2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 70Get this manual
Tightening torques Part to be tightened Lower unit (T50FT50B, FT50C) Check screw Lower unit bolt Drain screw Propeller nut Ring nut Water inlet cover screw Pinion nut Bracket unit Tiller handle assembly nut (F50F50A) Engine shut-off switch nut (F50F50A) Tiller handle bracket nut (F50F50A) Main switch nut (F50F50A) Friction wing nut (FT50C) Tiller handle assembly nut (FT50C) Throttle cable (short) locknut (FT50C) Upper mount nut Lower mount nut Trim sensor screw Clamp bracket self-locking nut Power trim and tilt Tilt cylinder end screw PTT motor bolt Reservoir cap Trim cylinder end screw Tilt piston bolt Relief valve bracket bolt Gear pump assembly bolt Gear pump bracket bolt Electrical unit Pulser coil screw Starter motor nut Thread size Nm 40 35 105 95 37 38 13 37 37 24 42 23 90 6.5 80 61 5.3 6.5 5.3 Tightening torques kgfm ftlb 0.7 4.0 0.7 3.5 10.5 0.5 9.5 3.7 0.4 3.8 0.5 1.3 3.7 3.7 2.4 4.2 0.2 2.3 9.0 0.4 0.65 8.0 6.1 0.53 0.65 0.53 0.4 0.9 5.1 29 5.1 25 76 3.6 69 27 2.9 27 3.7 9.4 27 27 17 30 1.4 17 65 2.9 4.7 58 44 3.8 4.7 3.8 2.9 6.5