Specified tightening torque
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Specified tightening torque
Specified tightening torques are provided for specific nuts, bolts, and screws. Specified tightening
torque specifications are provided in the exploded diagrams and in the related working instructions.
When tightening these fasteners, follow the tightening torque specifications and procedures indicated
throughout the manual to meet the design aims of the outboard motor.
General tightening torque
This chart indicates the tightening torques for standard fasteners with a standard ISO thread pitch.
Symbol
Symbol
Illustrated symbols are used to identify the specifications which appear.
Width across flats (A) Thread size (B)
General torque specifications
N·m kgf·m lb·ft
8 mm M5 5 0.5 3.7
10 mm M6 8 0.8 5.9
12 mm M8 18 1.8 13
14 mm M10 36 3.6 27
17 mm M12 52 5.2 38
Symbol Definition Symbol Definition
Filling fluid Lubricant
Special tool Tightening torque
Wear limit, clearance Engine speed
Electrical data Replace the part with a new one.
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