Toro 51945, Operator'S Manual

19

Engine will not start

Engine does not reach full speed 

and emits excessive smoke

Oil drips from muffler

1.  Remove the spark plug. Reattach the spark plug 

cap and lay the spark plug on the metal cylinder. 

Pull the starter cord and watch for a spark at the 

spark plug tip. If there is no spark, repeat the 

test with a new spark plug.

2.  Push primer bulb until the bulb is full of fuel. If 

the bulb does not fill, the primary fuel delivery 

system is blocked. If the primer bulb fills, the 

engine may be flooded. (See next item.)

3.  Remove the spark plug. Turn the product so 

that the spark plug hole is aimed at the ground. 

Make sure the choke lever is set to 

RUN

 and 

pull the starter cord 10 to 14 times. This clears 

excess fuel from the engine. Clean and reinstall 

the spark plug. With the trigger fully depressed, 

pull the starter cord 3 times. If the engine does 

not start, set the choke lever to 

FULL

 and fol-

low normal starting instructions. If the engine 

still fails to start, repeat the procedure with a 

new spark plug.

4.  Contact an authorized service dealer.

1.  Use fresh fuel and the correct 2-cycle oil mix.

2.  Clean the air filter.

3.  Clean the spark arrester.

1.  Operate the product at full throttle.
2.  Use fresh fuel and the correct 2-cycle oil mix.

3.  Clean the air filter.

1.  No spark
2.  No fuel
3.  Flooded engine
4.  Starter cord pulls harder now 

then when new

1.  Check oil fuel mixture

2.  Air filter is dirty

3.  Spark arrestor screen is dirty

1.  Operating the product at part 

throttle

2.  Check oil/fuel mixture

3.  Air filter is dirty 

Problem 

Possible Cause 

Solution

Troubleshooting

Troubleshooting