PRE-OPERATION INSPECTION AND MAINTENANCE

EC320000

PRE-OPERATION INSPECTION AND MAINTENANCE

INSP

ADJ

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

Routine

Page

 

 

 

Coolant

Check that coolant is filled up to the radiator cap.

P.3-5 ~ 9

Check the cooling system for leakage.

 

 

 

 

 

Fuel

Check that a fresh gasoline is filled in the fuel tank. Check the

P.1-14

fuel line for leakage.

 

 

 

 

 

Engine oil

Check that the oil level is correct. Check the crankcase and

P.3-14 ~ 18

frame oil line for leakage.

 

 

 

 

 

Gear shifter and clutch

Check that gears can be shifted correctly in order and that the

P.3-9 ~ 10

clutch operates smoothly.

 

 

 

 

 

Throttle grip/Housing

Check that the throttle grip operation and free play are correctly

P.3-10 ~ 11

adjusted. Lubricate the throttle grip and housing, if necessary.

 

 

 

 

 

Brakes

Check the play of front brake and effect of front and rear brake.

P.3-25 ~ 31

 

 

 

Drive chain

Check drive chain slack and alignment. Check that the drive

P.3-32 ~ 35

chain is lubricated properly.

 

 

 

 

 

Wheels

Check for excessive wear and tire pressure. Check for loose

P.3-43 ~ 44

spokes and have no excessive play.

 

 

 

 

 

Steering

Check that the handlebar can be turned smoothly and have no

P.3-44 ~ 45

excessive play.

 

 

 

 

 

Front forks and rear shock

Check that they operate smoothly and there is no oil leakage.

P.3-35 ~ 42

absorber

 

 

 

 

 

 

Check that the clutch and throttle cables move smoothly. Check

 

Cables (wires)

that they are not caught when the handlebars are turned or

 

when the front forks travel up and down.

 

 

 

 

Exhaust pipe

Check that the exhaust pipe is tightly mounted and has no

P.4-3 ~ 4

cracks.

 

 

 

 

 

Rear wheel sprocket

Check that the rear wheel sprocket tightening bolt is not loose.

P.3-32

 

 

 

Lubrication

Check for smooth operation. Lubricate if necessary.

P.3-46

 

 

 

Bolts and nuts

Check the chassis and engine for loose bolts and nuts.

P.1-19

 

 

 

Lead connectors

Check that the AC magneto, CDI unit, and ignition coil are con-

P.1-6

nected tightly.

 

 

 

 

 

 

Is the machine set suitably for the condition of the racing course

 

Settings

and weather or by taking into account the results of test runs

P.7-1 ~ 22

before racing? Are inspection and maintenance completely

 

 

 

done?

 

 

 

 

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Yamaha WR250FM service manual PRE-OPERATION Inspection and Maintenance, General Inspection and Maintenance