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Sirs; I have a 16" RYOBI 31cc gas trimmer (Model # 775R"EZ", S/N 802183858) that does not have a spark. A local repair store told me that it needs a new coil at a cost of at least $90.00. I am a shade tree mechanic and can fix many items if I have the repair manuals for them. The engine has good compression and the trimmer has not been used very much so I want to repair it. Can you give suggestions as to where I can get the manual? Thank you!

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4 Suggested Answers

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Posted on Jan 02, 2017

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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

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SOURCE: MY RYOBI 31CC 775R WEEDEATER WON'T START I

spary a little startingfluid in carb to see if it start if it start rebuild carb.to change fuel line
only if there dryrotted if it go thourght the gastank in little hold cut new line on a angle and thread through hold.hope helps you.let me know ok

Posted on Jul 25, 2009

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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only if there dryrotted if it go thourght the gastank in little hold cut new line on a angle and thread through hold.hope helps you.let me know ok

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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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