Yamaha EF1000iS Owner's Manual - Periodic Maintenance
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AE00401
PERIODIC MAINTENANCE
AE00403
MAINTENANCE CHART
Regular maintenance is most important for best performance and safe operation.
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Stop the engine before starting maintenance work.
*
: It is recommended that these items be serviced by a Yamaha dealer.
**
: Related to emission control system.
No.
Item
Remarks
Pre-Ope-
ration
check
(daily)
Initial
Every
1
month
or 20 Hr
3
months
or 50 Hr
6
months
or 100 Hr
12
months
or 300 Hr
Check condition.
1.
**
Adjust gap and
0
Spark Plug
clean. Replace if
necessary.
**
Check and adjust
2.*
Valve Clearance
when engine is
0
cold.
Check breather
**
hose for cracks or
0
3.*
Crankcase
damage. Replace
breather system
if necessary.
Check for leakage.
Retighten or
0
*replace gasket
**
if necessary.
4.
Exhaust System
Check muffler
screen and spark
arrester. Clean/
0
replace if
necessary.
Check oil level
0
5.
Engine Oil
Replace
0
0
**
Clean.
6.
Air Filter
Replace if
0
necessary.
Clean fuel tank
7.
Fuel Filter
filter. Replace if
0
necessary.
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