Pre-Operation Inspection And Maintenance - Yamaha WR450F Fahrer- Und Wartungshandbuch

PRE-OPERATION INSPECTION AND MAINTENANCE

EC320000
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
Engine oil
Gear shifter and clutch
Throttle grip/Housing
Brakes
Chain
Wheels
Steering
Front forks and rear shock
absorber
Cables (wires)
Muffler
Sprocket
Lubrication
Bolts and nuts
Lead connectors
Settings
Check that coolant is filled up to the radiator filler 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 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 chain slack and alignment. Check that the chain is lubri-
cated 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 muffler is tightly mounted and has no cracks.
Check that the driven 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 con-
nected tightly.
Is the machine set suitably for the condition of the racing course
and weather or by taking into account the results of test runs
before racing? Are inspection and maintenance completely
done?
Routine
3 - 4
INSP
ADJ
Page
P.3-5 ~ 9
P.1-21
P.3-14 ~ 18
P.3-9 ~ 10
P.3-10 ~ 11
P.3-25 ~ 31
P.3-32 ~ 35
P.3-43 ~ 44
P.3-44 ~ 46
P.3-35 ~ 42
—
—
P.3-32
P.3-47
P.1-26
P.1-6
P.7-1 ~ 20