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I have a 1994 Yamaha 40 horsepower 2-stroke outboard motor turns over won't start doesn't seem like it's getting gas change the fuel line any other suggestions

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Try removing a spark plug and make sure you are getting spark. If there is spark put a couple tablespoons of premixed fuel directly into the cylinder before putting the plug back in. It should fire right up, and hopefully will speed up the priming of the fuel system. Hope this is of some help to ya, good luck.

Posted on May 20, 2017

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Where is the oil filter located on a 2004 Yamaha outboard two stroke motor


Some links including a video of how to change the filter. In such questions horsepower is useful along with year :>) Oil filters would only be on a 4 stroke though to protect the engine oil. Your two stoke doesn't have filters in the lower unit. There may be a strainer in the two stroke oil tank.

check page 31 here
http://www.yamaha-motor.com/assets/service/manuals/1/LIT-18626-07-03_1415.pdf

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I have a 2012 mercury 6hp four stroke that will not idle without the choke on


Hi, Lee and the usual suspects are:
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1 Answer

1993 YAMAHA OUTBOARD 40 HORSEPOWER 2 STROKE MOTOR


sounds like the battery is hooked up backward, or the charge coil wire has worn thru and is shorting out on the flywheel.

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My Yamaha Outboard 115hp 1994 motor starts but wont keep its revs up for very long. I've had issues with water in the fuel recently and had all old fuel and water flushed out of my tanks and motor. After...


Not enough information, but there are two things I didn't read about you checking. Make sure the fuel quick connection on the engine (and possibly the fuel tank) is locked all the way in first, Then see if your fuel pump is working. Disconnect the fuel line from the carb and, holding it in a gas can, have someone turn on the ignition. If It's an electric pump, it should start running fuel, if mechanical, they'll have to crank it a little to get fuel going. If you get plenty of fuel that way, your float in the carb could have gotten stuck, or something in the line got into it.

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I have a 1993 2 stroke 40 hp mercury outboard motor and it seems that whenever you start it you need to use the choke, even when it's been running for some time and warm. Is that normal for these motors?...


Use it .It is a common thing with 2 strokes.Outboards have water in them and cool down quicker than say a 2 stroke motorbike. They have no water and keep the heat in the engine longer.If it runs well,,don't spend the money.All the choke does is gives the motor a slightly richer air/fuel mix at startup.It cannot hurt the motor.Hope this helps

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1 Answer

What type of petrol is needed for a yamaha outboard motor horsepower 8?


reg unleaded gas.

You haven't specified as to its year of manufacture, so if its older, as in a 2 stroke, it'll be a mix of gas and outboard oil.

If its a newer model, a 4 stroke, it'll be injected(Gas and oil seperate)

If you are totally unsure, Consult your owners manual and if you have none, then any Yamaha dealer can use the serial # off the motor to establish any specs on it for you.

Happy boating.

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