Yamaha MZ250 Owner's Manual page 23

Item
• Check breather hose
Crankcase
breather hose
• Replace if necessary.
• Decarbonize cylinder
Cylinder head
• More frequently if
Valve • Check and adjust
clearance
• Check and adjust idle
Idle speed
• Check recoil starter for
Recoil starter
• Check all fittings and
Fittings /
fasteners
• Correct if necessary.
The point where abnormality was
recognized by use.
*1····· 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.
Routine
for cracks or damage.
head.
necessary.
when engine is cold.
speed.
damage.
fasteners.
Initial
Pre-
operation
1 month
check
or 20 Hrs
1
– 16 –
Every
3 months 6 months
or 50 Hrs or 100 Hrs
12 months
or 300 Hrs
1
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