2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 103Get this manual
Power unit
49 (4.9 kgf m, 36.1 ft Ib) 18 (1.8 kgf m, 13.3 ft Ib)
23 (2.3 kgf m, 17.0 ft Ib)
26RT1 10 28 27
12 13 14 29 30
2 (0.2 kgf m, 1.5 ft Ib)55 (5.5 kgf m, 40.6 ft Ib)
23 20 21 22 (0.6 kgf m, 4.4 ft lb) 12 (1.2 kgf m, 8.9 ft lb)