If you still don't have a spark with the new plug, then you may have a kill switch wire grounding the motor, keeping it from starting. If it's not that, then you have a bad ignition module (coil).
I have a Ryobi petrol line trimmer with curved shaft. Installed reeleasy head what a fiasco! Spool...
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I have a Ryobi petrol line trimmer with curved shaft. Installed reeleasy head what a fiasco! Spool is correct way, line is wound in by turning orange knob counter clockwise. When trimmer is started the springiness in the drive shaft allows the head to oscillate a few times & the inertia of the spool winds the line IN. Once this happens the only way to recover the situation is to remove the head, & line, & reinstal both. After about 10 times it may start smoothly & be O.K. & bump feed O.K The idea is fantastic if only I could get it to run without sucking the line in.
my riobi gas trimer mdel Ry30240 star plus ss30 s/n ATJ2071450 i got no spark need to change coil...
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my riobi gas trimer mdel Ry30240 star plus ss30 s/n ATJ2071450 i got no spark need to change coil can you please tell me how to take apart