Yamaha WR400F Fahrer- Und Wartungshandbuch Seite 77

Stem runout limit
Valve seat width
Valve spring:
Free length
Set length (valve closed)
Compressed pressure
(installed)
Tilt limit *
Direction of winding
(top view)
Piston:
Piston to cylinder clearance
Piston size "D"
Measuring point "H"
Piston off-set
MAINTENANCE SPECIFICATIONS
Item
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
H
D
Standard
----
0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)
0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)
40.37 mm (1.59 in)
42.66 mm (1.68 in)
32.86 mm (1.29 in)
35.38 mm (1.39 in)
117 ~ 134 N
(11.9 ~ 13.7 kg, 26.23 ~ 30.20 lb)
126 ~ 138 N
(12.9 ~ 14.1 kg, 28.44 ~ 31.08 lb)
----
----
Clockwise
Clockwise
0.040 ~ 0.065 mm
(0.0016 ~ 0.0026 in)
91.945 ~ 91.960 mm
(3.6199 ~ 3.6205 in)
9 mm (0.354 in)
1 mm (0.0394 in)
2 - 6
SPEC
Limit
0.01 mm
(0.0004 in)
----
----
39.4 mm
(1.55 in)
41.7 mm
(1.64 in)
----
----
----
----
2.5˚/1.8 mm
(2.5˚/0.067 in)
2.5˚/1.9 mm
(2.5˚/0.075 in)
----
----
0.1 mm
(0.004 in)
----
----
----