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Leak gas line

How to replace fuel line on Ryobi 775r trimmer. No fuel line from tank . Missing.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 512 Answers

SOURCE: Ryobi 775r gas trimmer stalling when tilted

You have a air leak between to tank and motor. Could be carb gasket. When using in tilted position you dont have gravity feeded carb anymore, causing air to be sucked into carb. Take off carb and spray with crb cleaner, then blow out with air gun. Replace gasket, make sure all new lines and bulb connections are connected securely.

Posted on Jul 17, 2009

  • 2 Answers

SOURCE: Ryobi 700r gas trimmer. Leaking fuel from the fuel

There is no nipple. The fuel line is just pushed through and holds itself tight against the hole in the tank.

This is the return line from the primer bulb, right?

Just replace the line and you should be fine. I think that some of these Ryobi lines are 3/16 OD and 3/32 ID, but I just picked up a Ryobi fuel line kit at Home Depot today, and the black line seems to fit nicely here. (My trimmer still won't start, but at least it doesn't leak gas any more.) Be careful to note which line comes from where on the orimer bulb.

Steve

Posted on Jun 01, 2010

  • 1 Answer

SOURCE: ryobi 2 cycle gas trimmer 705r/725r

The gas nipple that come out I have...whats goes in the other hole?

Posted on Sep 04, 2010

elix0411
  • 3530 Answers

SOURCE: My Ryobi gas trimmer is

If the hose is loose on the nipple try a small hose clamp to fix it. As long as there is no crack outside it, your tank is ok.

Or you can replace the return line. I believe this is a known issue for some Ryobi models.
Be careful to note which line comes from where on the primer bulb.

Posted on Oct 07, 2010

rycgl
  • 1545 Answers

SOURCE: i need the fuel/oil mixture

The fuel/oil mixture is 40:1. That is 3.2 oz. oil/US gallon. Now for the fuel lines:

The small diameter line out of fuel tank (has filter in-tank on end) connects directly to the side of the carburetor that has the fuel pump....that is the cover without the hole in it. Other larger diameter fuel line out of tank connects to the longer nipple on the external purge/primer bulb. The bulb "pulls" fresh fuel from the fuel tank to the carb and then out of the carb to itself, where it then "pushes" any air/old fuel back into the fuel tank. The remaining larger diameter fuel line in this setup goes from the metering chamber (has cover with writing on it and a vent-hole) side of the carburetor to the smaller nipple on the purge/primer bulb. Again, on the primer bulb, the longer nipple has a line going directly from it to the tank. This is the return line. The shorter nipple on the bub has a line from it going to the metering chamber side of the carb. If the purge/primer bulb is on top of the carb...small line from carb body to small hole in tank with filter. Larger diameter line goes from the bulb on the fuel pump side of the carb to the larger hole in the fuel tank where sometimes the line is held in place with a nylon nipple connector that keeps the line from pulling out of the tank. Otherwise, the line should enter the tank for about 1/2" or so.

Posted on Jan 11, 2011

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There is no nipple. The fuel line is just pushed through and holds itself tight against the hole in the tank.

This is the return line from the primer bulb, right?

Just replace the line and you should be fine. I think that some of these Ryobi lines are 3/16 OD and 3/32 ID, but I just picked up a Ryobi fuel line kit at Home Depot today, and the black line seems to fit nicely here. (My trimmer still won't start, but at least it doesn't leak gas any more.) Be careful to note which line comes from where on the orimer bulb.

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Ryobi 775r gas trimmer stalling when tilted


You have a air leak between to tank and motor. Could be carb gasket. When using in tilted position you dont have gravity feeded carb anymore, causing air to be sucked into carb. Take off carb and spray with crb cleaner, then blow out with air gun. Replace gasket, make sure all new lines and bulb connections are connected securely.

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