Yamaha 90a Owner's Manual

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Contents

Yamaha 90a Owner's Manual Manual pdf 18 page image

Specifications and requirements12ohol) gasoline whenever possible.NOTICEECM01981● Do not use leaded gasoline. Leadedgasoline can seriously damage the en-gine.● Avoid getting water and contaminantsin the fuel tank. Contaminated fuel cancause poor performance or enginedamage. Use only fresh gasoline thathas been stored in clean containers.GasoholThere are two types of gasohol: gasohol con-taining ethanol (E10) and that containingmethanol. Ethanol can be used if the ethanolcontent does not exceed 10% and the fuelmeets the minimum octane ratings. All etha-nol blends containing more than 10% etha-nol can cause fuel system damage or causeengine starting and running problems.Yamaha does not recommend gasohol con-taining methanol because it can cause fuelsystem damage or engine performanceproblems.EMU36880Muddy or acidic waterYamaha strongly recommends that you haveyour dealer install the optional chromium-plated water pump kit if you use the outboardmotor in muddy or acidic water conditions.However, depending on the model it mightnot be required.EMU36330Anti-fouling paintA clean hull improves boat performance. Theboat bottom should be kept as clean of ma-rine growth as possible. If necessary, theboat bottom can be coated with an anti-foul-ing paint approved for your area to inhibitmarine growth.Do not use anti-fouling paint which includescopper or graphite. These paints can causemore rapid engine corrosion.EMU36341Motor disposal requirementsNever illegally discard (dump) the motor.Yamaha recommends consulting the dealerabout discarding the motor.EMU36352Emergency equipmentKeep the following items onboard in casethere is trouble with the outboard motor.● A tool kit with assorted screwdrivers, pli-ers, wrenches (including metric sizes), andelectrical tape.● Waterproof flashlight with extra batteries.● An extra engine shut-off cord (lanyard)with clip.● Spare parts, such as an extra set of sparkplugs.Consult your Yamaha dealer for details.Recommended gasoline:Regular unleaded gasoline