INSP

MAINTENANCE INTERVALS ADJ

Item

After

Every

Every third

Every fifth

As re-

Remarks

break-in

race

(or

(or

quired

 

500 km)

1,000 km)

 

 

 

 

 

 

 

 

SHIFT FORK, SHIFT CAM, GUIDE BAR

 

 

 

 

 

 

Inspect

 

 

 

 

 

Inspect wear

 

 

 

 

 

 

 

ROTOR NUT

 

 

 

 

 

 

Retighten

 

 

 

 

 

 

EXHAUST PIPE, SILENCER,

 

 

 

 

 

 

PROTECTOR

 

 

 

 

 

 

Inspect and retighten

 

 

 

 

 

 

Clean

 

 

 

 

 

 

Replace

 

 

 

 

 

* Whichever comes first

 

 

 

 

 

 

 

*SPARK ARRESTER

 

 

 

 

 

 

Clean

 

 

 

 

(Every six

 

 

 

 

 

 

 

 

 

 

 

 

months)

 

 

 

 

 

 

 

 

CRANK

 

 

 

 

 

 

Inspect and clean

 

 

 

 

 

 

CARBURETOR

 

 

 

 

 

 

Inspect, adjust and clean

 

 

 

 

 

 

 

 

 

 

 

 

 

SPARK PLUG

 

 

 

 

 

 

Inspect and clean

 

 

 

 

 

 

Replace

 

 

 

 

 

 

DRIVE CHAIN

 

 

 

 

 

Use chain lube

Lubricate, slack, alignment

 

 

 

 

 

Chain slack:

Replace

 

 

 

 

 

40 ~ 50 mm (1.6 ~ 2.0 in)

 

 

 

 

 

 

 

COOLING SYSTEM

 

 

 

 

 

 

Check coolant level and leakage

 

 

 

 

 

 

Check radiator cap operation

 

 

 

 

 

 

Replace coolant

 

 

 

 

 

Every two years

Inspect hoses

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTSIDE NUTS AND BOLTS

 

 

 

 

 

Refer to “STARTING

Retighten

 

 

 

 

 

AND BREAK-IN” section

 

 

 

 

 

 

in the CHAPTER 1.

AIR FILTER

 

 

 

 

 

 

Clean and lubricate

 

 

 

 

 

Use foam air-filter oil or

Replace

 

 

 

 

 

equivalent oil

 

 

 

 

 

 

 

OIL FILTER

 

 

 

 

 

 

Replace

 

 

 

 

 

 

OIL STRAINER (frame)

 

 

 

 

 

 

Clean

 

 

 

 

 

 

 

 

 

 

 

 

 

FRAME

 

 

 

 

 

 

Clean and inspect

 

 

 

 

 

 

 

 

 

 

 

 

 

FUEL TANK, COCK

 

 

 

 

 

 

Clean and inspect

 

 

 

 

 

 

 

 

 

 

 

 

 

BRAKES

 

 

 

 

 

 

Adjust lever position and pedal height

 

 

 

 

 

 

Lubricate pivot point

 

 

 

 

 

 

Check brake disc surface

 

 

 

 

 

 

Check fluid level and leakage

 

 

 

 

 

 

Retighten brake disc bolts, caliper

 

 

 

 

 

 

bolts, master cylinder bolts and union

 

 

 

 

 

 

bolts

 

 

 

 

 

 

Replace pads

 

 

 

 

 

 

Replace brake fluid

 

 

 

 

 

Every one year

3 - 2

3

Page 67
Image 67
Yamaha WR250FM service manual Maintenance Intervals ADJ, Cooling System