Cylinder Head Assembly

The cylinder head bolts are tightened using a torque plus angle procedure. The bolts must be examined BEFORE reuse. If the threads are necked down the bolts should be replaced.





Step 1: 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.
Bolts 9 thru 12 14 Nm (10 ft. lbs.)
Step 3: Bolts 1-8 90°.
Step 4: Bolts 1-8 90°, again.
Bolts 9-12 26 Nm (19 ft. lbs.)

Cylinder Head Warpage (Flatness) 0.0508 mm (0.002 inch)





Intake Manifold Bolts 12 Nm (105 inch lbs.)





Cam Bearing Cap Bolts 11 Nm (100 inch lbs.)

Non - Oiled Sprocket Bolt 122 Nm (90 ft. lbs.)

Exhaust Manifold Bolts 25 Nm (18 ft. lbs.)
Starting at the center arm and working outward