9101E4-0820 Tohatsu BOLT

Illustration 1 g01392039
Note: Use clean engine oil to lubricate the threads of the cylinder head bolts before assembly.The tightening sequence for the cylinder head bolts follows:
Tighten bolt (1) through bolt (10) in a numerical sequence.Torque ... 270 25 N m (200 18 lb ft)
Again, tighten bolt (1) through bolt (10) in a numerical sequence.Torque ... 450 20 N m (330 15 lb ft)
Finally tighten bolt (1) through bolt (10) in a numerical sequence.Torque ... 450 20 N m (330 15 lb ft)
Install the rocker arm assemblies onto the cylinder head.
Tighten bolt (11) through bolt (18) in a numerical sequence.Torque ... 270 25 N m (200 18 lb ft)
Again tighten bolt (11) through bolt (18) in a numerical sequence.Torque ... 450 20 N m (330 15 lb ft)
Finally tighten bolt (11) through bolt (18) in a numerical sequence.Torque ... 450 20 N m (330 15 lb ft)Note: Tighten the bolt (19) through bolt (27) only after the cylinder head bolts have been given final torque.
Use any tightening sequence to tighten the bolt (19) through bolt (27) .Torque ... 47 7 N m (35 5 lb ft) (28) Tighten the taperlock studs into each cylinder head to the following torque. ... 35 5 N m (26 4 lb ft)
Illustration 2 g01391584
If equipped, use the following procedures in order to tighten the bracket for the fuel pump and the bracket for the timing cover to the cylinder heads:Note: Use clean engine oil to lubricate the threads of the bolts prior to installation.Note: Tighten the bolts only after the cylinder head bolts have been given final torque. (30) Use the following procedure to tighten the bolts:
Position the fuel pump brackets over the bolt holes that are in the cylinder head. Install the bolts (30) through the bracket. Finger tighten the bolts.
Remove the two bolts from the fuel pump in order to install the bolts (29) .
Align the fuel pump against the fuel pump brackets and install the bolts (29). Tighten the bolts to the standard torque.
Tighten the bolts (30) .Torque ... 44 7 N m (32 5 lb ft) (31) Use the following procedure to tighten the bolts:
Position the housing support over the bolt holes that are in the cylinder head. Install the bolts (31) through the supports. Finger tighten the bolts.
Install the timing gear housing to the supports and tighten the bolts to the standard torque.
Tighten the bolts (31) .Torque ... 44 7 N m (32 5 lb ft) (32) Install the cup plugs in the rear side of each cylinder head to the following distance. ... 4.3 0.8 mm (0.17 0.03 inch) (33) Install the cup plugs in the front and rear side of each cylinder head to the following distance. ... 2.5 0.8 mm (0.10 0.03 inch)
Illustration 3 g01017447
(A) Height of new cylinder head ... 112.78 0.25 mm (4.440 0.010 inch)
Illustration 4 g01388111
Note: Use 6V-6640 Sealant on the cup plugs. (D) The cup plugs are installed into the cylinder head at the following depth. ... 4.5 0.5 mm (0.18 0.02 inch) (E) The cup plugs are installed into the cylinder head at the following depth. ... 2.0 0.5 mm (0.08 0.02 inch)
Illustration 5 g01391664
Note: Apply liquid soap (40% solid) to the O-ring seal (35) and to the bore of the cylinder head prior to installation of the nozzle adapter.Note: Apply 4C-5599 Anti-Seize Compound onto the threads of the nozzle adapter prior to installation. (34) Tighten the nozzle adapter to the following torque. ... 200 14 N m (150 10 lb ft)