Yamaha EK40G Service Manual
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Contents
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SPEC2-9 6H95G11SpecificationsTightening torquesSpecified torquesPart to be tightened Thread size Tightening torquesN·m kgf·m ft·lbFuel systemMain jet — 4 0.4 3.0Power unitPower unit mounting bolt M8 21 2.1 15.5Flywheel nut M20 160 16 115Manual starter nut M6 10 1.0 7.2Manual starter bolt M6 15 1.5 11.1Starter motor bolt M8 29 2.9 21Starter relay terminal nut M6 4 0.4 3.0Cylinder head bolt 1st M8 15 1.5 11.12nd 30 3.0 22Cylinder head cover bolt M6 12 1.2 8.7Exhaust outer cover bolt M6 8 0.8 5.8Crankcase bolt 1st M8 20 2.0 152nd 40 4.0 29.5Spark plug M14 25 2.5 18Lower unitCheck screw — 9 0.9 6.6Drain screw — 9 0.9 6.6Lower case mounting bolt M8 21 2.1 15.5Lower case cap bolt (EK40G) 1st M6 4 0.4 3.02nd 8 0.8 5.8Cooling water inlet cover (EK40J) M5 4 0.4 3.0Propeller nut (EK40J) M16 35 3.5 25.3Propeller shaft housing ring nut (EK40J) — 90 9.0 65Pinion nut (EK40J) M12 74 7.4 54.6Bracket unitThrottle grip screw M5 3 0.3 2.2Engine stop lanyard switch nut — 5 0.5 3.6Upper mount nut M8 28 2.8 20Lower mount nut M12 55 5.5 40Clamp bolt 1st M8 14 1.4 102nd 24 2.4 17.7Self locking nut M22 45 4.5 33Bracket nut M6 24 2.4 17.7Clamp pad bolt M6 10 1.0 7.2Tilt lever bolt M5 4 0.4 3.0Grease nipple — 3 0.3 2.2 |
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