
10. Remove the intermediate shaft chain tensioner
(A); then remove the circlip (B) and washer.
11. Remove the intermediate shaft chain guides (C);
then remove the two Allen-head cap screws (D).
Account for the intermediate cam drive position
plate.
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12. Install a 6 mm cap screw (A) in the tapped hole
of the front camshaft drive gear cover (B) and
remove the cover. Account for one O-ring.
13. Hold the intermediate shaft (A) with an Allen
wrench.
14. Remove the intermediate shaft sprocket nut (A);
then remove the sprocket (B), drive chain (C),
and the rear camshaft drive chain (D).
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KX452
3
KX252
KX253
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