All the RYOBI 31 have a reed valve in the back plate.
ORIGINAL: TEDDYWILKK
I NEVER LOOKED AT A RYOBI BECAUSE I DIDNT LIKE THE CARB AND MUFFLER POSITION BUT I WANT TO PUT A REED VALVE ON MY 1 BBL TORO. ID LIKE TO LOOK AT THEIR SYSTEM. WHICH RYOBI HAVE THE REED VALVES?
FARMER TED