Maintenance; Every 20/50/100/300 Hrs. Operating; Adjust Valve Clearance; Adjust Carburetor Screws - Honda G300 Owner's Manual

First
20
Hrs. operating
I
I
CHANGE ENGINE OIL ANLmDUCI'ION GEAR OIL
I
~
with a lever.
-
.~
D
,
t
Wash "D" and "E" in cleaning
solvent. After drying, refill with
mark.
clean en-he oil up to oil level
Every
50
Hr
*
Wash part "A" (element) in clean-
ing solvent. After drying, soak in
oil and squeeze out the excess.
'S.
operating
CLEAN
Clean more frequently if operating in
B
Every
100
Hrs. operating
CHANGE ENGINE OIL CLEAN FUEL STRAINER
0
*Wash removed parts
in solvent, dry them
: .
'
' .
.->
thoroughly and in-
stall securely. Turn
the fuel valve ON
and check for leaks.
..
I
.
.-
._.
Every
300
Hrs. operating
*
Check fuel line for cracks or leaks. Replace,
if necessary.
AIRCLEANER ELEMENT
a dusty area.
*Remove dust from paper element "B"
by applying compressed air from inside
of the element or tapping the case
lightly. If the element is excessively
dirty replace or wash it in liquid
water is clear. Dry it thoroughly by
detergent and water and flush until
applying compressed air before install-
Ing.
*Wash the foam element in "C" liquid
detergent and water and flush until
water is clear. Dry it thoroughly by
applying compressed air. After drying,
soak in o i l and saueeze out the excess.
CLEAN SPARK PLUG AND CHECK GAP
(.024
-
.028 i n )
0.6
-
0.7
mm
Use NGK B 4 H , BR4HS or
ND W14F-U, W14FR-U
CDI type
0 . 9
-
1.0 mm
(.035
-
.039 in)
Use NGK BP4HS-IO
BPR4HS-10 or, ND W 14FP-
ULIO, W14FPR-ULIO
*
Do not use gasoline or low flash point solvents for cleaning. They are flammable
and
explosive under certain conditions.
ADJUST IGNITION TIMING
f
Adjust contact breaker points
so
that they
just start t o open when the
"F"
mark on the
flywheel a l i g n s with the mark on crankcase.
t
IGNITION TIMING:
20
BTDC.
BREAKER
CONTACT
ADJUST
VALVE CLEARANCE ADJUST CARBURETOR SCREWS
t
Measure at TDC on compression stroke
t
Start the engine and adjust idle speed by CarDuretor with pilot
"Iew
STANDARD:
when engine is cold. turning the throttle'stop Screw.
1) Tighten the pilot screw until it bottoms
lightly, then back it off the number of turns
shown below:
IN 0.08
-
0.16 n LO03
-
,006 in)
EX
0.11
-
0.19 mm
LO04
-
,007 in)
G300 I,"% turns
G400 2 turns
t
If the clearance is less than the standard
limit, grind valve stem o r replace valve.
2) Adjust idle speed as outlined at left.
THROTTLE STOP SCREW
ASSY
The CDI
Type does not M A I ~ J E T