Yamaha 25BMH 30HMH Factory Service Manual, Page 98Get this manual
TIGHTENING TORQUES
TIGHTENING TORQUES
SPECIFIED TORQUES
Part to be tightened POWER UNIT Recoil starter mounting Recoil starter center boit Recoil starter center Nut Flywheel magnet Power unit 1st mounting 2nd Intake manifold 1st mounting 2nd Spark plug 1st Cylinder head mounting 2nd 1st Exhaust cover mounting 2nd 1st Crankcase mounting 2nd LOWER UNIT Propeller Lower unit mounting Propeller shaft housing Pinion gear nut Water inlet BRACKET Shift actuator mounting Shift lever Mount rubber(side upper) Mount rubber(lower front) Steering bracket mounting Clamp bracket nylon ELECTRICAL CDI unit Ignition coil Engine stop switch Part name Bolt Bolt Nut Nut Bolt Bolt Bolt Bolt Bolt Nut Bolt Nut Bolt Nut Bolt Bolt Nut Bolt Nut Bolt Bolt Nut Bolt Bolt Nut Thread size M6 M12 M12 M8 M6 M14 M8 M6 M8 M10 M10 M6 M8 M5 M6 M10 M6 M10 M8 M6 M6 M6 M16 Q'ty Tightening torques 12 15 10 140 11 22 25 15 30 15 30 35 37 37 11 50 11 17 11 17 17 11 45 35 kgf 1.2 1.5 1.0 14 1.1 2.2 0.4 0.8 2.5 1.5 3.0 0.4 0.8 1.5 3.0 3.5 3.7 3.7 1.1 5.0 0.5 1.1 1.7 1.1 1.7 1.7 1.1 4.5 0.4 0.8 3.5 ft lb 8.9 11 .4 103 8.1 16 3.0 5.9 18 11 22 3.0 5.9 11 22 26 27 27 8.1 37 3.7 8.1 13 8.1 13 13 8.1 33 3.0 5.9 26 Remarks