fuel pump repair/maintenance '81 115 HP Evinrude

[svdk]

Looking to test fuel pump this weekend. If failing--how do I repair it? My manual is vary vague. I have a fuel pump kit but no instructions.


Thanks in advance-
Stephen

 

[tashasdaddy]

Re: fuel pump repair/maintenance '81 115 HP Evinrude

my manual just says
1. remove 4 screws holding body together.
2. separate body, dicard diapjram and chcek valves and gaskets.
3. assemble in reverse, with new diaphram, check valves and gasket.

good luck

 

[Mod2]

Re: fuel pump repair/maintenance '81 115 HP Evinrude

I'd bet you got an aftermarket kit. OEM kits come with instructions.

Look in the FAQ section for "9.9/15 OMC engines" by The Machinist. I seem to recall a section in the article about doing the fuel pumps.

 

[OBJ]

Re: fuel pump repair/maintenance '81 115 HP Evinrude

Here ya' go svdk. This should help.

http://www.wisnersinc.com/Fishing Info/Rebuilding_fuelpump.htm

 

[svdk]

Re: fuel pump repair/maintenance '81 115 HP Evinrude

Thanks for the link. Seems good for general principle but the pump described in the link is different that what I have.

I'm guessing it's about as simple as Tashasdaddy's instructions. I'll take a go at it this evening.

Thanks,
Stephen

 

[svdk]

Re: fuel pump repair/maintenance '81 115 HP Evinrude

I can't remove the plastic housing from the back metal casing. It looks like it is separated by two thin gaskets.

What's the best way of taking this apart?

Thanks,
Stephen

 

[svdk]

Re: fuel pump repair/maintenance '81 115 HP Evinrude

Well I solved my own problem. I tapped the metal casing with a hammer while resting the edge of the plastic housing the edge of an anvil.

I didn't now how fragile the plastic would be but the gasket gave way first.

Now on to rebuilding.

Thanks,
Stephen