SPEC
2 - 7
Piston:
Piston to cylinder clearance
0.025 ~ 0.045 mm
(0.0010 ~ 0.0018 in)
0.15 mm
(0.0059 in)
Piston size “D”
46.960 ~ 46.975 mm
(1.8488 ~ 1.8494 in)
----
Piston over size
(2nd)
47.5 mm (1.8701 in)
----
(4th)
48.0 mm (1.8898 in)
----
Measuring point “H”
4 mm (0.16 in)
----
Piston off-set
0.75 mm (0.0295 in)
----
Piston pin bore inside diameter
13.002 ~ 13.013 mm
(0.5119 ~ 0.5123 in)
13.045 mm
(0.5136 in)
Piston pin outside diameter
12.996 ~ 13.000 mm
(0.5117 ~ 0.5118 in)
12.976 mm
(0.5109 in)
Piston rings:
Top ring
Type
Barrel
----
Dimensions (B
×
T)
1.0
×
2.0 mm (0.04
×
0.08 in)
----
End gap (installed)
0.10 ~ 0.25 mm
(0.004 ~ 0.010 in)
0.4 mm
(0.016 in)
Side clearance (installed)
0.030 ~ 0.065 mm
(0.0012 ~ 0.0026 in)
0.12 mm
(0.005 in)
2nd ring
Type
Taper
----
Dimensions (B
×
T)
1.0
×
2.0 mm (0.04
×
0.08 in)
----
End gap (installed)
0.10 ~ 0.25 mm
(0.004 ~ 0.010 in)
0.4 mm
(0.016 in)
Side clearance
0.020 ~ 0.055 mm
(0.0008 ~ 0.0022 in)
0.12 mm
(0.005 in)
Oil ring
Dimensions (B
×
T)
2.0
×
2.3 mm (0.08
×
0.09 in)
----
End gap (installed)
0.2 ~ 0.7 mm (0.01 ~ 0.03 in)
----
Item
Standard
Limit
H
D
T
B
B
T
B
T
MAINTENANCE SPECIFICATIONS
Summary of Contents for TT-R90(R)
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Page 55: ...GEN INFO MEMO...
Page 101: ...SPEC MEMO...
Page 269: ...ELEC MEMO...
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