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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
Piston rings:
Top ring:
Type
Dimensions (B × T)
End gap (installed)
Side clearance (installed)
2nd ring:
Type
Dimensions (B × T)
End gap (installed)
Side clearance
Item
MAINTENANCE SPECIFICATIONS
Standard
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Clockwise
Clockwise
0.030–0.055 mm (0.0012–0.0022 in)
76.955–76.970 mm (3.0297–3.0303 in)
8 mm (0.31 in)
0.5 mm (0.020 in)/IN-side
16.002–16.013 mm (0.6300–0.6304 in)
15.991–16.000 mm (0.6296–0.6299 in)
Barrel
0.90 × 2.75 mm (0.04 × 0.11 in)
0.15–0.25 mm (0.006–0.010 in)
0.030–0.065 mm (0.0012–0.0026 in)
Taper
0.80 × 2.75 mm (0.03 × 0.11 in)
0.30–0.45 mm (0.012–0.018 in)
0.020–0.055 mm (0.0008–0.0022 in)
2-6
Limit
2.5°/1.6 mm
(2.5°/0.063 in)
2.5°/1.6 mm
(2.5°/0.063 in)
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----
0.1 mm (0.004
in)
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16.043 mm
(0.6316 in)
15.971 mm
(0.6288 in)
----
----
0.50 mm (0.020
in)
0.12 mm (0.005
in)
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----
0.80 mm (0.031
in)
0.12 mm (0.005
in)

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Wr250fx

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