Cylinder Head Assembly
Step 1: Tighten bolts 1-8 27 Nm (20 ft. lbs.)
Step 2: Verify that bolts 1-8 all reached 27 Nm (20 ft. lbs.) by repeating step 1 without loosening the bolts.
Tighten bolts 9 thru 12 14 Nm (10 ft. lbs.)
Step 3: Tighten bolts 1-8 90 degrees.
Step 4: Tighten bolts 1-8 90 degrees, again.
Tighten bolts 9-12 26 Nm (19 ft. lbs.)
The bolts must be examined BEFORE reuse. If the threads are necked down (2) the bolts should be replaced.
CYLINDER HEAD:
Service Specifications
Intake manifold
Bolts - Intake Manifold 12 Nm (105 inch lbs.)
Exhaust Manifold
Bolts - Exhaust Manifold 25 Nm (18 ft. lbs.)
Starting at the center arm and working outward
Camshaft
Bearing Cap Bolts 11 Nm (100 inch lbs.)
Non - Oiled Sprocket Bolt 122 Nm (90 ft. lbs.)