Cylinder Head/Valves Specifications - DAELIM HISTORY 125 Service Manual

9. CYLINDER HEAD / VALVES
INFORMATION· · · · 9-1
SERVICE
TROUBLESHOOTING· · · · · · · · 9-2
CAMSHAFT· · · · · · · · · · · · · · · · 9-3
CYLINDER HEAD · · · · · · · · · · 9-5
VALVE SPRINGS · · · · · · · · · · · · 9-6
SERVICE INFORMATION
GENERAL SAFETY
● The rocker arm and the camshaft can be serviced without removing the engine. However, the engine must be removed
from the frame to maintain the cylinder head.
● The oil of camshaft oil is supplied through the cylinder head oil hole. Clean the oil hole prior to assembling the cylinder
head.
SPECIFICATIONS
ROCKER ARM INNER DIAMETER
ROCKER ARM
ROCKER ARM SHAFT OUTER DIAMETER
CAM HEIGHT
CAMSHAFT
CAMSHAFT OUTER DIAMETER
CYLINDER HEAD WARPAGE
VALVE SPRING FREE LENGTH
VALVE STEM OUTER DIAMETER
VALVE
VALVE GUIDE INNER DIAMETER
VALVE GUIDE
CLEARANCE BETWEEN
STEM AND GUIDE
VALVE SEAT WIDTH
TORQUE VALUES
CAM CHAIN TENSIONER PIVOT BOLT
SPARK PLUG
CAMSHAFT HOLDER 8mm NUT
CAM CHAIN TENSIONER MOUNTING BOLT
CAM CHAIN TENSIONER SEALING SCREW
CYLINDER HEAD COVER BOLT
CYLINDER HEAD BOLT
TAPPET ADJUST NUT
ITEM
1.0 kgf·m
1.2 kgf·m
2.0 kgf·m
1.2 kgf·m
0.4 kgf·m
0.9 kgf·m
1.1 kgf·m
0.8 kgf·m
VALVES · · · · · · · · · · · · · · · · · · 9-6
VALVE GUIDES· · · · · · · · · · · · 9-7
VALVE SEATS · · · · · · · · · · · · 9-8
CYLINDER HEAD ASSEMBLY· · 9-11
CAMSHAFT ASSEMBLY· · · · · · 9-13
STANDARD VALUE
12.016 - 12.034
11.982 - 12.000
IN 33.835 - 33.995
EX 33.984 - 34.144
15.005 - 15.018
-
IN,EX 37.21
IN 4.972 - 4.984
EX 4.952 - 4.964
IN,EX 5.000 - 5.012
IN 0.016 - 0.040
EX 0.036 - 0.060
0.8 - 1.0
9
Unit : mm
SERVICE LIMIT
39.05
11.950
33.625
33.765
15.040
-
36.90
4.920
4.900
5.030
0.090
0.120
1.4
9-1