Arctic Cat 2004 650, Руководство по обслуживанию

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KX248
6. Remove the cap screws (A); then remove the cam
chain tensioner (B). Repeat for the second
cylinder.
KX249
7. Remove the front camshaft and support the cam
chain; then remove the rear camshaft and support
the rear cam chain.
8. Remove the 6 mm cylinder head cap screw (A);
then remove front 10 mm cap screws (B) and
washers.
KX250A
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).
KX255
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 cap screws (D).
KX251
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.
! CAUTION
This is a ratchet-type chain tensioner and must
be completely removed and reset if the mounting
bolts are loosened. Retightening the mounting
bolts after loosening will cause damage to the
tensioner and camshaft chain.
! CAUTION
Do not rotate the crankshaft without keeping
tension on the camshaft chains or engine
damage could occur.