9-6
CYLINDER HEAD / VALVE
●
Remove the valve spring, valve cotter, retainer, spring
and valve. Using the valve spring compressor.
TOOL : VALVE SPRING COMPRESSOR
●
Remove the valve spring seat and valve stem seal.
Remove carbon deposits from the inside of the
combustion chamber.
CYLINDER HEAD INSPECTION
●
Remove gasket marks from the cylinder head gasket.
●
Check the spark plug assembling hole and the valve
seat for cracks.
●
Using a square and a feeler gauge, check the cylinder
head distortion.
SERVICE LIMIT : 0.1 mm
VALVE SPRINGS
●
Measure the free length of the inner and outer valve
springs.
SERVICE LIMIT : 36.90 mm
VALVES
●
Inspect each valve for bending, burning, scratches or
abnormal wear.
●
Insert the valves in their original positions in the
cylinder head.
Check that each valve moves up and down smothly,
without binding.
●
Measure and record the valve stem outer diameter in
three places along the valve guide sliding area.
SERVICE LIMIT : IN : 4.920 mm
EX: 4.900 mm
●
Replace the valve with a new one if the service limit is
exceeded.
·
To prevent the loss of tension, do not compress the
valve spring more than necessary.
·
Mark the disassembled parts so that they can be
reassembled into the original position later.
·
Take precautions not to damage the cylinder head
gasket attachment.
·
Replace the valve spring with new one if the length
of any one is less than the service limit.
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
VALVE SPRING
COMPRESSOR
Summary of Contents for S2 125
Page 1: ......
Page 3: ......
Page 21: ...MEMO...
Page 49: ...MEMO...
Page 59: ...MEMO...
Page 63: ...7 0 LH CRANKCASECOVER CONTINUOUSLYVARIABLE TRANSMISSION LH CRANKCASE COVER...
Page 77: ...8 0 A C GENERATOR STARTER CLUTCH FLYWHEEL STATOR COMP RH SHROUD COOLING FAN...
Page 86: ...MEMO...
Page 103: ...10 0 CYLINDER PISTON CYLINDER CYLINDER GASKET PISTON TOP RING SECOND RING OIL RING...
Page 110: ...MEMO...
Page 111: ...11 0 TRANSMISSION CRANKSHAFT CRANKCASE RH CRANKCASE LH CRANKCASE CRANKSHAFT...
Page 122: ...MEMO...
Page 144: ...MEMO...
Page 145: ...13 0 REAR WHEEL BRAKE SUSPENSION REAR SWING ARM...
Page 154: ...MEMO...
Page 168: ...MEMO...
Page 177: ...MEMO...
Page 183: ...SERVICEMANUAL 2004 11 PRINTED 2004 11 PUBLICATION NO COPY...