Inspection And Mainte Nance - Yamaha YZ125X1 Owner's Service Manual

PRE-OPERATION INSPECTION AND MAINTENANCE
Item
Lube
Replace spring seat
Retighten
DRIVE CHAIN GUIDE AND
ROLLERS
Inspect
SWINGARM
Inspect, lube and retighten
RELAY ARM, CONNECTING
ROD
Inspect, lube and retighten
STEERING HEAD
Inspect free play and retighten
Clean and lube
Replace bearing
TIRE, WHEELS
Inspect air pressure, wheel run-
out, tire wear and spoke loose-
ness
Retighten sprocket bolt
Inspect bearings
Replace bearings
Lubricate
THROTTLE, CONTROL CABLE
Check routing and connection
Lubricate
PRE-OPERATION INSPECTION AND MAINTENANCE
Before riding for break-in operation, practice or a race, make sure the machine is in good operating condition.
Before using this machine, check the following points.
GENERAL INSPECTION AND MAINTENANCE
Item
Coolant
Fuel
Transmission oil
Gear shifter and clutch
Throttle grip/Housing
Brakes
Drive chain
After
Every
Every
break-
race
in
● ●
● ●
● ●
● ●
● ●
● ●
● ●
● ●
● ●
Check that coolant is filled up to the radiator cap. Check the cool-
ing system for leakage.
Check that a fresh mixture of oil and gasoline is filled in the fuel
tank. Check the fuel line for leakage.
Check that the oil level is correct. Check the crankcase for leak-
age.
Check that gears can be shifted correctly in order and that the
clutch operates smoothly.
Check that the throttle grip operation and free play are correctly
adjusted. Lubricate the throttle grip and housing, if necessary.
Check the play of front brake and effect of front and rear brake.
Check drive chain slack and alignment. Check that the drive chain
is lubricated properly.
Every
As re-
third fifth quired
(After
rain
● ●
ride)
●
●
●
●
●
●
Routine
3-3
Remarks
Molybdenum disulfide grease
Every one year
Molybdenum disulfide grease
Molybdenum disulfide grease
Lithium base grease
Lithium base grease
Yamaha cable lube or SAE 10W-30
motor oil
Page
P.3-5 – 6
P.1-7– 8
P.3-7 – 8
P.3-6
P.3-6 – 7
P.3-8 – 11
P.3-11 – 12