Yamaha YFM400FAR Service Manual page 382

Item
Outer 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"
D
Measuring point "H"
Piston offset
Offset direction
Piston pin bore inside diameter
Piston pin outside diameter
MAINTENANCE SPECIFICATIONS
IN 43.27 mm (1.70 in)
EX 43.27 mm (1.70 in)
IN 36.6 mm (1.44 in)
EX 36.6 mm (1.44 in)
IN 235.4 ~ 251.1 N
(24.0 ~ 25.6 kg, 52.92 ~ 56.45 lb)
EX 235.4 ~ 251.1 N
(24.0 ~ 25.6 kg, 52.92 ~ 56.45 lb)
IN ----
EX ----
IN Clockwise
EX Clockwise
0.040 ~ 0.060 mm
(0.0016 ~ 0.0024 in)
82.920 ~ 82.970 mm
(3.2646 ~ 3.2665 in)
H
5 mm (0.20 in)
0.5 mm (0.0200 in)
Intake side
19.004 ~ 19.015 mm
(0.7482 ~ 0.7486 in)
18.991 ~ 19.000 mm
(0.7477 ~ 0.7480 in)
– 8 –
SPEC
Standard
2.5°/1.9 mm
(2.5°/0.07 in)
2.5°/1.9 mm
(2.5°/0.07 in)
Limit
41.27 mm
(1.62 in)
41.27 mm
(1.62 in)
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0.150 mm
(0.0059 in)
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19.045 mm
(0.7498 in)
18.971 mm
(0.7469 in)