Choosing premix fuel pump for 99 Evinrude Ocean Pro 200

[papayadialog]

I bought a 99 Aquasport with an Evinrude Ocean Pro 200 a year or so back. Engine wasn't running, so I went through everything. Ended up with new CDI, pick up, stator, and a carb cleaning. Has been running well since. Low oil light came on last trip on the way back to the dock but no alarm or anything. Went to start it a week later and it was a bit difficult to start, but it ran on the hose for 10 minutes after firing up and then stalled. Was very hard to restart after and wouldn't run without pushing the key in and activating that start solenoid mechanism. I assume the fuel pump is acting wonky. It was leaking fuel when I bought the boat and I had to reseal it. So I was thinking just replace it so I don't get caught on the water with it acting up.

To me the vro seems needlessly complicated and I wouldn't mind just premixing. At least I'd know that the engine is lubricated.


Anyways, this post isn't about the viability of premixing vs the factory designed oiling pump. I just want to know if there is a preferred fuel pump for these larger ocean pro engines for premixing. I was planning on purchasing this one:

https://www.michiganmotorz.com/johnson-evinrude-injection-conversion-fuel-pump-p-11494.html

​​​​​​​Any advice on choosing a pump would be greatly appreciated.

 

[jimmbo]

Something to read
https://forums.iboats.com/forum/eng...q/162226-more-about-vro-submitted-by-seahorse

 

[papayadialog]

While that is interesting, and I'm happy to test and completely diagnose the factory fuel pump so I appreciate the info, i'd still like to purchase and keep a straight fuel pump on board just in case. That's why I was asking for info on the swap.

When the factory pump was leaking originally I shopped the 2 Buna o rings and they were like $35 if I recall. That felt a bit rapey if I'm being honest. And a replacement pump was also astronomical. Coming from cars and motorcycles, it feels a bit absurd spending $600-$800 on something as rudimentary as a fuel pump.

But I understand that some people are diehard "the factory engineers know what they're doing and you can't do it better"... But I'm more of an Occam's razor guy. Not sure why my fuel pump needs to be counting pin pulses or whatever it does. I briefly took it apart and it looked like some botched german das auto solution.

 

[jimmbo]

Since your mind is made up, all you need is one source for the Pressure-Vacuum Pulses to operate a fuel only pump. Premix at 50:1 and you are set

 

[dingbat]

When the factory pump was leaking originally I shopped the 2 Buna o rings and they were like $35 if I recall. That felt a bit rapey if I'm being honest. And a replacement pump was also astronomical. Coming from cars and motorcycles, it feels a bit absurd spending $600-$800 on something as rudimentary as a fuel pump.

Your right....it is absurd to spend $600-$800 on an OEM part that lists for less than $400. After market VRO pumps for that engine are less than $200.....

You either didn't do your home work (believe hear say on the Internet) or you need to find a new supply house to source your parts

 

[racerone]

Factory parts prices include among other things.--------Packaging ,--- identification with part # , ----warehousing and storage , ----shipping ,----- retrieval ,----- profit etc.-------Even at say $ 10 for a single bolt the process is expensive and nobody is making a lot of money getting that one spare part to your doorstep.

 

[jimmbo]

Deleted, as I was going off on a Tangent

 

[papayadialog]

Thanks for all the help...:facepalm: