Mercruiser 5.0 L Thunderbolt V ignition fogging

Brandonman

Cadet
Joined
Sep 20, 2007
Messages
21
Mercruiser 5.0 L Thunderbolt V ignition( from 2000 Maxum 1900 SE).
Is this a carb system or an MPI. It does not say that it is an MPI so I am assuming that it is carb. I want to confirm so that I can spray fogging oil down the carb throat when time to winterize but don't want to damage it in case it is an MPI. I can take pics it that helps. Thank you in advance.

Brandon
 

Yacht Dr.

Vice Admiral
Joined
Feb 26, 2005
Messages
5,581
Re: Mercruiser 5.0 L Thunderbolt V ignition fogging

Hi Brandon..

You kinda answered your own question..

If you can find a carb fog it..if not then you wont be able to

Why spray fogging oil ? just pour some of the real stuff down there :)

If you have injection..then you should replace your fuel filter with a new one filled up with a mix of fuel/treatment at winterization.

YD.
 
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