Maintenance Specifications - Yamaha YZ250F(Y) Owner's Service Manual

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Shock absorber:
Front shock absorber
Rear shock absorber
Wheel travel:
Front wheel travel
Rear wheel travel
Electrical:
Ignition system

MAINTENANCE SPECIFICATIONS

ENGINE
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"
Item
MAINTENANCE SPECIFICATIONS
Coil spring/oil damper
Coil spring/gas, oil damper
USA, CDN
300 mm (11.8 in)
307 mm (12.1 in)
CDI magneto
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)
30.246–30.346 mm (1.1908–1.1947 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)
2-3
EUROPE, AUS, NZ, ZA
310 mm (12.2 in)
Limit
0.05 mm (0.002
in)
----
0.05 mm (0.002
in)
----
----
----
0.08 mm (0.003
in)
30.146 mm
(1.1869 in)
22.35 mm
(0.8799 in)
30.299 mm
(1.1929 in)
22.35 mm
(0.8799 in)

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This manual is also suitable for:

2009 yz250f2009 yz250fy

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