156731-4120 ZEXEL 9 423 610 716 BOSCH FLYWEIGHT ASSEMBLY 9423610716 1567314120 me742421

(1) Thickness of spacer plate ... 9.970 0.025 mm (.3925 .0010 in) Thickness of spacer plate gasket ... 0.208 0.025 mm (.0082 .0010 in) For height of liner over top of spacer plate make reference to Cylinder Liner Projection.(2) Camshaft bearing bore (installed) ... 58.80 0.06 mm (2.315 .002 in) Bore in block for camshaft bearings ... 65.100 0.025 mm (2.5630 .0010 in)(3) Bore in block for main bearings (standard size) ... 96.926 0.013 mm (3.8160 .0005 in) Bore in block for main bearings 0.51 mm (.020 in) oversize ... 97.436 0.013 mm (3.8361 .0005 in)(4) Dimension from center of main bearing bore to top of cylinder block (new) ... 383.515 0.165 mm (15.099 .0064 in)(5) Dimension from center of main bearing bore to bottom of cylinder block (new) ... 153.99 0.10 mm (6.063 .004 in)(6) Torque for bolts holding bearing caps for main bearings: a. Put 2P2506 Thread Lubricant on threads and washer face.b. Tighten all bolts to ... 41 4 N m (30 3 lb ft)c. Put a mark on each bolt and cap.d. Tighten all bolts from mark ... 90 5° Install bearing caps with the part number toward the front of the engine. Be sure that the mark (number) on the bearing cap next to the bolt hole is in agreement with the mark in the cylinder block.(7) Clearance between main bearing cap and cylinder block ... 0.033 mm (.0013 in) tight to ... 0.043 mm (.0017 in) loose Main bearing cap width ... 165.095 0.020 mm (6.4998 .0008 in)Width of cylinder block for main bearing cap ... 165.100 0.018 mm (6.5000 .0007 in) (8) Piston cooling orifice.
There are holes in the bores for the main bearings, between the cylinders for piston cooling orifices. These holes must have orifices (8) installed.
(9) Distance two dowels extend from the surface of the cylinder block ... 19.8 0.5 mm (.78 .02 in)(10) Distance hollow dowel extends from the surface of the cylinder block ... 16.0 0.5 mm (.63 .02 in)(11) Depth to install two dowels below the surface of the cylinder block (apply Loctite #11358) ... 1.0 0.5 mm (.04 .02 in)(12) Distance dowels extend from the front face of the cylinder block ... 22.4 0.5 mm (.88 .02 in)(13) Distance stud extends from the front face of the cylinder block ... 15.7 0.5 mm (.62 .02 in)(14) Distance two dowels extend from the rear face of the cylinder block ... 12.7 0.5 mm (.50 .02 in)