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Author Topic:   Kicker Installation
acseatsri posted 04-15-2002 06:19 PM ET (US)   Profile for acseatsri   Send Email to acseatsri  
How does everyone have their kickers set up as far as fuel supply? Is it ok to tee into the main line after the fuel filter, or is this a possible lean condition? Or would it be advisable to install fuel shutoffs on both lines so that the motor not being run can be isolated from the other?
Tom W Clark posted 04-17-2002 11:53 AM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     

You can set it up either way. If you want the kicker to have its own tank then you will have the extra security of a separate fuel supply that can help you avoid getting stuck due to bad fuel or simply running out of gas. However, the price is the inconvenience of this extra tank taking up space in your boat.

I think most plumb their kicker off the main tank as I have done with my last five boats. You can tee into the line after the fuel filter but this is not really necessary because almost all fuel filter/separators I have seen have extra ports you can use to attach an auxiliary fuel line to.

By doing this you get the benefit of the filter protecting the fuel to the kicker motor as well. No need to install shutoffs because once the fuel has made its way to the filter it's a done deal. Separating the motors won't help matters if the fuel is contaminated.

You needn't worry about a lean condition due to this set up.

There are a couple of conditions that would make this set up more difficult to build however. One is if you have twins running from a single fuel tank and thus are using both fuel ports of the filter separator.

The second situation is if you are running a four stroke main motor but a two stroke kicker or even a VRO main with a non-VRO kicker. Conversely, a two stroke premix main motor with a four stroke kicker will defeat a common fuel set up.

In the former case(s) you can use a small oil mixing unit for the kicker itself. I did this on my last two Whalers and it was perfectly satisfactory but I now have a four stroke kicker and life is just that much easier.

acseatsri posted 04-17-2002 01:27 PM ET (US)     Profile for acseatsri  Send Email to acseatsri     

Thanks for the reply. I have a 1988 Evinrude 150 VRO and a Honda 8 HP kicker. I plan on running the Rude into the ground, so the kicker gives me peace of mind if something happens to the main. At that point I'll consider repowering with a slightly smaller 4-stroke motor. 150 on an 18OR is just too much in my book- over 40mph the boat is in air more than water- at least on LI sound in the area of the Race.
You're correct about the filter having 2 outlet ports on it. My big concern was leaning out the main if there was a slight air leak from the kicker line.

Tom W Clark posted 04-17-2002 08:13 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     

A 150 hp OMC outboard on an 18 Outrage is exactly what I had. I wouldn't want an 18 any other way.

With your four stroke Honda kicker, just run another fuel line off a fuel barb installed into your filter/separator and away you go. If you have an air leak that is a problem. Don't let there be an air leak. It shouldn't affect the big motor at any rate.

This very set up is what I used on my Outrage. You'll like it. Very clean, very simple.

larimore posted 04-19-2002 10:29 PM ET (US)     Profile for larimore  Send Email to larimore     
I had a Honda 15 4-stroke and a 225 Johnson.
I had a T fitting after the filter and fuel line pump bulb. I had a problem with the Johnson sucking air out of the Honda and running the Johnson lean, probably because I had a straight line to the Honda with no pump bulb which has a one-way valve in it. I replaced the T with a fuel tank switch valve - Which fixed everything, except when I forget to switch back.
Keeping the Honda pump bulb in the line might have been an easier fix.
Hard Drive; Miami, FL
mark posted 04-20-2002 08:25 AM ET (US)     Profile for mark  Send Email to mark     
I'm installing a new merc 150 on my 18 OR and will be using a johnson 9.9 kicker. I planned on using another tank with pre-mix. What did you mean by using a small oil mixing unit ? I would like to just run an extra line off the filter to the kicker.
Thanks, Mark

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