20 Most Recent Ryobi 30cc 17" String Trimmer Zrry30530 Wcurve Shaft - Page 2 Questions & Answers

turn switch on and if you did that check air filter and muffler. if either of these are clogged it will not start

Do not choke,Hold trigger down and pull the starter several time to clear the carb. of gas . You may have to remove the spark plug and dry it.

they make a tool to compress them then push the piston down and install the pin and clips

Here is the manual you requested.

If there is no spark then I would suggest checking out the plug wire for cracks or breaks If there is none present then the ignition coil could be finished Take it off take it into your small engines dealer and get him to test it.