Yamaha YZ450F(Y Owner's Manual: Maintenance Specifications

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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"
Camshaft runout limit
Item
MAINTENANCE SPECIFICATIONS
300 mm (11.8 in)
314 mm (12.4 in)
CDI magneto
Standard
----
95.00–95.01 mm (3.7402–3.7406 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)
31.200–31.300 mm (1.2283–1.2323 in)
22.550–22.650 mm (0.8878–0.8917 in)
30.900–31.000 mm (1.2165–1.2205 in)
22.468–22.568 mm (0.8846–0.8885 in)
----
2-3
Limit
0.05 mm (0.002
in)
----
0.05 mm (0.002
in)
----
----
----
0.08 mm (0.003
in)
31.100 mm
(1.2244 in)
22.450 mm
(0.8839 in)
30.800 mm
(1.2126 in)
22.368 mm
(0.8806 in)
0.03 mm
(0.0012 in)

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  • nick Jan 26, 2016 10:47:
    The download is jacked up, so it's only really viewable on the site, but can't really complain since it's free.