Operator`s manual
Cylinder head bolt 
TORQUE SPECIFICATIONS 
(M10) 
(M12) 
50.7 - 57.9 
79.6 - 86.8 
7.0 - 8.0 
11.0-120 
(See 
the" 
Torquing 
Cylinder 
Head Bolts" section of this manual on  page 85.) 
Crankshaft pulley nut 
108.5 -180.8  20.0 - 25.0 
Main bearing 
cap 
bolt 
36.2 - 43.4  5.0 - 5.5 
Connecting rod 
cap 
nut 
23.1 
- 25.3 
3.2 - 3.5 
Flywheel bolt -
WITh 
separate washers 
83.2 - 90.4  11.5 - 12.5 
Flywheel bolt - washer attached 
95.0 -100.0  13.0 
-14.0 
Oil pan drain plug 
36.2 - 43.4  5.0 - 6.0 
Oil filter 
8.0 - 9.4 
1.1 
-1.3 
(or tighten firmly 
by 
hand) 
Delivery valve holder (injection pump)  28.9 - 36.2  4.0 - 5.0 
Nozzle mounting bolt  10.8 
-14.5 
1.5 - 2.0 
Nozzle holder 
and retaining nut  43.4 - 57.9  6.0 - 8.0 
Glow plug 
10.8 
-14.5 
1.5 - 2.0 
* NOTE: M8 indicates Metric, 8 mm thread diameter 
Westerbeke 
Diesel 
Engines 
94 










