Yamaha YZ450FT Automobile User Manual


 
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ENG
CYLINDER HEAD
CYLINDER HEAD
CYLINDER HEAD
Extent of removal:
1
Cylinder head removal
N
OTE:
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.
Extent of removal Order Part name Qty Remarks
CYLINDER HEAD REMOVAL
Preparation for removal Seat and fuel tank Refer to SEAT, FUEL TANK AND SIDE
COVERS section.
Exhaust pipe and silencer Refer to EXHAUST PIPE AND
SILENCER section.
Radiator Refer to RADIATOR section.
Carburetor Refer to CARBURETOR section.
Camshaft Refer to CAMSHAFTS section.
1 Oil delivery pipe 1
2Nut 2
3* Bolt (L = 150 mm) 2
Refer to NOTE.
4* Bolt (L = 160 mm) 2
5 Cylinder head 1
6 Gasket 1
7 Dowel pin 2
8 Timing chain guide (front) 1
1