PERIODIC MAINTENANCE
Safety is an obligation of the owner. Periodic inspection, adjustment and lubrication will
keep your generator in the safest and most efficient condition possible. The most impor-
tant points of generator inspection, adjustment, and lubrication are explained on the fol-
lowing pages.
WARNING
If you are not familiar with maintenance work, have a Yamaha dealer do it for you.
Maintenance chart
WARNING
Stop the engine before starting maintenance work.
NOTICE
Use only Yamaha specified genuine parts for replacement. Ask an authorized
Yamaha dealer for further attention.
Item
Spark plug
Fuel
Fuel hose
Engine oil
Air filter element
Muffler screen
Fuel tank filter
Fuel strainer
Crankcase breather
hose
All manuals and user guides at all-guides.com
Routine
• Check condition.
• Clean and replace if necessary.
• Check fuel level and leakage.
• Check fuel hose for cracks or damage.
• Replace if necessary.
• Check oil level in engine.
• Replace.
• Check condition.
• Clean.
• Check condition.
• Clean and replace if necessary.
• Clean and replace if necessary.
• Clean and replace if necessary.
• Check breather hose for cracks or
damage.
• Replace if necessary.
– 21 –
Every
Pre-
operation
6 months
12 months
check
or 100 Hr
or 300 Hr
1
1
1
1
1(*1)
1(*2)
1
1
1
1