Yamaha 115-225 HP Outboards Service Manual, Page 29Get this manual
ISPEC IMAINTENANCE SPECIFICATIONS TIGHTENING TORQUE
V4: 115, 130, L130 V6: 150, L150, P150, 175, 200, L200, P200, 225 Part name Thread size O'ty V4 V6 Tightening torque Nm 20 40 10 18 15 30 190 12 10 P1 .25 16 21 25 30 12 53 73 95 145 21 55 80 70 3.0 4.0 13 37 m.kg ft.lb 2.0 4.0 1.0 1.8 1.5 3.0 0.4 0.8 19 2.1 2.5 0.4 0.8 0.4 0.8 3.0 1.2 5.3 7.3 9.5 14.5 2.1 5.5 8.0 7.0 6.3 0.4 1.3 3.7 15 29 7.2 13 11 22 2.9 5.8 137 15 18 2.9 5.8 2.9 5.8 22 9.0 38 52 69 105 15 40 58 51 2.2 2.9 9.4 26 Apply LOC-TITE 572 General torque specifications m.kg Nm ftlb 5_0 0_5 3.6 8_0 0.8 5.8 18 1.8 13 3.6 36 25 43 4.3 31 Apply LOC-TITE 572 Apply LOC-TITE 572 Apply LOC-TITE 572 Apply LOC-TITE 572 Apply OIL Remarks Part to be tightened ENGINE: 1st Crankcase 2nd 1st 2nd Cylinder head Exhaust cover Flywheel Power unit Spark plug Thermostat cover Intake manifold 1st 2nd 1st 2nd Bolt Bolt Bolt Nut Nut Nut Nut Nut Bolt Nut 1st 2nd 1st 2nd Bolt Bolt Bolt Bolt Nut Bolt, nut M10 M8 M8 M6 M20 M8 M14 M6 M6 M8 M22 M12 M14 M16 M8 M18 P1.25 P1.25 P1.25 P1.0 P1.25 P1.25 12 20 23 12 28 29