Yamaha XZ550RJ Service Manual page 422

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Model
XZ550RJ
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..
Valve Spring
Free Length
Inner .Spring IN.
36.17 mm (1.424 in)
EX.
36.17mm (1.424in)
Outer Spring
IN.
36.63mm (1.442in)
EX.
36.63 mm 11.442 in)
Compressed Length (Valve C!ossed)
Inner Spring
IN.
30.5mm (1.20in)
EX.
30.5mm (1.20in)
Outer Spring
IN.
32.0 mm (1.26 in)
EX.
32.0 mm (1.26 in)
Tilt Limit*
Inner Spring
IN.&EX.
2.5° or 1.6 mm (0.063 in)
Outer Spring
IN.&EX.
2.5°or 1.6mm (0.063in)
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Direction of Winding (Top view)
Intake
Exhaust
Outer Spring
Outer Spring
In§;)
Spring
In§;)
Spring
8-7