1
0
SIMPLE STEPS TO REMEMBER WHEN
CONVERTING YOUR LAWN MOWER
FOR MULCHING -
1. Rear door closed.
2
. Mulcher door closed.
FOR REAR BAGGING -
1. Grass catcher installed.
2
. Mulcher door closed.
FOR SIDE DISCHARGING -
1. Rear door closed.
2
. Discharge defl ector installed.
CAUTION:
Do not run your lawn mow-
er with out rear door closed or ap proved
grass catcher in place. Never at tempt to
op er ate the lawn mow er with the rear door
re moved or propped open.
TO EMPTY GRASS CATCHER
1. Lift up on grass catcher using the
frame han dle.
2
. Remove grass catcher with clippings
from under lawn mower han dle.
3. Empty clippings from bag.
NOTE
: Do not drag the bag when empty-
ing; it will cause unnecessary wear.
CAUTION:
DO NOT overfi ll engine with
oil, or it will smoke on startup.
1. Be sure lawnmower is level.
2
. Remove oil dipstick from oil fi ll spout.
3. You recieve a container of oil with the
unit. Slowly pour the entire container
down the oil fi ll spout into the engine.
4
. Insert and tighten dipstick.
IMPORTANT:
• Check oil level before each use. Add oil
if needed. Fill to full line on dipstick.
• Change the oil after every
2
5 hours of
operation or each season. You may
need to change the oil more often
under dusty, dirty conditions. See “TO
CHANGE ENGINE OIL” in the Mainte-
nance section of this manual.
ADD GASOLINE
• Fill fuel tank to bottom of tank fi ller neck.
Do not overfi ll. Use fresh, clean, regular
unleaded gasoline with a minimum of
8
7 octane. Do not mix oil with gasoline.
Purchase fuel in quan ti ties that can be
used within 3
0
days to assure fuel fresh-
ness.
CAUTION:
Wipe off any spilled oil or
fuel. Do not store, spill or use gasoline
near an open fl ame.
CAUTION
: Alcohol blended fuels
(called gasohol or using ethanol or metha-
nol) can attract moisture which leads to
separation and for ma tion of acids during
storage. Acidic gas can damage the fuel
system of an engine while in storage. To
avoid engine problems, the fuel system
should be emptied before stor age of 3
0
days or longer. Empty the gas tank, start
the engine and let it run until the fuel lines
and carburetor are empty. Use fresh fuel
next season. See Storage In struc tions for
additional information. Never use engine
or carburetor cleaner products in the fuel
tank or permanent damage may occur.
Grass
catcher
frame
handle
Oil fi ll cap /
dipstick
Gasoline
fi ller cap
Lower
mark
Upper
mark
MOWER IS NOW READY
FOR DISCHARGING
OPERATION
BEFORE STARTING ENGINE
ADD OIL
Your lawnmower is shipped without oil in
the engine. For type and grade of oil to
use, see “EN GINE” in the Maintenance
section of this manual.
2
3
CYLINDER BARREL
KEY PART
NO. NO.
DESCRIPTION
1 1
2000
-Z
0
L-
40
6 Cylinder
Assembly
1
2000
-Z
0
L-
840
Cylinder
Assembly
3 1
2
31
0
-Z
0
J-
000
Cover, Cylinder Head
1
2
311-ZL
8
-D
00
Cover,
Head
1
2
311-ZL
8
-
000
Cover,
Head
4
1
2
355-ZL
8
-
000
Cover,
Breather
(Breather
Valve
Assembly)
5
900
13-
88
3-
000
Bolt, Flange (#6 x 1
2
)
(CT
200
)
6
900
1
4
-
9
5
2
-
000
Bolt, Flange (#6 x 1
4
)
(CT
200
)
7
9
1
20
1-ZL
8
-
00
3 Oil Seal (
2
5.
4
x 6
2
x 6)
8
980
7
9
-55
84
6
Spark Plug (BPR5ES)
(NGK)
1
0
1
2209
-ZM
0
-
00
3 Seal, Valve Stem
11 1
4
711-ZL
8
-
000
Valve,
Intake
(Technostar)
1
4
711-Z
0
J-
000
Valve, Intake (Rocknel)
1
4
711-Z
0
J-
800
Valve,
Intake
1
2
1
4
7
2
1-ZL
8
-
000
Valve,
Exhaust
13 1
4
751-ZL
8
-
000
Spring,
Valve
1
4
1
4
771-Z
0
J-
000
Retainer, Valve Spring
CARBURETOR
KEY PART
NO. NO.
DESCRIPTION
1 16
0
1
0
-
88
3-
0
15 Gasket
Set
2
16
0
13-ZL1-
00
3 Float
Set
3 16
0
15-Z
0
L-
88
1 Chamber Set, Float
5 16
028
-ZE
0
-
00
5 Screw
Set
16
028
-ZK7-S
9
1 Screw Set
7 161
00
-Z
0
L-
8
5
2
Carburetor
Assembly
(BB6
2
Z B)
8
16155-ZM
0
-
0
13 Valve, Float
9
16166-ZM
0
-
00
3 Nozzle, Main
1
0
16
2
11-ZL
8
-
000
Insulator,
Carburetor
11 16
2
1
2
-ZL
8
-
000
Gasket,
Insulator
13 16
228
-ZL
8
-
000
Gasket,
Carburetor
15
9
35
00
-
0
5
00
6-
0
H Screw, Pan (#5 x 6)
16
99
1
0
1-1
24
-
0
6
00
Jet, Main (#6
0
)
99
1
0
1-1
24
-
0
6
20
Jet, Main (#6
2
)
99
1
0
1-1
24
-
0
65
0
Jet, Main (#65)
2
6 16
9
51-Z
0
L-
000
Guide,
Air
CONTROL
KEY PART
NO. NO.
DESCRIPTION
1 16551-ZM
0
-
0
1
0
Arm, Governor
2
16555-Z
0
L-
80
1 Rod,
Governor
3 16561-Z
0
L-
000
Spring,
Governor
4
1656
2
-ZM
0
-
000
Spring, Throttle Return
1
0
900
15-ZE5-
0
1
0
Bolt,
Governor
Arm
13
940
5
0
-
0
6
000
Nut, Flange (6 mm)
15
9
3
892
-
040
1
2
-
00
Screw, Washer Head
(#
4
x 1
2
)
16
94
1
0
3-
04000
Washer, Plain (
4
mm)
CRANKSHAFT
KEY PART
NO. NO.
DESCRIPTION
3 1331
0
-ZM
0
-61
0
Crankshaft
5
90402
-ZL
8
-
000
Washer,
Thrust
RECOIL STARTER
KEY PART
NO. NO.
DESCRIPTION
1
28400
-Z
0
L-V
20
ZA Starter Assembly,
Recoil, “NH1” (Long Rope)
(Black)
8
284
61-ZL
8
-
00
3 Grip, Recoil Starter
9
284
6
2
-Z
0
L-V
20
Rope, Recoil Starter,
“Long
Type”
(Black)
11
9020
1-ZM
0
-
000
Nut, Flange (6 mm)
MODEL NUMBER GCV160-LAOS3B
HONDA 4-CYCLE ENGINE
