21
Periodic maintenance
*1····· The air filter and foam element need to be cleaned more frequently when using in
unusually wet or dusty areas.
····· Since these items require special tools, data and technical skills, have a Yamaha
dealer perform the service.
Fuel tank filter
• Clean and replace if
necessary.
Fuel strainer
• Clean and replace if
necessary.
Crankcase
breather hose
• Check breather hose
for cracks or damage.
• Replace if necessary.
Cylinder head
• Decarbonize cylinder
head.
• More frequently if nec-
essary.
After every 500 Hrs. ( )
Valve clear-
ance
• Check and adjust when
engine is cold.
Idle speed
• Check and adjust idle
speed.
Recoil starter
• Check recoil starter for
damage.
Fittings/fas-
teners
• Check all fittings and
fasteners.
• Correct if necessary.
The point where abnormality was recog-
nized by use.
Item
Routine
Pre-opera-
tion check
Initial
Every
1 month
or 20 Hrs
3 months
or 50 Hrs
6 months
or 100 Hrs
12 months
or 300 Hrs
7VE-F8199-70-E0.book 21 ページ ２０１６年１１月１５日 火曜日 午後５時３５分
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