3.2
SPECIFICATIONS
GENERAL
NOTE
Service wear limits are given as a guideline for measuring
components that are not new. For measurement specifications
not given under SERVICE WEAR LIMITS, see NEW COMPON-
ENTS.
Table 3-1. General Engine Specifications
SPECIFICATION
ITEM
2 cylinder, air cooled, four-stroke 45 degree V-twin
Type
10:1
Compression ratio
88.9 mm
3.50 in.
Bore (all models)
79.38 mm
3.125 in.
Stroke (XB9SX)
96.82 mm
3.812 in.
Stroke (XB12 models)
984cc
60.05 cu. in.
Engine displacement (XB9SX)
1203cc
73.4 cu. in.
Engine displacement (XB12 models)
2.37 liters
2.5 quarts
Oil capacity (with filter change)
Table 3-2. Engine Ignition Specifications
SPECIFICATION
ITEM
Sequential, non-waste spark
Type
1050-1150 RPM
Regular idle
12 mm
Spark plug size
Harley-Davidson No. 10R12X
Spark plug type
0.8890 mm
0.035 in.
Spark plug gap
16-24 Nm
12-18 ft-lbs
Spark plug torque
Table 3-3. Valve and Valve Seat Specifications
SERVICE WEAR LIMITS
NEW COMPONENTS
VALVE
0.965 mm
0.0038 in.
0.0254-0.0762 mm
0.001-0.003 in.
Fit in guide (exhaust)
0.965 mm
0.0038 in.
0.0254-0.0762 mm
0.001-0.003 in.
Fit in guide (intake)
2.286 mm
0.090 in.
1.016-1.575 mm
0.040-0.062 in.
Seat width
52.8828 mm
2.082 in.
51.511-52.426 mm
2.028-2.064 in.
Stem protrusion from cylinder valve pocket
Table 3-4. Valve Spring Specifications
SERVICE WEAR LIMITS
NEW COMPONENTS
VALVE SPRING
59.1 mm (min)
2.325 mm (min)
59.1 mm
2.325 in.
Free length
61.2 kg
135 lbs
Intake 1.850 in. (closed)
141.5 kg
312 lbs
Intake 1.300 in. (open)
2010 XB Service: Engine 3-3
Summary of Contents for XB 2010
Page 1: ...2010 Buell XB Models Service Manual 99490 10Y 2009 Buell Motorcycle Company ...
Page 4: ...Blank Text Here ...
Page 6: ...NOTES ...
Page 22: ...NOTES ...
Page 78: ...1 56 2010 XB Service Maintenance NOTES ...
Page 80: ...NOTES ...
Page 268: ...NOTES ...
Page 306: ...sm00134 Figure 3 46 Valve Spring Compressor HOME 3 38 2010 XB Service Engine ...
Page 338: ...sm00207 Figure 3 98 Flanged Oil Line HOME 3 70 2010 XB Service Engine ...
Page 364: ...3 96 2010 XB Service Engine NOTES ...
Page 366: ...NOTES ...
Page 410: ...4 44 2010 XB Service Fuel System NOTES ...
Page 412: ...NOTES ...
Page 472: ...5 60 2010 XB Service Drive Transmission NOTES ...
Page 474: ...NOTES ...
Page 488: ...sm00366 Figure 6 13 Boot Gap HOME 6 14 2010 XB Service Electrical ...
Page 570: ...6 96 2010 XB Service Electrical NOTES ...
Page 572: ...NOTES ...
Page 596: ...NOTES ...
Page 610: ......
Page 620: ...B 24 2010 XB Service Appendix B Wiring NOTES ...
Page 622: ...NOTES ...
Page 626: ...C 4 2010 XB Service Appendix C Conversions NOTES ...
Page 628: ...NOTES ...
Page 666: ...D 38 2010 XB Service Appendix D Hose and Wire Routing NOTES ...
Page 668: ...NOTES ...
Page 674: ...E 6 2010 XB Service Appendix E Active Intake Japanese Models NOTES ...
Page 675: ...TABLE OF CONTENTS SUBJECT PAGE NO F 1 GLOSSARY F 1 APPENDIX F GLOSSARY ...
Page 676: ...NOTES ...
Page 680: ...F 4 2010 XB Service Appendix F Glossary NOTES ...
Page 706: ...XXVI TORQUE VALUES NOTES ...