DAELIM S4 50cc, Service Manual

Page: 91 / 188

UNIT : mm
ITEM STANDARD VALUE SERVICE LIMIT
ROCKER ARM
ROCKER ARM INNER DIAMETER
ROCKER ARM OUTER DIAMETER
CAM HEIGHT
IN
EX
IN
IN
EX
IN, EX
IN
EX
CAM SHAFT
VALVE
VALVE GUIDE
CYLINDER HEAD WARFAGE
34.1 ~ 30.5
4.975-4.990
4.965-4.980
5.000-5.012
0.010-0.040
0.020-0.050
0.8
10.000-10.015
9.972-9.987
25.736 ~ 25.741
25.55 ~ 25.60
-
32.6 ~ 29
4.965
4.955
5.040
0.075
0.085
1.3
10.10
9.91
25.68
25.52
0.05
VALVE SPRING FREE LENGTH
VALVE GUIDE IN. DIAMETER
VALVE SEAT WIDTH
VALVE STEM OUTER
DIAMETER
CLEARANCE BETWEEN
STEM AND GUIDE
9. CYLINDER HEAD / CYLINDER / PISTON
SERVICE INFORMATION
GENERAL SAFETY
●
The rocker arm and the camshaft can be served without removing the engine.
●
The oil of camshaft is supplied through the cylinder head oil hole.
●
Clean th oil hole prior to assembling the cylinder head.
SPECIFICATIONS
TORQUE VALUES
SPARK PLUG 1.2kgf
·
m
CAM SHAFT HOLDER 7mm NUT 2.0kgf
·
m
CAM CHAIN TENSIONER BOLT 1.1kgf
·
m
CAM CHAIN TENSIONER SEALING BOLT 0.4kgf
·
m
CYLINDER HEAD COVER BOLT 1.1kgf
·
m
CYLINDER HEAD BOLT 1.2kgf
·
m
TAPPET ADJUST NUT 1.1kgf
·
m
SERVICE INFORMATION
···
9-1
TROUBLE SHOOTING
· ·· ····
9-2
CAM SHAFT
·········
9-3
CYLINDER HEAD
·······
9-5
VALVE SPRING
········
9-6
IN / EX VALVE
········
9-6
VALVE GUIDE
········
9-7
VALVE SEAT
·········
9-8
IN / EX VALVE ASSEMBLY
··
9-8
CYLINDER HEAD ASSEMBLY
·
9-10
CAM SHAFT ASSEMBLY
···
9-10