2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 26Get this manual
Tightening torques Part to be tightened 1st 2nd 1st 2nd 3rd Thread size M8 M10 M14 1st 2nd M6 M4 M18 1st 2nd 1st 2nd 1st 2nd M8 M10 M8 M10 M16 M16 M4 M6 M6 M6 M6 M8 M8 M14 M6 M6 M6 Tightening torques Nm kgfm ftlb 14 1.4 10.3 28 2.8 20.7 15 1.5 11.1 30 3.0 22.1 90 25 2.5 18.4 23 2.3 17.0 49 4.9 36.1 18 1.8 13.3 0.6 4.4 12 1.2 8.9 0.2 1.5 55 5.5 40.6 14 1.4 10.3 28 2.8 20.7 19 1.9 14.0 60 18 1.8 13.3 80 39 39 34 103 93 18 10 51 51 28 20 27 10 11 11 0.9 0.9 3.9 3.9 3.4 10.3 0.5 9.3 1.8 0.1 0.2 1.0 5.1 5.1 0.3 0.4 0.4 2.8 2.0 2.7 1.0 1.1 1.1 6.6 6.6 28.8 28.8 25.1 76.0 3.7 68.6 13.3 0.7 1.5 7.4 37.6 37.6 2.2 3.0 3.0 20.7 14.8 20.0 7.4 8.1 8.1
Cylinder head bolt
Spark plug Cylinder block plug Oil filter joint Oil filter Exhaust cover bolt Anode screw Exhaust cover plug Crankcase bolt