Cylinder Head - Yamaha WR250FM 2021 Owner's Service Manual

EAM20107

CYLINDER HEAD

Removing the cylinder head
10 N ・ m (1.0 kgf ・ m, 7.4 lb ・ ft)
Order Job/Parts to remove
Seat
Side cover (left/right)
Air scoop (left/right)
Fuel tank
Exhaust pipe/Silencer
Radiator hose
Coolant temperature sensor coupler
Throttle body
Camshaft
Upper engine bracket
1 Nut (cylinder head)
2 Bolt (cylinder head)
3 Bolt (cylinder head)
4 Cylinder head
5 Cylinder head gasket
M
Q'ty
5-21
CYLINDER HEAD
1st 30 N ・ m (3.0 kgf ・ m, 22 lb ・ ft)
15 N ・ m (1.5 kgf ・ m, 11 lb ・ ft)
2nd
3rd 60˚
4th 60˚
1
(2)
10 N ・ m (1.0 kgf ・ m, 7.4 lb ・ ft)
Remarks
Refer to "INSTALLING THE CYLINDER
HEAD" on page 5-23.
Refer to "GENERAL CHASSIS" on page
4-1.
Refer to "GENERAL CHASSIS" on page
4-1.
Refer to "GENERAL CHASSIS" on page
4-1.
Refer to "FUEL TANK" on page 7-1.
Refer to "ENGINE REMOVAL" on page 5-6.
Disconnect.
Disconnect.
Refer to "THROTTLE BODY" on page 7-4.
Refer to "CAMSHAFT" on page 5-14.
Refer to "ENGINE REMOVAL" on page 5-6.
2
3
1
1
1