
PART III INSPECTION AND SERVICE
■PERIODIC INSPECTION AND SERVICE OF ENGINE
1
Change of engine oil
○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
□
Change in the
first 20 hours
2
Replacement of engine oil filter
○
○
□
Replace in the
first 50 hours
3
Replacement of fuel strainer
○
○
4
Drain water from fuel tank
○
5
Cleaning of fuel tank
○ ○
6
Check of loose connect of fuel hoses and
bands
○ ○ ○ ○ ○ ○ ○ ○ ○ ○
7
Replacement of fuel hoses and bands
○
□
8
Check/Clean of air cleaner
○ ○ ○ ○ ○ ○ ○ ○ ○ ○
□
9
Replacement of air cleaner element
○
○
○
□
10
Cleaning of the ignition plug
○ ○ ○ ○ ○ ○ ○ ○ ○ ○
□
11
Electrode gap adjustment of ignition plug
○
○
□
12
Check of battery electrolyte level
○
□
13
Check of damage and stain on electrical
wiring and looseness of connecting parts
○
○
○
○
○
14
Cleaning of each part and inspection of
tightening on each part
○
*
15
Check/Adjustment of intake and exhaust
valve clearance
○
*
16
Check of intake and exhaust valve seat
lapping
○
*
17
Cleaning of engine base (oil pan)
○
18
Remove cylinder head carbon
○
*
19
Cleaning of carburetor
○
*
20
Overhaul
*
●
Be sure to change the engine oil and replace the engine oil filter for the first time at the specified time.
●
Perform No. 1 to 19 after 500 hours or 2 years, periodically in the same way. In addition, carry out
No. 20 every specified time.
●
Carry out inspection item by used hours or the number of years after purchase, whichever is earlier.
●
For items marked with
□
, refer to "Engine manual".
●
For inspection and service of items marked with * , consult your dealer and follow the instructions.
●
The interval time of service above is a standard. Actual interval time may differ according to work
condition and service situation.
No.
Check item
Used time
After purchase
M
et
ho
d o
f
ins
pect
io
n,
jud
gment
Remark
50 100 150 200
E
very
y
ea
r
E
very
2 y
ea
rs
A
s a
pp
ro
pri
at
e
Every 1000 hours
250 300 350 400 450 500
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