Zenoah BK2650DL-Hb Manuale Utente

• When the symptoms in the left column do not improve after taking the measures in the right column, please contact the shop 

where you bought this product.

• For the measures marked with 

✩, please buy ZENOAH’s genuine parts at the shop where you bought this product.

The engine does not start.

The engine does not stop even 
though you operate the stop switch.

The motor rotates, but does not 
crank.

The motor does not rotate.

The engine does not accelerate.

The engine stalls when the throttle 
is returned to its original position.

The engine rotation speed changes.

Abnormal vibration

Deterioration of fuel consumption

The battery cannot be charged. 
(The lamp for the charger does not 
turn on.)

While the charger is in operation, 
a strange sound, offensive smell 
or smoke comes out.

The charger or the battery 
becomes hot.

• Bad fuel (different quality, deterioration)

• Excessive sucking of fuel

• Clogging of the muffler exhaust vent

• Contamination of the spark plug electrodes, 

Short-circuit or breaking of a wire

• The connection of the switch cord might be wrong.

• The switch might be wrong.

• The voltage of the battery might be inadequate.

• The engine might have burned out.

• A foreign substance might be caught in 

the rotating mechanism of the motor.

• Excessive carbon might have built up.

• The voltage of the battery might be inadequate.

• The battery might have reached its life span.

• The connection of the connector and 

wires might be wrong.

• A wire might be disconnected.

• Bad fuel (different quality, deterioration)

• Clogging of the muffler exhaust vent

• The idling revolution speed is too low.

• Clogging of the fuel filter

• Deformation or damage of the blade

• Clogging of the air cleaner

• Blunt blade

• Bad lubrication of the flexible shaft

• The power-supply plug or the jack for the 

AC adapter might not be securely inserted.

• The battery might not be securely installed 

in the charger.

• The battery or the charger might be defective.

• The battery or the charger might be defective

• Replace it with normal fuel (page 31).

• Open the choke, open the throttle full 

open, and pull out the rope repeatedly 
(page 33,34).

• Clean the muffler (page 47).

• Clean the electrodes or replace the plug 

(page 45

✩).

• Connect the switch cord firmly.

• Replace the switch.

• Charge the battery (page 19~22).

• Consult the shop where you bought your unit.

• Consult the shop where you bought your unit.

• Consult the shop where you bought your unit.

• Charge the battery (page 19~22).

• Replace the battery.

• Connect the connector and wires firmly.

• Replace the wire.

• Replace it with normal fuel (page 31).

• Clean the muffler (page 47).

• Readjust the idling adjustment screw 

(page 48).

• Clean or replace the fuel filter (page 44

✩).

• Replace the blade (page 27

✩).

• Clean the air cleaner (page 44).

• Replace the blade (page 27

✩).

• Supply grease (page 46).

• Insert the plug or the jack securely (page 

19~22).

• Install the battery in the charger securely 

(page 19,20).

• Replace the battery (page 19~22

✩).

• Replace the battery (page 19~22

✩).