en
21
TROUBLE SHOOTING
Using Trouble shooting Chart
WARNING: Always stop unit and disconnect spark plug before performing all of the recommended
remedies below except remedies that require operation of the unit.
When you have checked all the possible causes listed and you are still experiencing the problem, see your
Servicing Dealer. If you are experiencing a problem that is not listed in this chart, see your Servicing Dealer
for service.
PROBLEM POSSIBLE CAUSE SOLUTION
Engine will not start or will run only a
few seconds after starting.
(Make sure Ignition switch is in
start position “I”)
1. No spark
2. Flooded engine.
1. Check Spark. Remove air filter
cover. Remove spark plug from
cylinder. Reattach the spark plug
wire and lay spark plug on top of
cylinder. Pull the starter rope and
watch for spark at spark plug tip.
If there is no spark, repeat test
with a new spark plug (RCJ-7Y
- BPMR6A).
2. With the ignition switch off,
remove spark plug. Pull starter
cord 15 to 20 times. This will
clear excess fuel from engine.
Clean and reinstall spark plug. Pull
starter three times. If engine does
not start, repeat normal starting
procedure. If engine still fails to
start, repeat procedure with a new
spark plug.
Engine starts but will not accelerate
properly.
Carburetor requires adjustment. * Contact a Servicing Dealer for
carburetor adjustment.
Engine starts but will not run properly
at high speed.
Carburetor requires adjustment. * Contact a Servicing Dealer for
carburetor adjustment.
Engine does not reach full speed
and / or emits excessive smoke
1. Check oil fuel mixture.
2. Air filter dirty.
3. Spark arrester.
4. Carburetor requires adjustment.
1. Use fresh fuel and the correct
2-cycle oil mix.
2. Clean per instruction in
Maintenance-Air Filter Section.
3. Clean per instructions in
Maintenance-Muffler Section.
4. * Contact a Servicing Dealer for
carburetor adjustment.
Engine starts, runs, and accelerates
but will not idle.
Carburetor requires adjustment. Turn idle speed screw “T” (Fig. 43,
pag. 19) clockwise to increase idle
speed. (If chain turns at idle, turn idle
speed screw “T” counterclockwise
to decrease speed); see Operation-
Carburetor Adjustment.
Engine starts and runs, but low air
flow
1. Fan grid is obstructed.
2. Fan damaged.
1. Clean fan grid.
2. Contact a servicing dealer.
*Note: This engine complies with EPA (Environmental Protection Agency) regulations which require exhaust
emission control. If your unit exhibits specific performance problems that can not be corrected by the Trouble
shooting Section, the unit should be taken to a Servicing Dealer for repair.
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