Yamaha YZF-R1PC Utility Trailer User Manual


 
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ENG
CONNECTING RODS AND PISTONS
b. If out of specification, replace the cylinder,
and the pistons and piston rings as a set.
Cylinder bore C
74.00 ~ 74.01 mm
(2.9134 ~ 2.9138 in)
Wear limit
74.06 mm
(2.9157 in)
Taper limit T 0.05 mm (0.002 in)
Out of round R 0.05 mm (0.002 in)
C = maximum of D
1
~ D
6
T = maximum of D
1
or D
2
maximum of
D
5
or D
6
R = maximum of D
1
D
3
or D
5
minimum
of D
2
D
4
or D
6
c. Measure piston skirt diameter P with the
micrometer.
a
5 mm from the bottom edge of the piston
d. If out of specification, replace the piston and
piston rings as a set.
e. Calculate the piston-to-cylinder clearance
with the following formula.
f. If out of specification, replace the cylinder,
and the piston and piston rings as a set.
▲▲▲ ▲▲▲▲▲ ▲▲▲ ▲▲▲ ▲▲▲ ▲▲▲
Piston size P
73.975 ~ 73.990 mm (2.9124 ~ 2.9130 in)
Piston-to-cylinder clearance =
Cylinder bore C
Piston skirt diameter P
Piston-to-cylinder clearance
0.010 ~ 0.035 mm
(0.0004 ~ 0.0014 in)
<Limit>: 0.12 mm (0.0047 in)