27
Items Frequency
Pre-Op-
eration
check
(daily)
First 8
hours Every
25
hours
Every 3
months
or 50
hours
Every 6
months
or 100
hours
Every
year As
neces-
sary
Engine oil
Check-level
√
Replace
√
√
*
√
√
*
Air filter
Check/Clean/Replace
√
√
√
*
Spark plug Check/clean/Adjust
gap
√
√
*
Fuel tank &
fuel filter**
Check-refill
√
√
*
Clean
√
Fuel line
Check fuel hose for
crack or damage
√
√
*
Choke
knob
Check choke operation
√
Valve
clearance*
*
Check-adjust
When engine is cold
√
Decarboniz
ation
More frequently
√
*
Fittings/
Fasteners
Check all fittings and
fasteners correct if
necessary
√
Idle
speed**
Check/adjust engine
idle speed
√
Crankcase
breather
system**
Check breather hose
for cracks or damage
√
√
*
Muffler
screen**
Check /Clean/replace
√
*
Cylinder
head, piston
Clean up
Carbon **
<225cc, every 125hrs
≧
225cc, every 250hrs
** The installation and major repair work shall be carried out only by our authorized
dealer or other specifically trained personnel.
* Clean/change more often under dusty conditions or operating under heavy load.
CAUTION
• If the gasoline engine frequently works
under high temperature or heavy load,
change the oil every 25 hours.
• If the engine frequently work under
dusty or other severe circumstances,
clean the air filter element every 10
hours; If necessary, change the air filter
element every 25 hours.
• The maintenance period and the exact
time (hour), the one which comes first
should govern.
• If you have missed the scheduled time
to maintain your engine, do it as soon as
Summary of Contents for A112004
Page 39: ...39 WIRING DIAGRAM...
