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Plumbing kicker fuel line off existing filter housing

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Plumbing kicker fuel line off existing filter housing

Old 06-17-2019, 06:08 AM
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Default Plumbing kicker fuel line off existing filter housing

I have a standard Racor filter and housing feeding my single 250 h/p Yamaha OX66. I just replaced my Ď95 Yamaha 9.9 two stroke kicker with a four stroke. Being that my OX66 is oil injected, I have always had to carry an extra fuel tank with premix fuel for my kicker.

As many of you know, my fuel filter housing has 4 ports: 2 in and 2 out. Is there any reason that I canít plumb my fuel line to my new kicker to the plugged 2nd out port on my main filter housing? The only time I ever anticipate running the kicker is if/when I have problems with the big motor.

Thanks in advance
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Old 06-17-2019, 06:12 AM
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A Primer Bulb (with check valve) for each line and there won't be any issues
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Old 06-17-2019, 06:20 AM
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no reason at all that you can't.
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Old 06-17-2019, 06:21 AM
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No outboard company recommends feeding more that engine off of a filter assembly or a tank pickup without an approved selector switch or individual shut off valves. Each motor has to be fed independently.
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Old 06-17-2019, 06:25 AM
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In case you havenít considered... if the problem with your main engine is associated with something shared with you kicker, your kicker may also have a problem.
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Old 06-17-2019, 06:35 AM
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Pretty much all our guys have their kickers running through the fuel filter for their main(s). Make sure the kicker gets its own bulb.

And, yeah, if you get bad fuel, you’ll have bad fuel for your kicker too.
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Old 06-17-2019, 06:44 AM
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We had a 3 way valve (1 in 2 out) on a boat with a single and a kicker. The valve was one way for the main engine and turn to the outer out for the kicker. Worked fine. Both of these were two strokes with their own separate oil tanks. The fuel had no oil in it. We never ran both engines at the same time. It was always one or the other. Separate bulbs for each engine.

You might use the kicker more then you think. We used it a lo for trolling since the kicker could move the boat slower then the main engine. Also to get to some clam /swimming /sandbar spots. And to get in if the main engine is not running.
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Old 06-17-2019, 12:47 PM
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if your kicker is for safety then running a separate tank is best. alot of the time a problem with fuel is the filter so then both engines are dead in the water.
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Old 06-17-2019, 12:53 PM
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I'm also in the camp of keeping a separate fuel supply. That will keep a fuel issue from shutting you down completely.
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Old 06-17-2019, 12:57 PM
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Originally Posted by Grady246g View Post
I have a standard Racor filter and housing feeding my single 250 h/p Yamaha OX66. I just replaced my Ď95 Yamaha 9.9 two stroke kicker with a four stroke. Being that my OX66 is oil injected, I have always had to carry an extra fuel tank with premix fuel for my kicker.

As many of you know, my fuel filter housing has 4 ports: 2 in and 2 out. Is there any reason that I canít plumb my fuel line to my new kicker to the plugged 2nd out port on my main filter housing? The only time I ever anticipate running the kicker is if/when I have problems with the big motor.

Thanks in advance
i do it but recommend having a ball valve on each outlet.
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Old 06-17-2019, 01:48 PM
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Separate everything or kicker is just dead weight. Do have way of cross connecting though.
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Old 06-17-2019, 03:44 PM
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Chances are you won’t run both engines at the same time.

I see no issue doing what you want. Keep it simple.

I would argue the threat of a separate fuel cell is a bigger concern vs contaminated fuel.
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Old 06-17-2019, 05:10 PM
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Originally Posted by captbone View Post
Chances are you wonít run both engines at the same time.

I see no issue doing what you want. Keep it simple.

I would argue the threat of a separate fuel cell is a bigger concern vs contaminated fuel.
do it....no problem...install valve on kicker supply
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