Honda GX630 Owner's Manual page 13

TAKING CARE OF UNEXPECTED PROBLEMS
ENGINE WILL NOT START
Possible Cause
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.
Stale fuel; engine stored
without treating or draining
gasoline, or refueled with stale
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.
ENGINE LACKS POWER
Possible Cause
Filter element(s) restricted.
Stale fuel; engine stored
without treating or draining
gasoline, or refueled with stale
gasoline.
Fuel filter restricted, carburetor
malfunction, ignition
malfunction, valves stuck, etc.
Correction
Recharge battery.
Replace fuse.
Move lever to OPEN or ON
position.
Move knob to CLOSED position
unless the engine is warm
(p. 4).
Turn engine switch to ON
position (p. 5).
Fill with the recommended oil
to the proper level (p. 8).
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
(p. 10). Start engine with
throttle lever in MAX. position
(p. 6).
Take engine to your servicing
dealer, or refer to shop manual.
Correction
Clean or replace filter
element(s) (p. 9).
Drain fuel tank and carburetor
(p. 12). Refuel with fresh
gasoline (p. 7).
Take engine to your servicing
dealer, or refer to shop manual.
FUSE REPLACEMENT
The electric starter relay circuit and battery charging circuit are
protected by a 30-ampere fuse. If the fuse burns out, the electric
starter will not operate.
1. Disconnect the wire connector, and remove the wire harnesses
from the wire harness band.
WIRE CONNECTOR
2. Remove the 6×8 mm special screw from the rear cover of the
engine switch box, and remove the rear cover.
3. Remove the fuse cover, and inspect the fuse.
30 A FUSE
If the fuse is burnt out, remove the fuse cover, then pull out and
discard the burnt-out fuse. Install a new 30-ampere fuse, and
reinstall the fuse cover.
Never use a fuse with a rating greater than 30 amperes. Serious
damage to the electrical system or a fire could result.
4. Reinstall the rear cover. Install the 6×8 mm special 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 Honda servicing dealer for repair.
ENGLISH
WIRE HARNESSES
WIRE HARNESS
BAND
SWITCH BOX REAR COVER
6×8 mm SPECIAL SCREW
FUSE COVER
13