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Honda GC160 Maintenance Information

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GC135
REGULAR SERVICE PERIOD (1)
Perform at every indicated month or operating
hour interval, whichever comes first.
ITEM
Check level
Engine oil
A
B
C
Change
Check
Air cleaner
Clean
D
Replace
Timing belt
E
Check
Check-adjust
Spark plug
F
Replace
Spark arrester
G
Clean
(applicable types)
Idle speed
H
Check-adjust
Valve clearance
I
J
K
Check-adjust
L
Combustion chamber
Clean
M
Fuel tank and filter
Clean
N
Fuel tube
Check
(1) For commercial use, log hours of operation to determine proper maintenance intervals.
(2) Change engine oil every 25 hours when used under heavy load or in high ambient temperature.
(3) Service more frequently when used in dusty areas.
(4) Check that there are no cracks or abnormal wear in the belt, and replace it if necessary.
(5) These items should be serviced by your servicing dealer, unless you have the proper tools and are mechanically proficient. Refer to Honda shop manual for servicing procedures.
(6) In Europe and other countries where the machinery directive 2006/42/EC is enforced, this cleaning should be done by your servicing dealer.
OIL FILLER CAP/DIPSTICK
A
UPPER LIMIT
LOWER LIMIT
Insert the dipstick in the oil filter neck, but do
not screw it in. Remove the dipstick and
check the oil level.
D
D
AIR CLEANER ELEMENT
C
Tap the element several times on a hard
surface to remove dirt, or blow
compressed air (not exceeding 207 kPa
<2.1 kgf/cm², 30 psi>) through the element
from the clean side that faces the engine.
GC160
GC190
First
Every
month
3 months
Each use
or
or
5 hrs.
25 hrs.
(3)
After every 250 hrs. (4)
After every 250 hrs.
Every 2 years (Replace if necessary)
B
OIL DRAIN
PLUG WASHER
OIL DRAIN
PLUG BOLT
CONTAINER
Drain the used engine oil while the engine is
warm. Warm oil drains quickly and completely.
E
TIMING BELT
D
Check that the belt is not worn or cracked,
and do not bend or twist the belt.
GS190

Maintenance Information

Every
Every
Every
6 months
year
2 years
or
or
or
50 hrs.
100 hrs.
250 hrs.
(2)
(5)
(6)
(5)
(5)
(5)
(5)
(5)
C
SAE Viscosity Grades
AMBIENT TEMPERATURE
API service category: SF or later
0.58 ℓ (0.61 US qt)
Engine oil capacity:
E
F
0.7 - 0.8 mm
GAP:
SIDE ELECTRODE
Measure the plug gap
with a wire-type feeler
gauge.
If necessary, adjust
the gap by bending
the side electrode.
Standard spark plug: BPR6ES (NGK)
SPARK
G
ARRESTER
SCREEN
WIRE
BRUSH
SPARK
ARRESTER
MUFFLER
(OPTIONAL PART)
PROTECTOR
I
ALIGNMENT MARKS
CAM
PULLEY
CYLINDER HEAD COVER MATING SURFACE
Set the piston at top dead center of the
compression stroke (both valves fully closed).
K
VALVE ADJUSTING
VALVE
SCREW
ADJUSTING
LOCK NUT
VALVE STEM
・To increase valve clearance, screw out.
・To decrease valve clearance, screw in.
M
K
FUEL TANK
Wash with solvent
to remove the
sediment, and
dry thoroughly before
installing.
FUEL STRAINER
Clean the strainer with nonflammable
solvent, and check to be sure the strainer
screen is undamaged.
H
THROTTLE STOP SCREW
Standard idle speed:
1,400
150
±
rpm
・On some applications the engine speed is
fixed and does not idle.
・The standard idle speed may be different
depending on the application.
Refer to the equipment manufacturer's
instructions for specific idle speed setting.
VALVE ADJUSTING WRENCH B
J
VALVE
ADJUSTING
LOCK NUT
VALVE
ADJUSTING
SCREW
FEELER GAUGE
Valve clearance:
0.15
mm ±
0.04
mm (IN)
0.20
0.04
mm ±
mm (EX)
L
CLEANING
BRUSH
Use thick
paper or
equivalent to
protect the
cylinder.
ELECTRIC DRILL
・Do not use excessive force to remove
carbon from the aluminum head.
・Do not allow the cleaning brush to contact
the cylinder wall.
FUEL TUBE
N
FUEL PUMP
FUEL
TANK TUBE
Check the fuel lines for deterioration, cracks,
or signs of leakage.
© Honda Motor Co., Ltd. 2009

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