Yamaha YZ125(D) Owner's Service Manual page 45

Item
ROTOR NUT
Retighten
MUFFLER
Inspect
Clean
Retighten
Replace fiber
CRANK
Inspect and clean
CARBURETOR
Inspect, adjust and clean
SPARK PLUG
Inspect and clean
Replace
DRIVE CHAIN
Lubricate, slack, alignment
Replace
COOLING SYSTEM
Check coolant level and
leakage
Check radiator cap opera-
tion
Replace coolant
Inspect hoses
OUTSIDE NUTS AND
BOLTS
Retighten
AIR FILTER
Clean and lubricate
Replace
FRAME
Clean and inspect
FUEL TANK, COCK
Clean and inspect
Every Every
race third
After
(about (about
break-in
2.5 7.5
hours) hours)
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3-2
MAINTENANCE INTERVALS
Every
fifth
As re-
(about
quired
12.5
hours)
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* When the exhaust sound be-
● *
comes louder or when a per-
formance drop is felt.
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Use chain lube.
Chain slack: 48–58 mm (1.9–
2.3 in)
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Every two years
●
Refer to "STARTING AND
BREAK-IN" section in the
CHAPTER 1.
Use foam air-filter oil or equiv-
alent oil.
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Remarks
3