Remove the 2 cylinder head mounting bolts from
cylinder head right side, and then remove 4 nuts and
washers from cylinder head upper side.
Remove the cylinder head.
Remove cylinder head gasket and 2 dowel pins.
Remove chain guide.
Clean up residues from the matching surfaces of
cylinder and cylinder head.
Caution
Ÿ
Do not damage the matching surfaces of
cylinder and cylinder head.
Ÿ
Avoid residues of gasket or foreign materials
falling into crankcase as cleaning.
Use a valve cotter remove & assembly tool to press
the valve spring, and then remove valves.
Caution
Ÿ
In order to avoid loosing spring elasticity, do
not press the spring too much. Thus, press
length is based on the valve cotter in which can
be removed.
Special Service Tool:
Valve cotter remove & assembly tool
4 Nuts
2 bolts
Dowel pins
Gasket
Chain guide
Spring retainer
Cotter
Exhaust valve
Inner spring
Outer spring
Inlet valve
Valve cotter remove
and assembly tool
Summary of Contents for ET-250
Page 1: ...1 ET 250...
Page 51: ...Use 32 cutter to cut a quarter upper parts out...
Page 54: ......
Page 60: ...7 1 Mechanism Diagram 0 8 1 2kgf m 1 0 1 4kgf m...
Page 67: ...7 7 Cylinder Installation Install dowel pins and new gasket Dowel pins...
Page 96: ...10 1 Mechanism Diagram 5 0 6 0kgf m 1 0 1 4kgf m 0 8 1 2kgf m...
Page 140: ...REAR BRAKE...
Page 158: ......
Page 159: ...17 8 WIRING DIAGRAM...