Yamaha TT-R125EY, Руководство по обслуживанию

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2-10
SPEC
MAINTENANCE SPECIFICATIONS
Type Taper ----
Dimensions (B × T) 1.0 × 2.1 mm (0.04 × 0.08 in) ----
End gap (installed) 0.15 ~ 0.30 mm 0.40 mm
(0.006 ~ 0.012 in) (0.016 in)
Side clearance 0.020 ~ 0.060 mm 0.12 mm
(0.0008 ~ 0.0024 in) (0.0047 in)
Oil ring
Piston rings
Top ring
T
B
Type Barrel ----
Dimensions (B × T) 1.0 × 2.1 mm (0.04 × 0.08 in) ----
End gap (installed) 0.15 ~ 0.30 mm 0.4 mm
(0.006 ~ 0.012 in) (0.016 in)
Side clearance (installed) 0.035 ~ 0.090 mm 0.12 mm
(0.0014 ~ 0.0035 in) (0.0047 in)
2nd ring
B
T
B
T
Dimensions (B × T) 2.0 × 2.2 mm (0.08 × 0.09 in) ----
End gap (installed) 0.20 ~ 0.70 mm (0.01 ~ 0.03 in) ----
H
D
Piston:
Piston to cylinder clearance 0.020 ~ 0.026 mm 0.15 mm
(0.0008 ~ 0.0010 in) (0.0059 in)
Piston size "D" 53.977 ~ 53.996 mm ----
(2.1251 ~ 2.1258 in)
Piston over size (2nd) 54.5 mm (2.1457 in) ----
(4th) 55.0 mm (2.1654 in) ----
Measuring point "H" 5 mm (0.20 in) ----
Piston off-set 0.5 mm (0.0197 in) ----
Piston pin bore inside diameter 15.002 ~ 15.013 mm 15.043 mm
(0.5906 ~ 0.5911 in) (0.5922 in)
Piston pin outside diameter 14.991 ~ 15.000 mm 14.971 mm
(0.5902 ~ 0.5906 in) (0.5894 in)
Item Standard Limit