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UK
PROBLEM POSSIBLE CAUSE SOLUTION
Engine will not start.
(Make sure ignition switch
is in start position “I”.)
Engine starts but will not
accelerate properly.
Engine starts but will not
run properly at high speed.
Engine does not reach full
speed and/or emits
excessive smoke.
1. No spark.
2. Flooded engine.
Carburettor requires “L” (Low jet)
adjustment.
Carburettor requires “H” (High jet)
adjustment.
1. Check oil fuel mixture.
2. Air filter dirty.
3. Spark arrester screen dirty.
4. Carburettor requires “H”
(High jet) adjustment.
1. Check spark. Remove air filter cover. Remove sparking
plug from cylinder. Reattach the sparking plug wire and
lay sparking plug on top of cylinder with the metal part
of plug touching the cylinder. Pull the starter rope and
watch for spark at sparking plug tip. If there is no spark,
repeat test with a new sparking plug.
2. With the ignition switch off, remove sparking 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 sparking plug.
Set ignition switch to run (I) position. Push and fully
release primer bulb 7 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
sparking plug.
Contact a Ryobi service dealer for carburettor adjustment.
Contact a Ryobi service dealer for carburettor adjustment.
1. Use fresh fuel and the correct 2-cycle oil mix ratio.
2. Clean air filter. Refer to “Maintenance – Cleaning the
Air Filter” earlier in this manual.
3. Clean spark arrester screen. Refer to “Maintenance –
Cleaning the Spark Arresting Silencer” earlier in this
manual.
4. Contact a Ryobi service dealer for carburettor adjustment.
STORING THE CHAINSAW
(1 MONTH OR LONGER)
1. Drain all fuel from tank into a container approved for petrol.
2. Run the engine until it stops. This will remove all fuel-oil mix
that could become stale and leave varnish and gum in the
fuel system.
3. Drain all bar and chain oil from tank into a container
approved for oil.
4. Clean all foreign material from the saw.
5. Store it in a well-ventilated place that is inaccessible to
children.
NOTE: Keep away from corrosive agents such as garden
chemicals and de-icing salts.
Abide by all government and local regulations for the safe
storage and handling of petrol. Excess fuel should be used in
other 2-cycle engine powered equipment.
TROUBLESHOOTING
RECOMMENDED BAR AND CHAIN COMBINATIONS FOR 0.375 LOW PROFILE 0.050 GAUGE
Length of Bar Guide Bar Part Number Chain Part Number
356 mm (14 in.) 984313001 H1N7252A4
BAR AND CHAIN COMBINATIONS
MAINTENANCE