826713 9 Mercruiser NUT, (.250-28)

Major bolt tightening torque
Basic engine
Table 1
Description     Threads Diameter x Pitch (mm)     Torque     Remark    
Cylinder head bolt     12 x 1.75    
118 5 N m (87 4 lb ft)        
Cylinder head plug     16 x 1.5    
44 5 N m (32 4 lb ft)        
Rocker cover     8 x 1.25    
12 1 N m (106 9 lb in)        
Adjusting screw nut     8 x 1.25    
20 2 N m (177 18 lb in)        
Rocker shaft bracket (short)     8 x 1.25    
11.3 1.5 N m (100 13 lb in)        
Rocker shaft bracket (long)     8 x 1.25    
15 2 N m (133 18 lb in)        
Main bearing cap     12 x 1.75    
83 5 N m (61 4 lb ft)        
Connecting rod cap     10 x 1.0    
54 5 N m (40 4 lb ft)        
Flywheel     12 x 1.25    
83 5 N m (61 4 lb ft)        
Camshaft thrust plate     8 x 1.25    
12 1 N m (106 9 lb in)        
Front plate     8 x 1.25    
12 1 N m (106 9 lb in)        
Timing gear case cover     8 x 1.25    
12 1 N m (106 9 lb in)        
Crankshaft pulley     24 x 1.5    
392 10 N m (290 7 lb ft)        
Flywheel housing     10 x 1.25    
60 6 N m (44 4 lb ft)        
Rear plate stud     10 x 1.25    
24 2 N m (212 18 lb in)        
Tachometer L joint union nut. Resin gasket     22 x 1.5    
29 3 N m (257 27 lb in)        
Tachometer L joint union nut. Copper gasket    
20 3 N m (177 27 lb in)    Fuel system
Table 2
Description     Threads Diameter x Pitch (mm)     Torque     Remark    
Fuel injection nozzle     20 x 1.5    
59 6 N m (43 4 lb ft)        
Fuel injection nozzle retaining nut     16 x 0.75    
36.80 2.45 N m (27 2 lb ft)        
Fuel leak off pipe mounting nut     12 x 1.5    
23 2 N m (204 18 lb in)        
Fuel injection pump gear     Distribution, CAV     14 x 1.5    
81 5 N m (60 4 lb ft)        
Distribution, VE 12 x 1.75    
64 5 N m (47 4 lb ft)        
Fuel injection pipe nut     12 x 1.5    
29 3 N m (257 26 lb in)        
Fuel return pipe nut     10 x 1.25    
20 2 N m (177 18 lb in)        
Fuel injection pump fuel eye bolt     14 x 1.5    
17 2 N m (150 18 lb in)        
Fuel injection pump over flow valve     12 x 1.5    
17 2 N m (150 18 lb in)        
Fuel injection pump lubrication pipe (flare)     12 x 1.0    
19 3 N m (168 26 lb in)        
Fuel injection pump lubrication pipe (nipple)     14 x 1.5    
29 3 N m (257 26 lb in)        
Fuel injection pump lubrication connector     R1/8    
25 2 N m (221 18 lb in)        
Fuel injection pump lubrication eye bolt     10 x 1.0    
10.0 2.5 N m (88 22 lb in)        
Separate oil filter connector     20 x 1.5    
39 5 N m (29 4 lb ft)        Lubrication system
Table 3
Description     Threads Diameter x Pitch (mm)     Torque     Remark    
Press oil pan mounting bolt     8 x 1.25    
8 1 N m (71 9 lb in)        
Cast oil pan mounting bolt     8 x 1.25    
30 3 N m (265 26 lb in)