Download Print this page

Yamaha WR450FX Owner's Service Manual page 31

Advertisement

Valve spring:
Free length (IN)
Free length (EX)
Set length (valve closed) (IN)
Set length (valve closed) (EX)
Compressed force (installed) (IN)
Compressed force (installed) (EX)
Tilt limit* (IN)
Tilt limit* (EX)
Direction of winding (top view) (IN)
Direction of winding (top view) (EX)
Piston:
Piston to cylinder clearance
Piston size "D"
Measuring point "H"
Piston off-set
Piston pin bore inside diameter
Piston pin outside diameter
Item
MAINTENANCE SPECIFICATIONS
Standard
39.46 mm (1.55 in)
37.61 mm (1.48 in)
27.87 mm (1.10 in)
28.38 mm (1.12 in)
130.2–149.8 N at 27.87 mm (13.28–15.28
kg at 27.87 mm, 29.27–33.68 lb at 1.10 in)
123.1–141.7 N at 28.38 mm (12.55–14.45
kg at 28.38 mm, 27.67–31.85 lb at 1.12 in)
----
----
Clockwise
Clockwise
0.020–0.045 mm (0.0008–0.0018 in)
94.965–94.980 mm (3.7388–3.7394 in)
8 mm (0.315 in)
1 mm (0.0394 in)
18.004–18.015 mm (0.7088–0.7093 in)
17.991–18.000 mm (0.7083–0.7087 in)
2-6
Limit
38.46 mm (1.51
in)
36.61 mm (1.44
in)
----
----
----
----
2.5°/1.7 mm
(2.5°/0.067 in)
2.5°/1.6 mm
(2.5°/0.063 in)
----
----
0.1 mm (0.004
in)
----
----
----
18.045 mm
(0.7104 in)
17.971 mm
(0.7075 in)

Advertisement

loading

This manual is also suitable for:

Wr450f