Shindaiwa 80775 User Manual
12
ENGINE DOES NOT START
Troubleshooting Guide
Does the engine crank?
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Fluid in the crankcase.
Internal damage.
Consult with an authorized servicing dealer.
Consult with an authorized servicing dealer.
Consult with an authorized servicing dealer.
NO
Good compression?
Loose spark plug.
Excess wear on cylinder,
piston, rings.
Excess wear on cylinder,
piston, rings.
Tighten and re-test.
NO
YES
Does the tank contain
fresh fuel of the proper
grade?
fresh fuel of the proper
grade?
Refill with fresh, clean unleaded gasoline with a pump octane
of 87 or higher mixed with a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD and/or JASO FC classified oils at
50:1 gasoline/oil ratio.
of 87 or higher mixed with a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD and/or JASO FC classified oils at
50:1 gasoline/oil ratio.
Fuel incorrect, stale, or
contaminated; mixture
incorrect.
contaminated; mixture
incorrect.
NO
YES
Is fuel visible and moving
in the return line when
priming?
in the return line when
priming?
Check for clogged fuel
filter and/or vent.
filter and/or vent.
Clean as required;
restart.
restart.
NO
Is there spark at the
spark plug wire terminal?
spark plug wire terminal?
The ignition switch is in “O”
(OFF) position.
Shorted ignition ground.
Faulty ignition unit.
(OFF) position.
Shorted ignition ground.
Faulty ignition unit.
Move switch to “I” (ON)
position and re-start.
position and re-start.
NO
YES
YES
Check the spark plug.
If the plug is wet, excess
fuel may be in the cylinder.
fuel may be in the cylinder.
The plug is fouled
or improperly gapped.
or improperly gapped.
The plug is damaged internally
or of the wrong size.
or of the wrong size.
Crank the engine with the plug removed, reinstall the
spark plug, and re-start.
spark plug, and re-start.
Clean and re-gap the spark plug to 0.024 inch (0.6 mm). Re-start.
Replace the spark plug with a Champion CJ8Y or equivalent spark
plug of the correct heat range. Adjust the spark plug electrode gap
to 0.024-inch (0.6 mm).
plug of the correct heat range. Adjust the spark plug electrode gap
to 0.024-inch (0.6 mm).
YES
What To Check
Possible Cause
Remedy
ENGLISH
Recomendación
Consulte con su dirtribuidor Shindaiwa.
Apriéte y vuelva a encender el motor.
Consulte con su distribuidor Shindaiwa.
Vuelva a encender el motor.
Vuelva a encender el motor.
Mueva al la posición de (I) encendido y
vuelva a encender el motor.
Consulte con su distribuidor Shindiawa.
Haga girar el motor sin la bujía puesta.
Vuelva a poner la bujía y vuelva a
encender el motor.
Limpie y calibre la bujía a 0.024pulg.
(0.6 mm). Vuelva a encender el motor.
Cambie la bujía. CJ8Y.
Vuelva encender el motor.
Que Revisar
¿El motor gira?
¿Buena compresión?
¿Tiene el tanque combustible
adecuado y limpio?
¿Se ve combustible fluir y
circular por la manguera?
¿Tiene buena Chispa en la
bujia?
Revise la bujía.
Posible Causa
Arrancador defectuoso.
Fluido en el cárter.
Averías internas.
Bujía floja.
Desgastes excesivo en cilindro, pistón o
los anillos.
Llene con gasolina mezclada con aceite
(Shindaiwa Premium One ISO-L-EGD or
JASO FC class 2-cycle mixing oil;
proporción 50:1.)
Revise las manguera de alimentación y el
filtro.
Limpie/cambie como sea necesario.
El interruptor en la posición (O) apagado.
Conexión a tierra defectiva.
Bobina defectiva.
Si la bujía esta húmeda, hay exceso de
combustible en el cilindro.
Los electrodos pueden estar llenos de
carbón o húmedos.
La bujía está defectuosa.
SI
SI
SI
SI
SI
NO
NO
NO
NO
NO
NO
El Motor No Enciende
12
Guía Diagnóstico