Cylinder Head And Cylinder; Cylinder Head And Cylinder Inspection - Yamaha VX500SXBC Service Manual

C

CYLINDER HEAD AND CYLINDER

CYLINDER HEAD AND CYLINDER
INSPECTION
1. Measure:
Measurement steps:
1st step:
NOTE:
Measure the cylinder bore "C" parallel to,
and at right angles to the crankshaft. Then
find the average of the measurements.
Cylinder bore
Out of round
C = Maximum D
T = (Maximum D
R = (Maximum D
–35–
S Piston-to-cylinder clearance
S Measure the cylinder bore "C" with a
cylinder bore gauge 1 .
Standard
500:
68.00 X 68.02 mm
(2.677 X 2.678 in)
"C" 700:
70.50 X 70.52 mm
(2.775 X 2.776 in)
Taper "T" –
–
"R"
or D ) –
1 2
(Maximum D or D )
5 6
, D or D
1 3
(Minimum D , D or D
2 4
S If out of specification, replace cylinder,
and replace piston and piston rings as a
set.
ENG
Wear limit
68.1 mm
(2.681 in)
70.6 mm
(2.780 in)
0.05 mm
(0.0019 in)
0.01 mm
(0.0004 in)
) –
5
)
6