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Replaced new gas line, new primer bulb, new gasoline. need to find out if gas line routing is correct / trimmer will start, but very hard to start, clean air filter. carb never been adjusted since new.

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  • Ragoo Monistere May 11, 2010

    What type and model, model number will help. thanks

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Line from tank with the filter on it is the supply line and goes to the carb inlet fitting. This is typically on the "bottom" of the carb (with the tank being up) and will usually have a fitting with barbs or a bulge on it to ensure a tight fit. The other fitting on the carb is the return line and is usually a straight tube fitting with no barbs. That line goes the suction side of the primer bulb. The third line goes from the outlet of the primer bulb to the return barb fitting in the bottom of the tank. Fittings have to be removed from tank to properly install the new hoses on them. Remove retainer ring on outide of tank and push fittings into tank, then shake out of the fill opening. More details on replacing hoses are listed in another post about Repairing Ryobi trimmer.

Have you checked the spark plug?

Posted on May 20, 2009

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Fuel tank...2 lines...smaller diameter line goes directly to the carb body. There are probably 2 brass nipples on the carb. This line goes to the one on the body opposite the end of the carb with the vent-hole in the cover. This is the fuel pump end...where fresh gas enters the carb.
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