Service Manual

Install Piston/Connecting Rod And Cylinder To
Crankcase, Install Spark Plug
1. If necessary, install the piston ring onto the
piston. Make sure the ring end gap is
located over the anti-rotation pin in the
piston ring groove.
2. Lubricate the piston and piston ring with
2-Cycle engine oil. Compress the piston ring
and insert the piston into the cylinder.
For Trimmers, Cultivators, and Models 280,
300BV, 310, And 310BV Blowers and
Blower/Vacs— Position the piston ring anti-
rotation pin/end gap so it faces away from the ex-
haust port of cylinder.
ENGINE REASSEMBLY
2.6089.093
2.6089.107
2.6089.106
Exhaust Port
Piston Ring
Anti-rotation
Pin
4
REASSEMBLY
4-5