18 evinrude tank and hose

HighTrim

HighTrim

Supreme Mariner
Joined
Jun 21, 2007
Messages
10,486
Re: 18 evinrude tank and hose

Welcome to iboats.

DO you have a model number so that we can pinpoint a year for you to start.
 
JB

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: 18 evinrude tank and hose

You may have to add a fuel pump if you want to use a modern, single fuel line, fuel system.

If you have no fuel pump you will have a triangular shaped connector on the engine for the double line system. One line carries pressure to the tank to pressurize it and the other carries fuel to the carburetor.

Double lines and tanks with the correct fitting can usually be found on eBay.

I recommend adding a fuel pump and using modern single lines and tanks. I think there is an article on how to do it in the Engine FAQs Forum.

Good luck. :)
 
1946Zephyr

1946Zephyr

Vice Admiral
Joined
Oct 21, 2008
Messages
5,556
Re: 18 evinrude tank and hose

Any OMC tank from that year, will latch on to that 18 of yours. However, a lot of us would agree, that it would be better to convert that baby to a more modern single line tank set up. A lot of the guys swear by the Mikuni fuel pump and I agree with them. I bought one myself to put on a 1953 25hp.:cool:
 
tashasdaddy

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: 18 evinrude tank and hose

the problem with the 18hp is finding the correct, bypass cover with the mounting bosses. there is absolutely nothing wrong with the 2 lines system. the tanks are for sale on ebay used, ranging from $20-$100. laingsoutboards.com has the rebuild kits for the tanks.

true the mikuni pump will work also, but many have messed up motors trying to convert.

either way you go the cost is going to be really close.
 
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