40108 20 Mercruiser SCREW, (M10 x 20) Hex Flange - Stainless Steel

Illustration 1 g00292819
Six cylinder engine is shown.
(1) The installation depth of the cup plug is measured from the block face to the top edge of the plug. Distance ... 1.25 0.25 mm (0.049 0.010 inch) (2) The dowels extend past the top face of the cylinder block. Distance ... 14 2 mm (0.55 0.08 inch) (3) The two large dowels extend past the rear face of the cylinder block. Distance ... 12.0 0.5 mm (0.47 0.02 inch) (4) The dowels extend past the front face of the cylinder block. Distance ... 8.0 0.5 mm (0.31 0.02 inch)
Illustration 2 g00292820
View A-A
(5) Bore diameters in the cylinder block for all camshaft bearings except the front bearing 3114 Engines ... 70.38 0.13 mm (2.771 0.005 inch)3116 Engines ... 69.000 0.038 mm (2.7165 0.0015 inch)3126 Engines ... 69.000 0.038 mm (2.7165 0.0015 inch) (6) Locate the bearing oil hole for all camshaft bearings at the top of the bore. The front camshaft bearing oil hole is not located at the top of the bore.
Illustration 3 g00292821 (7) Diameter of cylinder bore 3114 Engines ... 105.025 0.025 mm (4.135 0.0010 inch)3116 Engines ... 105.025 0.025 mm (4.135 0.0010 inch)3126 Engines ... 110.025 0.025 mm (4.3317 0.0010 inch) (8) Distance from the centerline of the crankshaft bore to the top surface of the cylinder block ... 322.00 mm (12.677 inch) (9) Front camshaft bearing joint location (10) Bore diameter in the cylinder block for the front camshaft bearing ... 70.000 0.025 mm (2.7559 0.0010 inch) (11) Front camshaft bearing oil hole Note: The front camshaft bearing is installed with the bearing oil hole (11) in alignment with the oil hole in the cylinder block and the bearing joint (9) in the position that is shown. (12) Tighten the bolt to the following torque. ... 70 10 N m (50 7 lb ft) (13) Bearing cap Width of the main bearing cap ... 159.995 0.020 mm (6.2990 0.0008 inch)Width of the cylinder block for the main bearing ... 160.000 0.018 mm (6.2992 0.0007 inch) (14) Distance from the centerline of the crankshaft bore to the pan rail ... 110.00 mm (4.331 inch) (15) Location of the sequence number for the bearing cap (16) Main bearing cap bolts Install the bearing caps with the sequence number to the right. A six cylinder engine has an order of 1 through 7 (front to rear). A four cylinder engine has an order of 1 through 5 (front to rear).
Apply 4C-5593 Anti-Seize Compound to the bolt threads (16) and face of the washers.
Tighten bolts (16) on each bearing cap. Tighten to the following torque. ... 54 7 N m (40 5 lb ft)
Tighten bolts (16) on each bearing cap again. Tighten the bolts by another one quarter of a turn. ... 90 5 degrees (17) Bore in the cylinder block for the seven main bearings ... 95.000 0.013 mm (3.7402 0.0005 inch)
Illustration 4 g00596835
Six cylinder engine with oil grooves is shown.
(18) Oil grooves are machined in the saddles of the cylinder blocks of all 3114 engines and earlier 3116 engines.
Illustration 5 g00596916
Six cylinder engine with no oil grooves is shown.
(19) No oil grooves are machined in the saddles of the cylinder block on later 3116 and all 3126 engines.
Table 1
Chart for Replacement of Main Bearings
3116 Early Model
Cylinder Blocks with Grooved Main Bearing Saddles
Description Quantity Standard Size
Part Number Oversize or Undersize Bearing
Part Number Size
Crankshaft
Thrust Bearing 1 107-7602 - Standard
- 7C-6969 0.50 mm (0.020 inch)
Oversize
- 7C-6970 0.50 mm (0.020 inch)
Undersize
0.50 mm (0.020 inch)
Oversize
- 7C-6966 0.25 mm (0.010 inch)
Undersize
- 7C-6967 0.50 mm (0.020 inch)
Undersize
Main
Bearing 3 107-7708 - Standard
- 145-0168 0.50 mm (0.020 inch)
Oversize
- 145-0170 0.50 mm (0.020 inch)
Undersize
0.50 mm (0.020 inch)
Oversize
- 145-0162 0.25 mm (0.010 inch)
Undersize
- 145-0164 0.50 mm (0.020 inch)
Undersize
Main
Bearing 3 101-1530 - Standard
- 145-0169 0.50 mm (0.020