6D81G11 2-12123456789Cylinder head bolt1st M8 14 1.4 10.32nd 28 2.8 20.71stM1015 1.5 11.12nd 30 3.0 22.13rd 90°Spark plug — 25 2.5 18.4Cylinder block plug M14 23 2.3 17.0Oil filter joint — 49 4.9 36.1Oil filter — 18 1.8 13.3Exhaust cover bolt 1st M6 6 0.6 4.42nd 12 1.2 8.9Anode screw M4 2 0.2 1.5Exhaust cover plug M18 55 5.5 40.6Crankcase bolt1st M8 14 1.4 10.32nd 28 2.8 20.71st M10 19 1.9 14.02nd 60°Connecting rod cap bolt 1st M8 18 1.8 13.32nd 80°Lower unitGear oil drain screw — 9 0.9 6.6Gear oil check screw — 9 0.9 6.6Lower case mounting bolt (L-transom model) M10 39 3.9 28.8Lower case mounting nut (X-transom model) — 39 3.9 28.8Propeller nut M16 34 3.4 25.1Ring nut — 103 10.3 76.0Cooling water inlet cover screw — 5 0.5 3.7Pinion nut M16 93 9.3 68.6Bracket unitShift rod detent bolt — 18 1.8 13.3Shift position switch screw M4 1 0.1 0.7Flushing hose adapter screw M6 2 0.2 1.5Oil pump bolt M6 10 1.0 7.4Upper mounting nut — 51 5.1 37.6Lower mounting nut — 51 5.1 37.6Grease nipple — 3 0.3 2.2Oil pump cover screw M6 4 0.4 3.0Oil seal housing screw M6 4 0.4 3.0Upper mount bolt M8 28 2.8 20.7Muffler assembly bolt M8 20 2.0 14.8Engine oil drain bolt M14 27 2.7 20.0Oil strainer bolt M6 10 1.0 7.4Oil pan bolt M6 11 1.1 8.1Exhaust manifold bolt M6 11 1.1 8.1Part to be tightened Thread size Tightening torquesN·m kgf·m ft·lbTightening torques