Service Manual

9
Maintenance
Regularly Scheduled Maintenance
Included below are the intervals for normal
maintenance of the product. The Maintenance
and Service Procedures section includes normal
maintenance procedures and more detailed
service procedures that the typical user may not
be able to perform. DO NOT attempt any
procedures that you are not qualified to perform.
Ensure that all safety information, warnings, and
instructions are read and understood before any
operation or any maintenance procedures are
performed.
Use service hours or calendar time, WHICH
EVER OCCURS FIRST, to determine the
correct maintenance intervals.
Stop the engine before servicing. Put the engine
in horizontal position and remove the spark plug
caps to prevent the engine from starting. Never
operate the engine in an unventilated room or
other enclosed area.
When Required:
Fuel Tank Cap and Strainer – Clean
Every Use:
Engine Oil Level – Check
Walk-Around Inspection
First 20 Service Hours or 1 Month:
Engine Oil and Oil Filter – Change
Every Month:
Generator – Inspect
Every 50 Service Hours or 3 Months:
Air Filter – Check
Spark Arrester – Inspect/Clean/Replace
Every 100 Service Hours or 6 Months:
Engine Oil and Oil Filter – Change
Spark Plug – Inspect/Adjust/Replace
Every 300 Service Hours or 1 Year:
Cylinder Head – Clean
Engine Valve Lash – Check
Every 2 Years:
Fuel Line – Replace
Special Tools
The following tools may be required to perform
the service procedures:
• Bearing driver
• Bearing puller
• Compression gauge
• Flywheel driver
• Megohmmeter
• Micrometer
• Multimeter (Volts and Ohms)
• Piston driver
• Piston ring puller
• Ring compressor
• Valve guide driver
• Valve guide reamer
• Valve seat cutter 32°
• Valve seat cutter 45°