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Question

I have a yamaha 200. I am not getting pressure on the fuel rail. I drained all the old gas and put in new. I pumped it up to the bottom of the fuel pump. At the schrader valve there is no fuel coming out when pressed even during cranking. Could it be the old fuel varnished up the pump?

Submitted: 49 days and 4 hours ago.

Category: Boat

Value: $18

Status: AWAITING CUSTOMER ACTION

Make (of engine): yamaha
Model (of engine): 200rxz?
Year: 2001
Horsepower: 235

Already Tried:
replaced fuel. verified the integrity of the fuel system.

Posted by Mike 49 days and 4 hours ago.

Info Request

Do you here the fuel pump run with when the key is turned on?

49 days and 4 hours ago.

Reply

no but when I manually pressurize the fuel rail the motor will run. Also I am mixing a small amount of fuel injector cleaner with the mix.

Answer

If the fuel pump is not running this is why you have no fuel pressure at the rail. Check the fuses at the electrical box on the starboard side if the engine.

Accepts:
Expert:	Mike
Pos. Feedback:	100.0 %
Answered:	10/5/2009

Marine Mechanic

26 years certified marine mechanic and past state certified teaching degree

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