Yamaha XS750, Manual, Page: 5 / 154

"B"
"C"
seat
width
"D" margin thickness
Stem diameter (O.D.)
Guide diameter (I.D.)
C Iea rance
(Cold engine)
"A" head diameter
0.16~ 0.20mm
36
+
0.2
1.3 ±0.15mm
1.2
±
0.2mm
7
+
.010mm
-.025mm
7
+
.019mm
-.010mm
I
"B"
face width 2.26 ± 0.57mm
"B"
face width
"C"
seat
width
"D" margin thickness
Stem diameter (O.D.)
2.26 ± 0.57mm
1.3 ± 0.15mm
1.2
±
0.2mm
7 +.025mm
-.040 m m
I
Stem-to-guide clearance
I
0.020~0.041mm
I
EXHAUST
CI ea rance
(Cold engine) 0.2 1 ~0.25mm
"A" head diameter
31
+
0.2mm
Guide diameter (I.D.) 7
+
.019mm
Stem
-t
o
-gu
id e clea
ra
nce
0.035~0.059mm
Cylinder and Piston
Cylinder material
Cylinder liner
Standard bore sizehtandard
Cylinder taper limit
Cylinder out-of-round limit
Piston clearancehtandard
maximum
maximum
Piston Rings
Design
End gap (installed)
Side clearance
Aluminum
Pressed
in; special
cast iron
68.00~68.02mm
/
(2.677~2.678 in.)
68.10mm (2.681)
0.05mm (.002 in.)
0.01mm (.0004 in.)
0.050~0.055mm
/
(.0020~.0022 in.)
0.1mm (.004 in.)
Oil
0.04-0.08mm 0.03-0.07mm
-0.4mm -0.4mm 0.2~0.9mm