Troubleshooting - Ryobi RY25CSEMC Operator's Manual

PROBLEM
Engine fails to start
Engine does not reach full speed and
emits excessive smoke
Engine starts, runs, and accelerates
but will not idle
Engine lacks power
If problem persists after trying the above solutions, contact customer service or a qualified service center for assistance.
NOTICE:
As the equipment owner, you are responsible for the performance of the required maintenance listed in the Maintenance
section. It is recommended that you retain all receipts covering maintenance on your equipment. Neglecting or failing
to perform the required maintenance may increase emissions, decrease fuel efficiency, degrade performance, cause
irreversible engine damage and/or void your warranty.

TROUBLESHOOTING

POSSIBLE CAUSE
No spark.
No fuel.
Engine is flooded.
Incorrect lubricant/fuel mixture.
Air filter screen is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
Idle speed screw on carburetor needs
adjustment.
Air filter clogged.
13 - English
SOLUTION
Clean or replace spark plug. Reset
spark plug gap. Refer to Spark Plug
Replacement earlier in this manual.
Push primer bulb until bulb is full of fuel.
If bulb does not fill, primary fuel delivery
system may be partially obstructed, or if
bulb remains compressed, the fuel filter
may be clogged. Contact a qualified
service dealer. If primer bulb fills, engine
may be flooded, proceed to next item.
Return the CHOKE lever to the RUN
position, squeeze the trigger completely,
and pull the rope numerous times to
allow the plug to dry.
Use fresh fuel and the correct 2-cycle
lubricant mix. (50:1).
Clean air filter screen. Refer to Clean-
ing the Air Filter earlier in this manual.
Contact a qualified service dealer.
Clean or replace spark plug. Reset spark
plug gap. Refer to Spark Plug Replace-
ment earlier in this manual.
Turn idle speed screw clockwise to
increase idle speed. See Figure 11.
Clean air filter. Refer to Cleaning the
Air Filter earlier in this manual.