25
PROBLEM POSSIBLE CAUSE SOLUTION
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
TROUBLESHOOTING
1. Clean or replace spark plug. Reset spark plug
gap. Refer to Spark Plug Replace ment earlier
in this manual.
2. Push prime r bulb until bulb is full of fuel. If bulb
does not fil l, pri mary fuel delivery system is
blocked. Contac t a servi ce de aler. I f pri mer
bulb fills, engine may be flooded, proceed to
next item.
3. Set the start lever to the START position. Squeeze
the trigger and pull the rope repeatedly until the
engine starts and runs.
NOTE: Depending on the severity of the flooding,
this may require numerous pulls of the rope.
1. Use fresh fuel and the co rrect 2-cycle lubricant
mix. (50:1).
2. Clean air fil ter scree n. Refer to Cl eaning Air
Filter Screen earlier i n this manual.
3. Contact a servicing dea ler.
4. Clean or replace spark plug. Reset spark plug
gap. Refer to Spark Plug Replace ment earlier
in this manual.
1. Turn idle speed screw clockwise to increase idle
speed. See Figure 32.
1. Lubricate s tring with silicone spray.
2. Install more string. Refer to the applicable string
replacement section in this manual.
3. Pull strings while alternatel y pressing down on
and releasing spool retainer.
4. Remove str ing from spool and rewind. Refe r to
the applicable string replacement section in this
manual.
5. Advance string a t full throttle.
Engine will not start
Engine does not re ach full
speed and emits excessi ve
smoke
Engine starts, runs, and ac-
celerates but will not idle
String will not advance
1. No spark.
2. No fuel.
3. Engine is flooded.
1. Incorrect lubricant/fuel mixture.
2. Air filter screen is dirty.
3. Spark arrestor screen is dirty.
4. Spark plug fouled.
1. Idle speed screw on carburetor
needs adjustment.
1. String is welded to itself.
2. Not enough string on spool.
3. String is worn too short.
4. String is tangled on spool.
5. Engine speed is too slow.
Fig. 32
IdLE SPEEd
ScREw
AIR fILTER
cOVER