Fuel Pressure for 2005 50 HP 2 Stroke Mercury

[barker4684]

Can anyone tell me the operating fuel pressure for 2005 50 hp 2 stroke mercury? Wanting to put check valve in line to keep fuel from draining back to tank. The check valve requires a little over 2psi to operate.

 

[Faztbullet]

That is a anti siphon valve,installs at tank. can be bought online at any marine parts supplier

 

[barker4684]

That is a anti siphon valve,installs at tank. can be bought online at any marine parts supplier
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Thank you greatly! I have never heard of it! Will be picking one up.