MAINTENANCE SPECIFICATIONS
2 - 6
SPEC
Stem runout limit
----
0.01 mm
(0.0004 in)
Valve seat width
IN
0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in)
1.6 mm
(0.0630 in)
EX
0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in)
1.6 mm
(0.0630 in)
Valve spring:
Free length
IN
36.58 mm (1.44 in)
35.58 mm
(1.40 in)
EX
37.54 mm (1.48 in)
36.54 mm
(1.44 in)
Set length (valve closed)
IN
29.13 mm (1.15 in)
----
EX
29.30 mm (1.15 in)
----
Compressed force (installed)
IN
103 ~ 118 N at 29.13 mm
(10.50 ~ 12.09 kg at 29.13 mm,
23.15 ~ 26.66 lb at 1.15 in)
----
EX
126 ~ 144 N at 29.30 mm
(12.85 ~ 14.68 kg at 29.30 mm,
28.32 ~ 32.37 lb at 1.15 in)
----
Tilt limit
IN
----
2.5°/1.6 mm
(2.5°/0.063 in)
EX
----
2.5°/1.6 mm
(2.5°/0.063 in)
Direction of winding (top view)
IN
Clockwise
----
EX
Clockwise
----
Piston:
Piston to cylinder clearance
0.030 ~ 0.055 mm
(0.0012 ~ 0.0022 in)
0.1 mm
(0.004 in)
Piston size “D”
76.955 ~ 76.970 mm
(3.0297 ~ 3.0303 in)
----
Measuring point “H”
8 mm (0.31 in)
----
Piston off-set
0.5 mm (0.020 in)/IN-side
----
Item
Standard
Limit
*
H
D
Summary of Contents for WR250F(W)
Page 51: ...1 26 GEN INFO MEMO...
Page 89: ...1 64 GEN INFO MEMO...
Page 189: ...2 96 SPEC MEMO...
Page 285: ...3 74 INSP ADJ MEMO...
Page 379: ...4 20 TUN MEMO...
Page 831: ...7 10 ELEC MEMO...
Page 847: ...7 26 ELEC MEMO...
Page 869: ...7 48 ELEC MEMO...
Page 877: ...7 56 ELEC MEMO...
Page 893: ...7 72 ELEC MEMO...
Page 903: ...7 82 ELEC MEMO...
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