Ryobi RFT254 User Manual page 229

TROUBLESHOOTING
Problem
Engine will not start.
Engine does not reach full speed
Engine starts, runs, and
accelerates but will not idle.
Grass wraps around the
trimmer head assembly and the
attachment shaft.
Lubricant drips from silencer.
English
Possible cause
No spark.
No fuel.
Starter rope now harder to pull than
when new.
Old fuel.
Spark arrestor screen is dirty.
Idle speed screw on carburetor
requires adjustment.
Operating the product at partial throttle.
1. Operating the product at partial
throttle.
Solution
The spark plug may be damaged, remove it and check
for dirt and cracks. Replace with a new spark plug.
Push primer bulb until bulb is full of fuel. If bulb does
Remove spark plug, turn blower so spark plug hole is
aimed at the ground. Adjust the choke lever to "
" position and pull starter cord 10-15 times. This will
before restarting. Pull starter 3 times with choke lever
at " ". If engine does not start, rotate choke lever to
" " position and repeat normal starting procedure. If
engine still fails to start, repeat procedure with a new
spark plug.
over 30 days old may prevent the unit from starting.
earlier in this manual.
Operate the product at full throttle.
1. Operate the product at full throttle.
Maintenance section.