Yamaha F50F - Page 45

6C13G11
2-22
1
2
3
4
5
6
7
8
9
Cylinder head bolt
1st
M6
60.64.4
2nd 12 1.2 8.9
1st
M9
12 1.2 8.9
2nd 23 2.3 17.0
3rd 90°
Spark plug — 17 1.7 12.5
Cooling water temperature sensor — 23 2.3 17.0
Oil pressure switch — 80.85.9
Oil pressure switch lead bolt M4 2 0.2 1.5
Exhaust cover bolt
1st
M6
60.64.4
2nd 12 1.2 8.9
Exhaust cover plug
M14 23 2.3 17.0
M18 55 5.5 40.6
Oil filter union bolt — 40 4.0 29.5
Oil pump screw M6 4 0.4 3.0
Crankcase bolt
1st
M6
60.64.4
2nd 12 1.2 8.9
1st
M8
15 1.5 11.1
2nd 30 3.0 22.1
Connecting rod cap bolt
1st
—
60.64.4
2nd 17 1.7 12.5
Lower unit (F50, F60)
Gear oil drain screw — 90.96.6
Gear oil check screw — 90.96.6
Lower case mounting bolt M10 39 3.9 28.8
Propeller nut M16 34 3.4 25.1
Ring nut — 103 10.3 76.0
Cooling water inlet cover screw — 40.43.0
Pinion nut M16 74 7.4 54.6
Propeller shaft housing bolt M8 16 1.6 11.8
Lower unit (FT50, FT60)
Gear oil drain screw — 90.96.6
Gear oil check screw — 90.96.6
Lower case mounting bolt (nut) M10 39 3.9 28.8
Propeller nut M16 34 3.4 25.1
Ring nut — 103 10.3 76.0
Cooling water inlet cover screw — 40.43.0
Pinion nut M16 93 9.3 68.6
Propeller shaft housing bolt M8 16 1.6 11.8
Part to be tightened Thread size
Tightening torques
N·mkgf·mft·lb
Tightening torques