Operating Guide

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*1
....
Initial replacement of the engine oil is after one month or 20 hours of operation.
*2
....
The air filter element needs 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 per-
form the service.
Item Routine
Pre-
operation
check
Every
6 months
or 100 Hrs
12 months
or 300 Hrs
Crankcase breather
hose
• Check breather hose for cracks or
damage.
• Replace if necessary.
2
Cylinder head
• Decarbonize cylinder head.
• More frequently if necessary.
After every 500 Hrs.
Valve clearance • Check and adjust valve clearance.
★
Idle speed • Check and adjust idle speed.
★
Recoil starter • Check recoil starter for damage.
★
Fittings / fasteners
• Check all fittings and fasteners.
• Correct if necessary.
★
The point where abnormality was recognized by use.
2
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