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ENGINE TOP END 5-21
Camshaft
•
Face the arrow [A] of the front camshaft sprocket upward
(right side view).
•
Engage the f ront camshaft chain with the front camshaft
sprocket.
•
Align the marks [B] on the weights with the front cylinder
head upper surface.
•
Install:
Rocker Cases (see Rocker Case Installation)
Camshaft Chain Tensioners (see Camshaft Chain Ten-
sioner Installation)
•
Check the valve clearance (see Valve Clearance Inspec-
tion).
Camshaft Assembly
•
Install the KACR unit [A] (sprocket) on the camshaft so
that the unit fits onto the camshaft pins [B].
•
Apply a non-permanent locking agent to the camshaft
sprocket bolts [C].
•
Tighten:
Torque - Camshaft Sprocket Bolts: 12 N·m (1.2 kgf·m, 104
in·lb)
Cam Wear
•
Remove the camshaft.
•
Measure the height [A] of the cam with a micrometer.
If the cams are worn past the service limit, replace the
camshaft.
Cam Height
Standard:
Exhaust
35.363 ∼ 35.477 mm (1.3922 ∼ 1.3967 in.)
Inlet
35.622 ∼ 35.736 mm (1.4024 ∼ 1.4069 in.)
Service Limit:
Exhaust
35.26 mm (1.388 in.)
Inlet
35.52 mm (1.398 in.)