compression ratio YAMAHA WR 250F 2007 Owners Manual

YAMAHA WR 250F 2007 Owners Manual WR 250F 2007 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52333/w960_52333-0.png YAMAHA WR 250F 2007 Owners Manual

Page 94 of 912

YAMAHA WR 250F 2007  Owners Manual GENERAL SPECIFICATIONS
2 - 1
SPEC
EC200000
SPECIFICATIONS
EC211000
GENERAL SPECIFICATIONS
Model name: WR250FW (USA, CDN, AUS, NZ)
WR250F (EUROPE, ZA)
Model code number: 5UME (USA)
5UMF (EUROPE)
5UMG (

Page 272 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 61
INSP
ADJ
VALVE CLEARANCE INSPECTION 
AND ADJUSTMENT
NOTE:This section is intended for those
who have basic knowledge and skill
concerning the servicing of Yamaha
motorcycles (e.g., Yamaha deale

Page 274 of 912

YAMAHA WR 250F 2007  Owners Manual 3 - 63
INSP
ADJ
5. Check:
Valve clearance
Out of specification 
→ Adjust. 
Valve clearance (cold):
Intake valve:
0.10 ~ 0.15 mm 
(0.0039 ~ 0.0059 in)
Exhaust valve:
0.17 ~ 0.22 mm 
(0.0067 ~ 0.0087

Page 384 of 912

YAMAHA WR 250F 2007  Owners Manual 4 - 25
TUNSETTING
EC722011Front fork setting
The front fork setting should be made
depending on the rider’s feeling of an
actual run and the circuit conditions.
The front fork setting includes the f

Page 388 of 912

YAMAHA WR 250F 2007  Owners Manual 4 - 29
TUNSETTING
EC72A001Setting of spring after 
replacement
As the front fork setting can be easily
affected by rear suspension, take
care so that the machine front and
rear are balanced (in positi

Page 460 of 912

YAMAHA WR 250F 2007  Owners Manual 5 - 53
ENGCAMSHAFTS
REMOVAL POINTS
Camshaft
1. Remove:
Timing mark accessing screw
1 
Crankshaft end accessing
screw 
2 
2. Align:
T.D.C. mark
With align mark.
Checking steps:
Turn the crankshaft