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ENGINE TOP END 5-21
Cylinder Head
•
Install:
Front Camshaft Chain Guide [A]
O-ring [B]
Collar [C]
•
Tighten:
Torque
-
Front C
amshaft Chain Guide Bolt (Upper) [D]:
25 N·m (2.5 kgf·m, 18 ft·lb)
Front Camshaft Chain Guide Bolt (Lower) [E]:
12 N·m (
1.2 kgf·m, 104 in·lb)
•
Install:
Rear Camshaft Chain Guide [F]
•
Tighten:
Torque - Rear Camshaft Chain Guide Bolt [G]:
25 N·m (2.5 kgf·m, 18 ft·lb)
•
Install the camshafts (see Camshaft Installation).
Cylinder Head Warp
•
Clean the cylinder head.
•
Lay a straightedge across the lower surface of the cylinder
head at several positions.
•
Use a thickness gauge [A] to measure the space between
the straightedge [B] and the head.
Cylinder Head Warp
Standard:
---
Service Limi t: 0.05 mm (0.002 in.)
If the cylinder head is warped more than the service limit,
replace it.
If the cylinder head is warped less than the service limit,
repair the head by rubbing the lower surface on emery
paper secured to a surface plate (first No. 200, then No.
400).