While you wait for answers, we may have found some information which could help you.
Click here for Start Ryobi Problem
help ryobi strimmer vibration and lack of power?
Replacement top blade-Ryobi RHT 750?
charger and battery pack where can i get them?
Ryobi RBC30SET fuel tank?
how can I fix my hedgetrimmer PWR500HTA ?
New head for a RYOBI petrol strimmer?