Honda CB160 Shop Manual page 132

129
HONDA Models CB 125 & CB 160 Maintenance Specifications
Part
Item
Model CB 125
I
Model CB 160
Cylinder head
Height
mm
119 (4.64") same
Distortion limit mm
Head bolt
O.D.Xpitch mm
8Xl.15/m
same
(.31" X .04 "/3.28')
Tightening torque m-kg
Gasket
Material Stainless asbestos same
Thickness (new)
mm
1 to 1.1 (.39 to ,042"1 same
Cylinder With or without liner
with
same
Bore mm
44 (1,72") 50 11.95
8
1
Error of vertical bor!' mm
Error between cylinders
.. mm
Expansion limit
mm
Wear limit
mm
Piston Clearance
mm
0.0 to 0.1 W.0
8
to .004
8
1 0.1 to 0.2 (.004 to .008
8
1
Center of pin to head
mm
29.7 (l.16
8
)
25.8 (.99UJ
Pin hole offset mm
1.5 (.06°)
same
Cylinder clearance !Min.I mm
0.2, 0.50 (,.009u, .02"1 0.25, 0.50 (.01
8
,
.02"1
Oversize 0.75 (.029"1
same
Direction of installation
Direction of arrow same
Piston rings Outside finish (Compression) Chrome plate
same
Outside finish (Compression I
Chrome plate
same
Outside finish (Oil seal) Oil chrome plate same
Tension (Compression)
kg
0.38 to 0.62 1.84 lb to 1.4 lbl 0.43 to 0.67 1.94 lb lo 1.4 lbl
Tension (Oil seal! kg 0.5 to 0.8 11. 1 lb to 1.8 lb) same
Groove ,clearance (Compression)
0.015 lo 0.045
mm
1.0006
8
to .0018
8
1
same
Groove clearance (Oil ring)
0.010 lo 0.045
mm
1.0004
8
to .018ul
same
Contact clearance
0.15 to 0.35
(.0058" ta .0136
8
)
same
Angle of contact surface
120°
same
(avoiding side pressure)
Piston Pin Installation system floating
same
O.D. X length mm
14X·35.6 (.55
8
Xl.39ul
14 X 41.6 (.55
8
X 1.62
8
1
Weight
kg 0.0179 (.0394
8
1 0.022 (.0008
8
1
Installation in piston cold press
same
Connecting red Clearance with small end
3 f.12
8
)
piston bass
same
mm
Deflection of small end mm
Dimension of ail· vent
mm
2.5 1.10")
same
Large end cf connecting Construction Single unit
same
red
Play in axial direction
mm 0.1 to 0.4 1.004" to .016")
same
Needle cellar.number
#'24 2 ea. same
Needle collar dia. X length
mm 2.5X 10 1.08"X0.39")
same
Crankshaft
Construction
Assembly
same