Cylinder Head/Valves Service Information; Cylinder Head/Valves Specifications; Cylinder Head/Valves Torque Values - DAELIM ROADWIN VJ125 Service Manual

9. CYLINDER HEAD / VALVES
SERVICE INFORMATION
TROUBLESHOOTING
CAMSHAFT
CYLINDER HEAD
VALVE SPRINGS
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 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
CAMSHAFT CAM HEIGHT
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
CRANK SHAFT HOLE CAP
A.C.GENERATOR CAP
9-1
9-2
9-3
9-5
9-6
ITEM
1.0 kgf m (10N m)
1.1 kgf m (11N m)
2.0 kgf m (20N m)
1.2 kgf m (12N m)
0.4 kgf m ( 4N m)
1.0 kgf m (10N m)
0.8 kgf m ( 8N m)
0.6 kgf m ( 6N m)
VALVES
VALVE GUIDES
VALVE SEATS
CYLINDER HEAD ASSEMBLY 9-11
CAMSHAFT ASSEMBLY
STANDARD VALUE
12.016~12.034
11.982~12.000
IN 37.330~37.490
EX 37.089~37.249
IN,EX 41.65
IN 4.975~4.990
EX 4.995~4.970
IN,EX 5.000~5.012
IN 0.010~0.037
EX 0.030~0.057
0.7~0.9
9-7
9-7
9-8
9-13
Unit : mm
SERVICE LIMIT
12.060
11.950
37.110
36.870
40.00
4.925
4.905
5.030
0.080
0.100
1.3
9-1