3-37
CHASSIS
ADJUSTING THE REAR SHOCK
ABSORBER SPRING PRELOAD
1. Elevate the rear wheel by placing the suit-
able stand under the engine.
2. Remove:
• Rear frame
3. Measure:
• Spring fitting length
The I.D. mark "a" is marked at the end of the
spring.
4. Adjust:
• Spring preload
Adjustment steps:
a. Loosen the locknut "1".
b. Loosen the adjuster "2" until there is some
clearance between the spring and adjuster.
c. Measure the spring free length "a".
d. Turn the adjuster "2".
• Be sure to remove all dirt and mud from
around the locknut and adjuster before adjust-
ment.
• The length of the spring (installed) changes
1.5 mm (0.06 in) per turn of the adjuster.
Never attempt to turn the adjuster beyond
the maximum or minimum setting.
e. Tighten the locknut.
5. Install:
• Rear frame (upper)
• Rear frame (lower)
Standard fitting length:
I.D. MARK/Q'TY
Length
Yellow/1
249 mm
(9.80 in)
* 245.0 mm
(9.65 in)
** 248.5 mm
(9.78 in)
* For AUS, NZ and ZA
** For EUROPE
Stiffer
→
Increase the spring preload. (Turn
the adjuster "2" in.)
Softer
→
Decrease the spring preload.
(Turn the adjuster "2" out.)
Extent of adjustment:
Maximum
Minimum
Position in which
the spring is turned
in 22 mm (0.87 in)
from its free length.
Position in which
the spring is turned
in 1.5 mm (0.06 in)
from its free length.
Locknut:
30 Nm (3.0 m•kg, 22 ft•lb)
Rear frame (upper):
38 Nm (3.8 m•kg, 27 ft•lb)
Rear frame (lower):
32 Nm (3.2 m•kg, 23 ft•lb)
Содержание 2011 WR250FA
Страница 6: ...YAMAHA MOTOR CORPORATION U S A WR MOTORCYCLE LIMITED WARRANTY ...
Страница 10: ...MEMO ...
Страница 62: ...2 22 LUBRICATION DIAGRAMS LUBRICATION DIAGRAMS ...
Страница 64: ...2 24 LUBRICATION DIAGRAMS ...
Страница 65: ...2 25 LUBRICATION DIAGRAMS 1 Crankshaft 2 Oil filter element 3 Oil tank 4 Oil hose A From oil pump ...
Страница 66: ...2 26 CABLE ROUTING DIAGRAM CABLE ROUTING DIAGRAM ...
Страница 68: ...2 28 CABLE ROUTING DIAGRAM ...
Страница 70: ...2 30 CABLE ROUTING DIAGRAM ...
Страница 72: ...2 32 CABLE ROUTING DIAGRAM ...
Страница 74: ...2 34 CABLE ROUTING DIAGRAM ...
Страница 117: ...3 42 CHASSIS ...
Страница 118: ...3 43 CHASSIS LUBRICATION ...
Страница 123: ...3 48 ELECTRICAL Charging method using a variable voltage charger ...
Страница 124: ...3 49 ELECTRICAL Charging method using a constant voltage charger ...
Страница 158: ...5 25 CAMSHAFTS 7 Install Cylinder head breather hose Spark plug Spark plug 13 Nm 1 3 m kg 9 4 ft lb ...
Страница 192: ...5 59 OIL PUMP 12 Dowel pin 1 13 Washer 1 14 Oil pump drive shaft 1 15 Rotor housing 1 Order Part name Q ty Remarks ...
Страница 314: ......
Страница 315: ......
Страница 316: ...PRINTED IN JAPAN 2010 05 0 3 1 CR E PRINTED ON RECYCLED PAPER YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...