Ryobi
27 May 03
Ryobi 31 2 ring piston; turned flywheel; reed valve stop .125"; electric junction box muffler; run time less than 1gallon fuel
Dyna Thrust 18-8 5940
MAS Classic Blk 16-8 6600
APC 16-8 7620
disassembled cleaned all screw holes and bolts, made .005" brass exhaust gasket. LOCKTITE everything.