Maintenance Specifications - Yamaha YZ450F Owner's Service Manual

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
310 mm (12.2 in)
315 mm (12.4 in) (For USA, CDN)
312 mm (12.3 in) (For EUROPE, AUS, NZ, ZA)
TCI
Standard
----
97.00–97.01 mm (3.8189–3.8193 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)
37.750–37.850 mm (1.4862–1.4902 in)
28.129–28.229 mm (1.1074–1.1114 in)
33.540–33.640 mm (1.3205–1.3244 in)
24.769–24.869 mm (0.9752–0.9791 in)
----
2-3
Limit
0.05 mm (0.002
in)
----
0.05 mm (0.002
in)
----
----
----
0.08 mm (0.003
in)
37.650 mm
(1.4823 in)
28.029 mm
(1.1035 in)
33.440 mm
(1.3165 in)
24.669 mm
(0.9712 in)
0.03 mm
(0.0012 in)