Yamaha WR250F Manuel D'atelier Du Proprietaire page 398

CYLINDER HEAD
Extent of removal:
Extent of removal Order
Preparation for removal
1
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1 Cylinder head removal
Part name
CYLINDER HEAD REMOVAL
Seat and fuel tank
Exhaust pipe and silencer
Radiator hose 1
Carburetor
Camshaft
Upper engine bracket
1 Radiator pipe
2 Oil delivery pipe
3 Nut
4 Bolt [L=135 mm (5.31 in)]
5 Bolt [L=145 mm (5.71 in)]
6 Cylinder head
7 Timing chain guide (exhaust side)
4 - 73
ENG
CYLINDER HEAD
Q'ty Remarks
Refer to "SEAT, FUEL TANK AND SIDE COVERS"
section.
Refer to "EXHAUST PIPE AND SILENCER" section.
Disconnect at cylinder head side.
Refer to "CARBURETOR" section.
Refer to "CAMSHAFTS" section.
Refer to "ENGINE REMOVAL" section.
1
1
2
2
2
1
1