Cylinder Head; Removing The Cylinder Head - Yamaha WR450F(Y) 2009 Owner's Service Manual

CYLINDER HEAD

REMOVING THE CYLINDER HEAD

Order
Seat and fuel tank
Exhaust pipe and silencer
Radiator
Air cut-off valve assembly
Carburetor
Camshaft
1 Bolt
2* Bolt
3 Cylinder head
4 Gasket
5 Timing chain guide (exhaust side)
Tighten the cylinder head bolts to 30 Nm (3.0 m•kg, 22 ft•lb) in the proper tightening sequence, remove and retighten the
cylinder head bolts to 20 Nm (2.0 m•kg, 14 ft•lb) in the proper tightening sequence, and then tighten the cylinder head bolts
further to reach the specified angle 180° in the proper tightening sequence.
Part name
5-20
CYLINDER HEAD
Q'ty
Refer to "REMOVING THE SEAT, FUEL
TANK AND SIDE COVERS" section in the
CHAPTER 3.
Refer to "REMOVING THE EXHAUST PIPE
AND SILENCER" section in the CHAPTER 3.
Refer to "RADIATOR" section
Refer to "AIR INDUCTION SYSTEM" section.
Refer to "CARBURETOR" section.
Refer to "CAMSHAFTS" section.
2
4 Refer to NOTE.
1
1
1
Remarks