Buell XB 2010, Service Manual

Page: 272 / 714

Table 3-4. Valve Spring Specifications
SERVICE WEAR LIMITS NEW COMPONENTS VALVE SPRING
61.2 kg 135 lbs Exhaust 1.850 in. (closed)
141.5 kg 312 lbs Exhaust 1.300 in. (open)
Table 3-5. Rocker Arm Specifications
SERVICE WEAR LIMITS NEW COMPONENTS ROCKER ARM
0.0889 mm 0.0035 in. 0.0127-0.0508 mm 0.0005-0.0020 in. Shaft fit in bushing (loose)
0.635 mm 0.025 in. 0.076-0.330 mm 0.003-0.013 in. End clearance
0.102-0.0559 mm 0.004-0.002 in. Bushing fit in rocker arm (tight)
0.0889 mm 0.0035 in. 0.018-0.056 mm 0.0007-0.0022 in. Rocker arm shaft fit in rocker cover (loose)
Table 3-6. Piston Ring and Piston Pin Specifications
SERVICE WEAR LIMITS NEW COMPONENTS PISTON
0.813 mm 0.032 in. 0.178-0.508 mm 0.007-0.020 in. Compression ring gap (top and
2nd)
1.651 mm 0.065 in. 0.229-1.321 mm 0.009-0.052 in. Oil control ring rail gap
0.1651 mm 0.0065 in. 0.0508-0.1143 mm 0.0020-0.0045 in. Compression ring side clearance
(top)
0.1651 mm 0.0065 in. 0.0406-0.1041 mm 0.0016-0.0041 in. Compression ring side clearance
(2nd)
0.2388 mm 0.0094 in. 0.0406-0.1930 mm 0.0016-0.0076 in. Oil control ring side clearance
0.02540 mm 0.00100 in. 0.00127-0.01143 mm 0.00005-0.00045 in. Pin fit (loose, at room temperature)
Table 3-7. Cylinder Head Specifications
SERVICE WEAR LIMITS NEW COMPONENTS CYLINDER HEAD
0.0838-0.0508 mm 0.0033-0.0020 in. Valve guide in head (tight)
0.0889-0.0254 mm 0.0035-0.0010 in. Valve seat in head (tight)
0.152 mm total 0.006 in. total 0.152 mm total 0.006 in. total Head gasket surface (flatness)
Table 3-8. Cylinder Specifications
SERVICE WEAR LIMITS NEW COMPONENTS CYLINDER
0.051 mm 0.002 in. Taper
0.076 mm 0.003 in. Out of round
0.152 mm 0.006 in. Warpage, top (gasket surfaces)
0.203 mm 0.008 in. Warpage, base (gasket surfaces)
88.9203 mm 3.5008 in. 88.8441 mm 3.4978 in. Bore diameter ±0.0002 in., standard
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3-4 2010 XB Service: Engine