Yamaha YZ450F User Manual

CAMSHAFT
5-12
Removing the camshaft
Order Part name Q’ty Remarks
1
Timing mark accessing screw
1
2
Crankshaft end accessing screw
1
3
Timing chain tensioner cap bolt
1
4
Timing chain tensioner
1
5
Camshaft cap
2
6
Clip
2
7
Intake camshaft
1
8
Exhaust camshaft
1
For installation, reverse the removal proce-
dure.
LS
6 Nm (0.6 m kgf, 4.3 ft Ibf)
T
.R.
5
8
3
4
1
2
7
6
5
(4)
(4)
6
M
M
E
New
New
New
10 Nm (1.0 m kgf, 7.2 ft Ibf)
T
.R.
10 Nm (1.0 m kgf, 7.2 ft Ibf)
T
.R.
10 Nm (1.0 m kgf, 7.2 ft Ibf)
T
.R.
10 Nm (1.0 m kgf, 7.2 ft Ibf)
T
.R.
6 Nm (0.6 m kgf, 4.3 ft Ibf)
T
.R.
LS

Yamaha YZ450F Specifications

General

Displacement	449cc
Bore x Stroke	97.0 mm x 60.8 mm
Transmission	5-speed
Final Drive	Chain
Width	32.5 in
Seat Height	38.2 in
Wheelbase	58.5 in
Fuel Capacity	1.6 gal
Fuel System	Fuel Injection
Front Suspension	KYB® Speed-Sensitive System inverted fork; fully adjustable, 12.2-in travel
Front Brakes	Hydraulic single disc, 270mm
Rear Brakes	Hydraulic single disc
Front Tire	80/100-21
Rear Tire	120/80-19
Wet Weight	245 lbs
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve