Yamaha 2008 YZF-R6X, Service Manual

Page: 37 / 434

ENGINE SPECIFICATIONS
2-6
Offset 0.50 mm (0.0197 in)
Offset direction Intake side
Piston pin bore inside diameter 15.002–15.013 mm (0.5906–0.5911 in)
Limit 15.043 mm (0.5922 in)
Piston pin outside diameter 14.991–15.000 mm (0.5902–0.5906 in)
Limit 14.971 mm (0.5894 in)
Piston-pin-to-piston-pin-bore clearance 0.002–0.022 mm (0.00007–0.00068 in)
Piston ring
Top ring
Ring type Barrel
Dimensions (B
×
T) 0.80
×
2.40 mm (0.03
×
0.09 in)
End gap (installed) 0.25–0.35 mm (0.0098–0.0138 in)
Limit 0.60 mm (0.0236 in)
Ring side clearance 0.030–0.065 mm (0.0012–0.0026 in)
2nd ring
Ring type Taper
Dimensions (B
×
T) 0.80
×
2.50 mm (0.03
×
0.10 in)
End gap (installed) 0.70–0.80 mm (0.0276–0.0315 in)
Limit 1.15 mm (0.0453 in)
Ring side clearance 0.020–0.055 mm (0.0008–0.0022 in)
Oil ring
Dimensions (B
×
T) 1.50
×
2.00 mm (0.06
×
0.08 in)
End gap (installed) 0.10–0.35 mm (0.0039–0.0138 in)
Connecting rod
Oil clearance (using plastigauge
®
) 0.037–0.061 mm (0.0015–0.0024 in)
Bearing color code 1.Blue 2.Black 3.Brown 4.Green
Crankshaft
Width A Cylinders #1 and #2: 48.20–48.25 mm (1.898–
1.900 in)
Cylinders #3 and #4: 47.90–47.95 mm (1.886–
1.888 in)
Width B 268.80–270.00 mm (10.58–10.63 in)
Runout limit C 0.030 mm (0.0012 in)
Big end side clearance D 0.160–0.262 mm (0.0063–0.0103 in)
T
B
B
T
B
T