TROUBLESHOOTING
Problem
Engine will not start (Make
sure ignition switch is in
start position "I").
Engine starts but will not
accelerate properly.
Engine starts, then dies.
Engine starts but will not run
roperly at high speed.
Engine does not reach
full speed and/or emits
excessive smoke.
Engine starts, runs, and
accelerates but will not idle.
Bar and chain running hot
and smoking.
English (Original instructions)
Possible cause
No spark.
Flooded engine.
Carburettor requires "L" (Low
jet) adjustment.
Carburettor requires "L" (Low
jet) adjustment.
Carburettor requires "H" (High
jet) adjustment.
Lubricant/fuel mixture incorrect.
Air filter dirty.
Spark arrester screen dirty.
Carburettor requires "H" (High
jet) adjustment.
Carburettor requires adjustment.
Chain lubricant tank empty.
Chain tension too tight.
The lubricant pump, bar, or
chain may be damaged.
38
Solution
Clean and reinstall spark plug. Reset spark plug
gap.
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 the engine does not start, set the choke
lever to "FULL" position and repeat the normal
starting procedure. If engine still fails to start,
repeat procedure with a new spark plug.
Contact a Ryobi service dealer for carburettor
adjustment.
Contact a Ryobi service dealer for carburettor
adjustment.
Contact a Ryobi service dealer for carburettor
adjustment.
Use fresh fuel and the correct 2-stroke lubricant
mix ratio.
Clean air filter.
Clean spark arrester screen.
Contact a Ryobi service dealer for carburettor
adjustment.
Turn idling speed screw "T" clockwise to increase
idling speed.
Fill the lubricant tank every time you fuel the
engine.
Check chain tension for overtight condition. Make
sure that the chain tension is correctly adjusted
as specified in these instructions.
Run at half throttle 30 to 45 seconds. Stop saw
and check for lubricant dripping from guide bar. If
lubricant is present, the chain may be dull or bar
may be damaged. If no lubricant is on the guide
bar, contact a Ryobi service dealer.