Marine power 502 pfi. Looking for injectors.
 

Hi everyone!

Can anyone help me to find injectors for this old engine?

I cant find it over the internet😳

engine was rebuild, but can't find injectors (

Is 861260t fit for this engine?

Or maybe 17090919.

Please, help.

https://cimg0.ibsrv.net/gimg/www.off...c1c3970ee3.jpg
https://cimg1.ibsrv.net/gimg/www.off...df0d2fbd67.jpg
https://cimg2.ibsrv.net/gimg/www.off...7f4a6b1ada.jpg
https://cimg3.ibsrv.net/gimg/www.off...005641ca1a.jpg

serial number?

Are you the new pup..............lol

Thank you for reply!

I dont know ( i mean, have no idea, where to look it.

It is not presented in boat's docs. I can only see "marine power 502 pfi " on the engine cover.

Where can i find it?

​​​
It is 2002 boat

Yes...but im working on it)

what is a 502 pfi

On ebay/amazon many offers for mercruiser 8.2l mpi and efi injectors. But no pfi engines of marine power

I hope it is engine model. 8.2l 502 pfi , marine power, 2002 or a bit earlier

Maybe(not sure at all) same as gen VI gm 502 8.2l

Maybe anyone has the same old engine... i hope

Without a serial number could use the pic of the fuel rail to see which it would use.

The older ones were 805225A1, shows crossing to Mallory 9-33100 but not many have tried them that I'm aware of


https://cimg9.ibsrv.net/gimg/www.off...7487b1679.jpeg


The later style used 861260T which cross to Mallory 9-33101


https://cimg1.ibsrv.net/gimg/www.off...ce1bce76d.jpeg

eBay and Amazon injectors a commonly poor copied of the real thing. I’d stay away from them.

those look like mercury part numbers. Not sure if marine power used the same? Pfi probably stands for port fuel injection

Yes, pfi port fuel injection!!!👍👍👍

​​​​​​It is probably same gm 8.2 engine with any difference in throttle module and injection systems

thank you so much! It is really helpful!!

Old injectors look like barrels

https://cimg4.ibsrv.net/gimg/www.off...94afa313bc.jpg
https://cimg5.ibsrv.net/gimg/www.off...63289ccc37.jpg
https://cimg6.ibsrv.net/gimg/www.off...1179efb84d.jpg
https://cimg4.ibsrv.net/gimg/www.off...5a814fb2ee.jpg

Came up as 3rd result when I seached ‘Marine Power 502.’

http://marinepowerusa.com/wp-content...anual-1993.pdf

Also, if your in the states you can send to a good injector place like member ArcticFriends. They can go thru them and if replacement needed, will probably have a good teplacement.

Thank you. Unfortunately, not from US(

it is great idea about injectors remanufacturing.

Already downloaded.

but it is mpi, not pfi.

Do you think it is the same?

Another problem - 0730500 no longer available 😳"​



https://cimg4.ibsrv.net/gimg/www.off...02f12a9da2.jpg

Yes there Merc and didn't know until today that it was marine power

PFI and MPI is same thing but different name

I would send the injectors to Artic Friends as SB mentioned

Found these and would check with Holley but they look right

https://www.holley.com/products/fuel.../parts/522-361

Thank you! If won't find new injectors, will try to restore old ones. Old ones work from 2002😉

Thank you so much. I'll try to contact Holley.

You think efi and mpi/ pfi the same?

AZ Speed is still around.

I see pfi (ported fuel injection)and mpi (multi port injection) as the same thing, just different names

efi is electronic fuel injection which covers mpi, pfi and TBI (throttle body injection)

Sounds reasonable, thank you

call marine power for information.

Mailing them few times, no answer.

Anyway, thanks for idea!

Those injectors look just like the ones found on a Mercury racing 500 EFI. Even has the same clip to hold them to the fuel rail.

You need to call John at Boats Unlimited 817-658-7721 he can get you taken care of correctly 100% on these.

Thanks to all of you, guys!

​​​​​I really appreciate your advices and opinions!

For the moment decision is to rebuild old ones by local service.

If result won't be achieved, than will return to searching for new injectors.

For the moment topic can be paused.

Thank you one more time👍👍👍