35
English (Original Instructions)
TROUBLESHOOTING
Problem
Possible cause
Solution
Engine will not start (Make
sure ignition switch is in
start position “I”).
No spark.
The spark plug could be cracked or damaged.
Replace the old spark plug with a new one and
try to start again. If engine will still not start,
return the product to a Ryobi service dealer for
further checking.
Flooded engine.
With the ignition switch off, remove spark plug.
Move choke lever to run position (pushed in
completely) and pull starter cord 15 to 20 times.
This will clear excess fuel from engine. Clean
and reinstall spark plug. Set ignition switch to run
(I) position. Push and fully release primer bulb 10
times. Pull starter three times with choke lever at
run. If engine does not start, move choke lever
to choke and repeat normal starting procedure. If
engine still fails to start, repeat procedure with a
new spark plug.
Engine starts but will not
accelerate properly.
Carburettor requires “L” (Low
jet) adjustment.
Contact a Ryobi service dealer for carburettor
adjustment.
Engine starts but will not run
roperly at high speed.
Carburettor requires “H” (High
jet) adjustment.
Contact a Ryobi service dealer for carburettor
adjustment.
Engine does not reach
full speed and/or emits
excessive smoke.
Check lubricant fuel mixture.
Use fresh fuel and the correct 2-stroke lubricant
mix ratio.
Air filter dirty.
Clean air filter. Refer to "Maintenance – cleaning
the air filter” earlier in this manual.
Spark arrester screen dirty.
Clean spark arrester screen. Refer to
“Maintenance – cleaning the spark arresting
silencer” earlier in this manual.
Carburettor requires “H” (High
jet) adjustment.
Contact a Ryobi service dealer for carburettor
adjustment.
Engine starts, runs, and
accelerates but will not idle.
Carburettor requires adjustment.
Turn idling speed screw “T” clockwise to increase
idling speed. If chain turns at idle, turn idling
speed screw “T” anticlockwise to decrease
speed. Wear protective equipment and observe
all safety instructions.
Engine starts and runs, but
chain is not rotating.
Chain lubricant tank empty. That
fuel tank is filled.
Lubricant tank should be filled every time.
Check chain tension for
overtight condition.
Tension chain per instructions in “Maintenance –
adjusting the chain tension” earlier in this manual.
