1965 Evinrude RK-27A 40HP

[giantfan]

Afternoon all,

Just picked up my first boat (and old gal & beater) a 1962 14' Crestliner with a '65 Evinrude 40HP.

Going thru the long list of items that seem to require replacement (eg primer bulb not working, old steel gas cans seem to have worn fitting and hissing air when priming, fuel lines brittle and need replacement, etc).

As a first time boat owner and with a boat needing lots of work I truly appreciate having found this forum and the wealth of info available here. Over the past day or two I've gone from a bit of despair over getting this boat going - to confidence that it will get running well.

One problems I'm currently finding that if I prime the bulb (new) until it's very hard I can actually get fuel to pour from an opening on the top right of the carb. Plus, my bulb loses pressure shortly after having primed it (could also be at the tank fitting side - replacing with new plastic tank and fittings this week).

From reading on the forums I am assuming that fuel coming from the carb when priming would be a sign of a float/needle problem?

I'll be following the Top Secret files/links to doing the carb work and just wanted to say a big thanks to all the contributors here! It's amazing how many questions can be resolved when searching these forums.

If there are any other suggestions on the fuel from carb when priming issue please do not hesitate to let me know. Otherwise this point if more of a 'thanks' than a question.

 

[kfa4303]

Re: 1965 Evinrude RK-27A 40HP

Hi giantfan. Welcome to iboats. Sounds like you've done your homework. The gas pouring out of the carb is a classic sign of a float needle problem. I would suggest you simply rebuild the entire carb as well as replacing the fuel lines and ignition components. A carb kit and tune up kit are only about $25 each, and you should be able to get fuel lines from any auto parts store for a few $ a foot. When it comes time to pull the flywheel to work on the ignition, be sure you use GRADE 8 bolts rather than the ones that come with the puller. Here are some great links that can walk you through a tune up for that old gem. Good luck. Holler if you get stuck.

http://www.duckworksmagazine.com/04/s/columns/max/24/index.cfm

http://www.marineengine.com/parts/v...ntage-evinrude-johnson/380579/38057900001.htm

http://www.outboard-boat-motor-repa...on 3 HP 1952-1967 Ignition System Tune-up.htm

http://www.outboard-boat-motor-repa...hnson 5.5 HP 1954-1964 Carburetor Tune-UP.htm

 

[giantfan]

Re: 1965 Evinrude RK-27A 40HP

Thanks for the welcome and the great links!

I forgot to bring a section of the old gas line home with me and am trying to find two hose sizes (so I can buy replacements while in the city versus up north):

-First, for the main fuel line I am assuming from searching the forums here that i should be getting 3/8 inch fuel hose.
-However, on the engine mounted fuel pump 'out' to the carb area, it looks to be a much thinner gauge, or at least walled, hose. Suggested on the best tubing to utilize for these finer 'in engine' hoses?

Additionally, there appears to be no inline fuel filter visible, so will search for forums for recommended options. I'df love to have a clear filter to be able to see that there is fuel visible without air in the line.

The lines are all very brittle and could be originals. Still have the crimp style connectors which I'll replace with the screw tight fittings to help ensure proper seals.



thanks again!

 

[kfa4303]

Re: 1965 Evinrude RK-27A 40HP

Hello again gaintfan. The fuel hose leading from the tank to the motor is usually 3/8" regular, auto motive fuel line. The section of fuel line going from the fitting on the motor to the fuel pump is 1/4" diameter (I think) and thick walled because it's under suction/vacuum, whereas the line leading out of the fuel pump to the carb does not need to be as thick and is just regular 1/4" fuel line. They do make marine/ethanol resistant fuel lines, which are great if you can find them, but any auto parts store should have the normal type. I would suggest the screw type o-ring clamps you mentioned too. They work great and are reusable. Stainless steel is nice, but not necessary. I also install a clear, inline plastic fuel filter on all my motors per your suggestion. I usually put it in between the fuel pump and the carb, so I can see if the pump is working, but you could really put it any where. Here's a pic of the type I use, but there are many others as well.

 

[giantfan]

Re: 1965 Evinrude RK-27A 40HP

Thanks again!

Looking forward to the weekend to get this project under way. Will photo along the way in case I run into snags.

Again, thanks!