While you wait for answers, we may have found some information which could help you.
Click here for Start Ignition PlugNew head for a RYOBI petrol strimmer?
Have I killed my hedge cutter??????
help ryobi strimmer vibration and lack of power?
how can I fix my hedgetrimmer PWR500HTA ?
ryobi expandit brush cutter very hard to pull start (tight)?
Replacement top blade-Ryobi RHT 750?