Yamaha F20B Owner's Manual
Also see for F-20B: Owner's manualOwner's manualService manualOwner's manualInstallation manual
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Maintenance73TIP: If a magnetic gear oil drain screw isequipped, remove all metal particles fromthe screw before installing it. Always use new gaskets. Do not reuse theremoved gaskets.4. Remove the oil level plug and gasket toallow the oil to drain completely. NO-TICE: Inspect the used oil after it hasbeen drained. If the oil is milky, wateris getting into the gear case whichcan cause gear damage. Consult aYamaha dealer for repair of the lowerunit seals. [ECM00711]TIP:For disposal of used oil, consult yourYamaha dealer.5. Put the outboard motor in a vertical po-sition. Using a flexible or pressurized fill-ing device, inject the gear oil into thegear oil drain screw hole.6. Put a new gasket on the oil level plug.When the oil begins to flow out of the oillevel plug hole, insert and tighten the oillevel plug.7. Put a new gasket on the gear oil drainscrew. Insert and tighten the gear oildrain screw.EMU29302Cleaning fuel tankWARNINGEWM00920Gasoline is highly flammable, and its va-pors are flammable and explosive. If you have any question about properlydoing this procedure, consult yourYamaha dealer. Keep away from sparks, cigarettes,flames, or other sources of ignitionwhen cleaning the fuel tank. Remove the fuel tank from the boat be-fore cleaning it. Work only outdoors inan area with good ventilation. Wipe up any spilled fuel immediately. Reassemble the fuel tank carefully. Im-1. Gear oil drain screw2. Oil level plugRecommended gear oil:Hypoid gear oil SAE#90Gear oil quantity:0.250 L (0.264 US qt, 0.220 Imp.qt)ZMU0206421Tightening torque:9 Nm (0.9 kgf-m, 6.6 ft-lb)Tightening torque:9 Nm (0.9 kgf-m, 6.6 ft-lb)ZMU02065 |
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