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Maintenance Schedule
REGULAR SERVICE PERIOD(4)
ITEM
Perform at every indicated month or
operating hour interval, whichever
comes first.
Engine oil
Check
Replace
Air cleaner
Check
Replace
Spark plug
Check-adjust
Replace
Flywheel brake
Check
pad (A types)
Fuel tank and
Clean
filter
Fuel tube
Check
Valve clearance
Check-adjust
Combustion
Clean
chamber
Troubleshooting
ENGINE WILL NOT START
1. Check fuel.
2. Remove and inspect spark plug.
3. Take engine to an authorized our servic-
ing dealer, or refer to shop manual.
4. Push the prime button
ENGINE LACKS POWER
1.check air cleaner
2. Check fuel
3. Take engine to an authorized our ser-
vicing dealer, or refer to shop manual.
23
Before
First
Each
Month
Use
or
5 Hrs
O
O
O
Every 2 years (Replace if necessary)
After every 200 hours
Possible Cause
Out of fuel.
Bad fuel; engine stored without treating or draining gasoline, of
refueled with bad gasoline
Spark plug faulty, fouled, or improperly gapped.
Spark plug wet with fuel (flooded engine).
Fuel filter clogged, carburetor malfunction, ignition malfunction,
valves stuck, etc.
In cold condition
Possible Cause
Air cleaner elements clogged.
Bad fuel; engine stored without treating or draining gasoline, of
refueled with bad gasoline.
Fuel filter clogged, carburetor malfunction, ignition malfunction,
valves stuck, etc.
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Every 3
Every 6
Months
Months
or
or
25 Hrs
50 Hrs
O(2)
O
O
Every
Every
Year
Two
or
Years
100 Hrs
or 250 Hrs
O
O
O
O
Correction
Refuel
Drain the fuel tank and carburetor.
Refuel with fresh gasoline.
Replace the spark plug.
Dry and reinstall spark plug.
Replace or repair faulty components
as necessary.
Push the prime button.
Correction
Clean or replace air cleaner elements
Drain the fuel tank and carburetor. Refuel
with fresh gasoline.
Replace or repair faulty components as
necessary.
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