Could be a gummed up carb. Take apart to clean, if poss. MAKE DRAWEINGS OF WHERE BITS GO BEFORE YOU GET LOST.
More parts and diagrams here:
http://www.shouldersofshoreham.co.uk/sos_17Bamp.mvc?P=RCT2800
(includesmentikon of 2 types of carb repair kits)
http://www.ryobispares.co.uk/assets/applets/RCT2800.PDF
http://www.magic-parts.co.uk/acatalog/Ryobi_RCT2800C.php
http://bit.ly/1E5dHyE
X
March 2015