Shindaiwa EB240S, Owner'S/Operator'S Manual

12

Is the engine
overheating?

Operator is overworking
the unit.

Carburetor air/fuel 
mixture is too lean.

Improper fuel ratio.

Fan, fan cover, cylinder
fins dirty or damaged.

Carbon deposits on 
piston or in the muffler.

Use lower throttle
setting.

Consult with an authorized 
servicing dealer.

Refill with clean fresh unleaded 
gasoline with a pump octane of 
87 or higher, mixed with 50:1 
Shindaiwa Premium 2-cycle mixing
oil or an equivalent high quality
2-cycle mixing oil. Re-start. 

Clean, repair or replace 
as necessary.

Consult with an authorized 
servicing dealer.

What To Check

Possible Cause

Remedy

Engine is rough
at all speeds. 
May also have
black smoke
and/or unburned
fuel at the
exhaust.

Clogged air filter 
element.

Loose or damaged
spark plug.

Air leakage or clogged
fuel line.

Water in the fuel.

Piston seizure.

Faulty carburetor and/or
diaphragm.

Clean or replace the air filter.

Tighten or replace the spark plug.
See page 9.

Repair or replace
filter and/or fuel line.

Drain and refill with clean fresh 
unleaded gasoline with a pump
octane of 87 or higher, mixed 
with 50:1 Shindaiwa Premium 
2-cycle mixing oil or an equiva-
lent high quality 2-cycle mixing
oil. Re-start.
Consult with an authorized 
servicing dealer.
Consult with an authorized 
servicing dealer.

Engine is
knocking.

Overheating condition.

Improper fuel.

Carbon deposits in the
combustion chamber.

Idle engine until cool; find
reason for overheat.

Check fuel octane rating;
check for presence of
alcohol in the fuel. Refuel as 
necessary. See page 6.

Consult with an authorized 
servicing dealer.

LOW POWER OUTPUT

TROUBLESHOOTING GUIDE (continued)

English

GUÍA DE LOCALIZACIÓN DE F

ALLAS (continuación)

12

9.

6.

BAJA POTENCIA DE SALIDA

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