2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 69Get this manual
ISpecifications
Part to be tightened Thread size Tightening torques Nm kgfm ftlb 160 30 21 25 140 38 18 12 23 47 14 18 18 12 12 15 30 17 40 35 75 16 0.4 0.3 0.9 0.7 0.9 0.2 0.7 3.0 0.7 2.1 0.8 2.5 14 3.8 1.8 0.6 1.2 2.3 4.7 1.4 1.8 1.8 0.6 1.2 0.6 1.2 1.5 3.0 0.6 1.7 0.7 4.0 0.7 3.5 0.5 7.5 116 2.9 2.2 6.5 5.1 6.5 1.4 5.1 22 5.1 15 5.8 18 101 28 13 4.3 8.7 17 34 10 13 13 4.3 8.7 4.3 8.7 11 22 4.3 12 5.1 29 5.1 25 3.6 54
Tightening torques
Specified torques
Power unit Flywheel magnet nut Stator base screw Cover screw Negative battery lead bolt Positive battery lead nut Oil pressure switch Oil pressure switch lead screw Ignition coil bolt Starter motor bolt Starter motor terminal nut Power unit bolt Tensioner bolt Tensioner adjusting bolt Drive sprocket nut Driven sprocket bolt Spark plug 1st 2nd 1st 2nd