check engine YAMAHA WR 250F 2003 User Guide

YAMAHA WR 250F 2003 User Guide WR 250F 2003 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52337/w960_52337-0.png YAMAHA WR 250F 2003 User Guide

Page 220 of 860

YAMAHA WR 250F 2003 User Guide 3 - 29
INSP
ADJ
3. Inspect:
Pressure
Impossible to maintain the
specified pressure for 10 sec-
onds 
→ Replace.
COOLING SYSTEM INSPECTION
1. Inspect:
Coolant level
2. Attach:
Radiator cap tester

Page 222 of 860

YAMAHA WR 250F 2003 User Guide 3 - 31
INSP
ADJ
2. Adjust:
Clutch lever free play
NOTE:Make minute adjustment on the
lever side using the adjuster 
2.
After adjustment, check proper
operation of clutch lever. Clutch lever free pl

Page 224 of 860

YAMAHA WR 250F 2003 User Guide 3 - 33
INSP
ADJ
THROTTLE LUBRICATION
1. Remove:
Cover (throttle cable cap) 
1 
Cover (grip cap) 
2 
Throttle grip cap 
3 
2. Apply:
Lithium soap base grease
On the throttle cable end 
a.
3. Instal

Page 234 of 860

YAMAHA WR 250F 2003 User Guide 3 - 43
INSP
ADJ
4. Remove:
Oil tank cap 
1 
Oil filler cap 
2 
Frame oil drain bolt 
3 
Crankcase oil drain bolt 
4 
Oil filter element drain bolt 
5 
Drain the crankcase and oil
tank (frame) of

Page 236 of 860

YAMAHA WR 250F 2003 User Guide 3 - 45
INSP
ADJ
8. Install:
Copper washer 
1 
Oil strainer (frame) 
2 
Oil hose 
3 
Bolt (oil hose) 
4 
Oil hose clamp 
5 
Lower engine bracket
9. Install:
Copper washer
Oil filter element dra

Page 238 of 860

YAMAHA WR 250F 2003 User Guide 3 - 47
INSP
ADJ
OIL PRESSURE INSPECTION
1. Check:
Oil pressure
Checking steps:
Slightly loosen the oil pressure
check bolt 
1.
Start the engine and keep it
idling until oil starts to seep from
the

Page 240 of 860

YAMAHA WR 250F 2003 User Guide 3 - 49
INSP
ADJ
ENGINE IDLING SPEED 
ADJUSTMENT
1. Start the engine and thoroughly
warm it up.
2. Attach:
Inductive tachometer
To spark plug lead.
3. Adjust:
Engine idling speed
Adjustment steps:
A

Page 242 of 860

YAMAHA WR 250F 2003 User Guide 3 - 51
INSP
ADJ
3. Remove:
Right radiator
Refer to “RADIATOR” section
in the CHAPTER 4.
Carburetor
Refer to “CARBURETOR”
section in the CHAPTER 4.
Spark plug 
Upper engine bracket
Cylinde

Page 272 of 860

YAMAHA WR 250F 2003 User Guide 3 - 81
INSP
ADJ
6. Install:
Chain joint 
1 
O-ring 
2 
Drive chain 
3 
NOTE:When installing the drive chain, apply
the lithium soap base grease on the
chain joint and O-rings.
7. Install:
Link pla

Page 292 of 860

YAMAHA WR 250F 2003 User Guide 3 - 101
INSP
ADJ
2. Inspect:
Bearing free play
Exist play 
→ Replace.
EC36U013STEERING HEAD INSPECTION 
AND ADJUSTMENT
1. Elevate the front wheel by plac-
ing a suitable stand under the
engine.
2.
Page:   < prev 1-10 11-20 21-30 31-40 next >