Burns from hot parts.
Let the engine and exhaust system cool before touching.
Injury from moving parts.
Do not run the engine unless instructed to do so.
Read the instructions before you begin, and make sure you have the tools and skills
required.
To reduce the possibility of re or explosion, be careful when working around gasoline.
Use only a non ammable solvent, not gasoline, to clean parts. Keep cigarettes, sparks and
ames away from all fuel-related parts.
To ensure the best quality and reliability, use only new, genuine parts or their equivalents for
repair and replacement.
MAINTENANCE SCHEDULE
REGULAR SERVICE PERIOD
Performed at every indicated
month or operating hour interval,
whichever comes rst.
ITEM
Engine oil
Air cleaner
Spark plug
Flywheel brake pad Check
Spark arrester
(optional parts)
Idle speed
Valve clearance
Combustion
chamber
Fuel line
☆
Replace the paper element type only.
(1) Change engine oil every 25 hours when used under heavy load or in high ambient
temperatures.
(2) Clean more often under dusty conditions or when airborne debris is present. Replace air
cleaner parts, if very dirty.
(3) These items should be serviced by your servicing dealer unless you have the proper tools
and are mechanically pro cient. Refer to manual for service procedures.
Failure to follow this maintenance schedule could result in non-warrantable failures.
Before
Each use
○
Check level
Change
○
Check
Clean
Replace
Check-Clean
Replace
Clean
Check-Adjust
Check-Adjust
l C
a e
n
Check
First
Every 3
month or
months
5 Hrs.
or 25 Hrs.
○
○(2)
A
t f
r e
e
e v
y r
1
0
0
Every 2 years (Replace if necessary) (3)
27
Every 6
Every
months
year or
or 50 Hrs.
100 Hrs.
○(1)
○☆
○
○
○
○
○(3)
○(3)
H
s r
( .
) 3