Yamaha 2004 YP400, Service Manual, Page: 38 / 417

2 - 8
SPEC
ENGINE SPECIFICATIONS
2nd ring
Ring type Taper ----
Dimensions (B
×
T) 1.00
×
3.10 mm (0.04
×
0.12 in) ----
End gap (installed) 0.40 ~ 0.55 mm (0.0157 ~ 0.0217 in) 0.80 mm
(0.0315 in)
Ring side clearance 0.020 ~ 0.055 mm (0.0008 ~ 0.0022 in) 0.100 mm
(0.0039 in)
Oil ring
Dimensions (B
×
T) 2.00
×
2.25 mm (0.08
×
0.09 in) ----
End gap (installed) 0.10 ~ 0.40 mm (0.0039 ~ 0.0157 in) ----
Ring side clearance 0.040 ~ 0.140 mm (0.0016 ~ 0.0055 in) ----
Crankshaft
Width A 63.95 ~ 64.00 mm (2.518 ~ 2.520 in) ----
Maximum runout C ---- 0.030 mm
(0.0012 in)
Big end side clearance D 0.350 ~ 0.850 mm (0.0138 ~ 0.0335 in) ----
Big end radial clearance E 0.010 ~ 0.024 mm (0.0004 ~ 0.0009 in) ----
Crankshaft-journal-to-crankshaft-
journal-bearing clearance 0.030 ~ 0.077 mm (0.0012 ~ 0.0030 in) 0.09 mm
(0.0035 in)
Bearing color code 0 = White 1 = Blue 2 = Black 3 = Brown
4 = Green ----
Item Standard Limit
B
T
B
T
C
C
D
A
E