2001 90hp 2 stroke mercury, enrichment valve hoses

[nickcasa]

I ordered an enrichment valve as my engine was missing one for some unknown reason, former owner also removed the oil injection and i premix directly into the tank, but thats fine, runs no problem.

I can't figure out from the manual where the top hose on the valve goes to. I'm assuming it taps into the fuel source somewhere so it can push fuel into the carbs when activated. Can someone post a picture or guide me on this one?

Much thanks, awesome forum, i learn alot from you all

Nick

 

[Texasmark]

Re: 2001 90hp 2 stroke mercury, enrichment valve hoses

On the Port side of the carbs the normal fuel is delivered to each carb. On the Starboard side of the intake manifold, just behind the carbs is the hose manifold connecting the output of the enrichment valve to the engine behind each carb. The inlet to the valve comes from the output of the fuel pump, teed off the fuel line that feeds the carbs.

When the engine is off, the fuel squeeze bulb provides pressure to force fuel into the intake manifold when the switch is on.....key pushed in on control box and in On or Start functions. When the engine is running the fuel pump keeps fuel pressure available.

Mark

 

[McSquid]

Thanks for the reply, I hope I can find it on mine.

 

[Chicago4200]

I hope this will help out.