Inspection And Maintenance - Yamaha WR250F(W) Owner's Service Manual

EC320000
PRE-OPERATION INSPECTION AND MAINTENANCE
Before riding for break-in operation, practice, make sure the machine is in good operating condition.
Before using this machine, check the following points.
GENERAL INSPECTION AND MAINTENANCE
Item
Coolant
Fuel
Engine oil
Gear shifter and clutch
Throttle grip/Housing
Brakes
Drive chain
Wheels
Steering
Front forks and rear shock
absorber
Cables (wires)
Exhaust pipe
Rear wheel sprocket
Lubrication
Bolts and nuts
Lead connectors
Settings
PRE-OPERATION INSPECTION AND MAINTENANCE
Check that coolant is filled up to the radiator cap.
Check the cooling system for leakage.
Check that a fresh gasoline is filled in the fuel tank. Check the
fuel line for leakage.
Check that the oil level is correct. Check the crankcase and
frame oil line for leakage.
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.
Check for excessive wear and tire pressure. Check for loose
spokes and have no excessive play.
Check that the handlebar can be turned smoothly and have no
excessive play.
Check that they operate smoothly and there is no oil leakage.
Check that the clutch and throttle cables move smoothly. Check
that they are not caught when the handlebars are turned or when
the front forks travel up and down.
Check that the exhaust pipe is tightly mounted and has no
cracks.
Check that the rear wheel sprocket tightening bolt is not loose.
Check for smooth operation. Lubricate if necessary.
Check the chassis and engine for loose bolts and nuts.
Check that the AC magneto, CDI unit, and ignition coil are
connected tightly.
Is the machine set suitably for the condition of the course and
weather or by taking into account the results of test runs before
riding? Are inspection and maintenance completely done?
3 - 16
Routine
INSP
ADJ
Page
P.3-35 ~ 41
P.1-49
P.3-51 ~ 59
P.3-41 ~ 43
P.3-43 ~ 45
P.3-77 ~ 89
P.3-91 ~ 95
P.3-111 ~ 113
P.3-113 ~ 117
P.3-97 ~ 109
—
P.3-27 ~ 31
P.3-89
P.3-119
P.1-59
P.1-9
P.4-1 ~ 40