System Specifications

CYLINDER HEAD
Valve Seat Angle 44.5° - 45.0°
Valve Seat Runout (MAX) 0.05 mm (0.0019 inch)
Valve Seat Width (Finish)
Intake 1.018 - 1.62 mm (0.0464 - 0.0637 inch)
Exhaust 1.48 - 1.92 mm (0.0582 - 0.0755 inch)
Guide Bore Diameter (Std.) 7.975 - 8.00 mm (0.313 - 0.314 inch)





Cylinder Head-Bolts
Tighten the cylinder head bolts using the sequence provided:
M-12 Bolts
Step 1 34 Nm (25 ft. lbs.)
Step 2 54 Nm (40 ft. lbs.)
Step 3 Turn 90°
M-8 Bolts
Step 1 20 Nm (15 ft. lbs.)
Step 2 34 Nm (25 ft. lbs.)

Intake manifold retaining bolts
Tighten in sequence from the middle bolts towards the outside in a crisscross pattern.
Torque fasteners to 12 Nm (105 inch lbs.).

Camshaft Sprocket-Bolt 122 Nm (90 ft. lbs.)








Exhaust Manifold
Install manifold bolts and tighten using sequence provided to 25 Nm (18 ft. lbs.).