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Maintenance Specifications - Yamaha 2011 WR250FA Owner's Service Manual

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MAINTENANCE SPECIFICATIONS

ENGINE
Item
Cylinder head:
Warp limit
Cylinder:
Bore size
Out of round limit
Camshaft:
Drive method
Camshaft cap inside diameter
Camshaft outside diameter
Shaft-to-cap clearance
Cam dimensions
Intake "A"
Intake "B"
Exhaust "A"
Exhaust "B"
Camshaft runout limit
MAINTENANCE SPECIFICATIONS
Standard
----
77.00–77.01 mm (3.0315–3.0319
in)
----
Chain drive (Left)
22.000–22.021 mm (0.8661–
0.8670 in)
21.959–21.972 mm (0.8645–
0.8650 in)
0.028–0.062 mm (0.0011–0.0024
in)
29.65–29.75 mm (1.1673–1.1713
in)
22.45–22.55 mm (0.8839–0.8878
in)
30.399–30.499 mm (1.1968–
1.2007 in)
22.45–22.55 mm (0.8839–0.8878
in)
----
2-4
Limit
0.05 mm
(0.002 in)
----
0.05 mm
(0.002 in)
----
----
----
0.08 mm
(0.003 in)
29.55 mm
(1.1634 in)
22.35 mm
(0.8799 in)
30.299 mm
(1.1929 in)
22.35 mm
(0.8799 in)
0.03 mm
(0.0012 in)

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