Yamaha YZ450FP 2023, Owner'S Service Manual

Page: 213 / 388

CYLINDER HEAD
5-17
EAM20107
CYLINDER HEAD
Removing the cylinder head
Order Job/Parts to remove Q’ty Remarks
Seat
Refer to “GENERAL CHASSIS” on page
4-1.
Side cover (left/right)
Refer to “GENERAL CHASSIS” on page
4-1.
Shroud (left/right)
Refer to “GENERAL CHASSIS” on page
4-1.
Fuel tank Refer to “FUEL TANK” on page 7-1.
Exhaust pipe/Silencer Refer to “ENGINE REMOVAL” on page 5-2.
Radiator hose Disconnect.
Coolant temperature sensor coupler Disconnect.
Throttle body Refer to “THROTTLE BODY” on page 7-4.
Camshaft Refer to “CAMSHAFT” on page 5-10.
Upper engine bracket Refer to “ENGINE REMOVAL” on page 5-2.
x4
M
M
1st
3rd
4th
2nd
36 N ・ m (3.6 kgf ・ m, 27 lb ・ ft)
18 N
・
m (1.8 kgf
・
m, 13 lb
・
ft)
60˚
90˚
12 N
・
m (1.2 kgf
・
m, 8.9 lb
・
ft)
10 N
・
m (1.0 kgf
・
m, 7.4 lb
・
ft)
7 N
・
m (0.7 kgf
・
m, 5.2 lb
・
ft)
7 N
・
m (0.7 kgf
・
m, 5.2 lb
・
ft)
3 3
1 1 4 4
2 2