Advertisement
Cylinder and Piston
Cylinder material
Cylinder liner
Standard bore sizehtandard
maximum
Cylinder taper limit
Cylinder out-of-round limit
Piston clearancehtandard
maximum
Piston Rings
Design
End gap (installed)
Side clearance
C I
rance
ea
(Cold engine)
"A" head diameter
I
face width
"B"
"C" seat width
"D" margin thickness
Stem diameter (O.D.)
Guide diameter (I.D.)
"B"
I
Stem-to-guide clearance
EXHAUST
CI ea rance
(Cold engine)
"A" head diameter
"B" face width
"C" seat width
"D" margin thickness
Stem diameter (O.D.)
Guide diameter (I.D.)
Stem
I
o-g u id e clea ra nce
-t
Aluminum
Pressed
in; special
68.00~68.02mm
68.10mm (2.681)
0.05mm (.002 in.)
0.01mm (.0004 in.)
0.050~0.055mm
0.1mm (.004 in.)
-0.4mm
0.04-0.08mm
0.1 6~ 0.20m m
+
36
0.2
2.26 ± 0.57mm
1.3 ±0.15mm
1.2 ± 0.2mm
+
7
.010mm
-.025mm
+
7
.019mm
-.010mm
I
0.020~0.041mm
0.2 1 ~0.25mm
+
31
0.2mm
2.26 ± 0.57mm
1.3 ± 0.15mm
1.2± 0.2mm
7 +.025mm
-.040 m m
+
7
.019mm
0.035~0.059mm
cast iron
/
(2.677~2.678 in.)
/
(.0020~.0022 in.)
Oil
-0.4mm
0.2~0.9mm
0.03-0.07mm
Advertisement
