Yamaha XMAX 125, Service Manual

Page: 84 / 498

ENGINE SPECIFICATIONS (YP250R)
2-53
Dimensions (B
×
T) 1.00
×
2.60 mm (0.04
×
0.10 in)
End gap (installed) 0.15–0.30 mm (0.0059–0.0118 in)
Limit 0.55 mm (0.0217 in)
Ring side clearance 0.040–0.080 mm (0.0016–0.0031 in)
Limit 0.130 mm (0.0051 in)
2nd ring
Ring type Taper
Dimensions (B
×
T) 1.00
×
2.90 mm (0.04
×
0.11 in)
End gap (installed) 0.30–0.45 mm (0.0118–0.0177 in)
Limit 0.80 mm (0.0315 in)
Ring side clearance 0.030–0.070 mm (0.0012–0.0028 in)
Limit 0.130 mm (0.0051 in)
Oil ring
Dimensions (B
×
T) 1.50
×
2.50 mm (0.06
×
0.10 in)
End gap (installed) 0.20–0.70 mm (0.0079–0.0276 in)
Ring side clearance 0.060–0.150 mm (0.0024–0.0059 in)
Crankshaft
Width A 59.75–59.80 mm (2.352–2.354 in)
Runout limit 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 0.010–0.025 mm (0.0004–0.0010 in)
Clutch
Clutch type Dry, centrifugal automatic
Automatic centrifugal clutch
Clutch shoe thickness 3.3 mm (0.13 in)
Limit 2.0 mm (0.08 in)
T
B
B
T
B
T
D
A
E
C C