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Taking care of unexpected problems, Engine will not start, Engine lacks power – HONDA GX670 User Manual

Page 13: Fuse replacement, Taking care of, Unexpected problems

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ENGLISH

TAKING CARE OF UNEXPECTED PROBLEMS

ENGINE WILL
NOT START

Possible Cause

Correction

FUSE REPLACEMENT

ENGINE LACKS
POWER

Possible Cause

Correction

FUSE COVER

SWITCH BOX COVER

6

12 mm

SPECIAL SCREW

25 A FUSE

13

The electric starter relay circuit and battery charging circuit are
protected by a 25-ampere fuse. If the fuse burns out, the electric
starter will not operate. The engine can be started manually if the
fuse burns out, but running the engine will not charge the battery.

Remove the 6

12 mm screw from the rear cover of the engine

switch box.

Remove the fuse cover, and inspect the fuse.

If the fuse is burnt out, remove the fuse cover, then pull out and
discard the burnt-out fuse. Install a new 25-ampere fuse, and
reinstall the fuse cover.

Never use a fuse with a rating greater than 25 amperes. Serious
damage to the electrical system or a fire could result.

Reinstall the rear cover. Install the 6

12 mm screw and tighten

it securely.

Frequent fuse failure usually indicates a short circuit or an
overload in the electrical system. If the fuse burns out frequently,
take the engine to a servicing Honda dealer for repair.

Electric
starting:
Check battery
and fuse.
Check control
positions.

Check engine
oil level.

Check fuel.

Remove and
inspect spark
plugs.

Take engine to
an authorized
Honda
servicing
dealer, or refer
to shop
manual.

Battery
discharged.

Fuse burnt out.
Fuel valve
CLOSED or OFF.
(If equipped)
Choke open.

Engine switch
OFF.
Engine oil level
low (Oil Alert
stops engine).

Out of fuel.
Bad fuel; engine
stored without
treating or
draining
gasoline, or
refueled with
bad gasoline.
Spark plugs
faulty, fouled, or
improperly
gapped.
Spark plugs wet
with fuel
(flooded engine).

Fuel filter
restricted,
carburetor
malfunction,
ignition
malfunction,
valves stuck, etc.

Recharge battery.

Replace fuse.
Move lever to
OPEN or ON
position.
Move lever to
CLOSED position
unless the engine
is warm.
Turn engine switch
to ON position.
Fill with the
recommended oil
to the proper level
(p. 7).
Refuel (p. 7).
Drain fuel tank and
carburetor (p. 12).
Refuel with fresh
gasoline(p. 7).

Gap, or replace
spark plugs (p. 10).

Dry and reinstall
spark plugs. Start
engine with
throttle lever in
FAST position.
Replace or repair
faulty components
as necessary.

Check air filter.

Check fuel.

Take engine to
an authorized
Honda
servicing
dealer, or refer
to shop
manual.

Filter element(s)
restricted.

Bad fuel; engine
stored without
treating or
draining
gasoline, or
refueled with
bad gasoline.
Fuel filter
restricted,
carburetor
malfunction,
ignition
malfunction,
valves stuck, etc.

Clean or replace
filter element(s)
(p. 9).
Drain fuel tank and
carburetor (p. 12).
Refuel with fresh
gasoline (p. 7).

Replace or repair
faulty components
as necessary.

1.

2.

3.

4.

5.

1.

2.

3.

6.

1.

2.

3.

05/03/22 19:39:28 32Z6C600_013