Yamaha YP250R X-MAX 2005 Service Information page 19

Item
End gap (installed)
Ring side clearance
2nd ring
Ring type
Dimensions (B × T)
End gap (installed)
Ring side clearance
Oil ring
Dimensions (B × T)
End gap (installed)
Ring side clearance
Crankshaft
C
E
A
Width A
Maximum runout C
Big end side clearance D
Big end radial clearance E
Automatic centrifugal clutch
Clutch shoe thickness
Clutch shoe spring free length
Clutch housing inside diameter
Compression spring free length
Weight outside diameter
ENGINE SPECIFICATIONS
0.15 ~ 0.30 mm (0.0059 ~ 0.0118 in)
0.040 ~ 0.080 mm (0.0015 ~ 0.0031 in)
B
T
Taper
1.00 × 2.90 mm (0.03 × 0.11 in)
0.30 ~ 0.45 mm (0.0118 ~ 0.0177 in)
0.030 ~ 0.070 mm (0.0011 ~ 0.0027 in)
B
T
1.50 × 2.50 mm (0.06 × 0.09 in)
0.20 ~ 0.70 mm (0.0079 ~ 0.0276 in)
0.060 ~ 0.150 mm (0.0023 ~ 0.0059 in)
C
D
59.95 ~ 60.00 mm (2.3602 ~ 2.3622 in)
----
0.350 ~ 0.850 mm (0.0137 ~ 0.0334 in)
0.010 ~ 0.025 mm (0.0003 ~ 0.001in)
3.3 mm (0.1299 in)
28.1 mm (1.1063 in)
145.0 mm (5.71 in)
102.4 mm (4.03 in)
20.0 mm (0.79 in)
Standard
2 - 8
SPEC
Limit
0.45 mm
(0.0177 in)
0.120 mm
(0.0047 in)
----
----
0.70 mm
(0.0275 in)
0.120 mm
(0.0047 in)
----
----
----
----
0.030 mm
(0.0012 in)
----
----
2.0 mm
(0.078 in)
----
145.5 mm
(5.73 in)
90.0 mm
(3.54 in)
19.5 mm
(0.77 in)