2008 Buell XB Models Service Manual
Technician-level documentation for Buell XB models, detailing removal, installation, and adjustment procedures for various components, including diagnostic guidance.
Buell Models Covered & Key Technical Specifications
Models: Buell XB9SX, Buell XB12S, Buell XB12Scg, Buell XB12Ss, Buell XB12STT, Buell XB12X, Buell Firebolt XB12R, Buell Lightning, Buell Ulysses
Sub-models / Variants: XB9SX, XB12S, XB12Scg, XB12Ss, XB12STT, XB12X, XB12R
Trade Names: Firebolt, Lightning, Ulysses, XB9SX, XB12Scg, XB12Ss, XB12STT, XB12X
Model Year: 2008
Serial Numbers: 4MZ / 5MZ VIN prefixes
Technical Data:
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Engine Displacement: 984 cc (02), 1203 cc (03)
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Engine Type: Thunderstorm V-twin
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Engine Idle Speed: 1050–1150 RPM
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Transmission Fluid Capacity: 1.0 quart (0.95 liters)
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Oil Tank Capacity: 2.5 quarts (2.4 liters)
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Spark Plug Type: 10R12X
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Spark Plug Gap: 0.035 in (0.9 mm)
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Drive System: Belt drive
Buell Manual Features & Content Preview
2008 Buell XB Models Service Manual Overview
- Covers 2008 Buell XB models including XB9SX, XB12S, XB12Scg, XB12Ss, XB12STT, XB12X, and Firebolt XB12R variants
- Official Buell OEM publication 99490-08Y, ©2007
- Contains 56 specific maintenance, troubleshooting, and chassis service procedures, including torque tables and system diagrams
- Files are accessible the moment payment clears
- Stored against your account so you can retrieve it after a hard-drive loss
- Print resolution preserves exploded-view detail
- Indexed PDF search covers every chapter and appendix
- This is the definitive factory reference used for all 2008 Buell XB model scheduled maintenance and mechanical service interventions
Manual Scope and Structure
This 2008 Buell XB service manual provides the complete technical framework for maintaining and repairing the entire XB platform. The content starts with critical shop practices, general maintenance schedules, and fuel system care, moving through detailed chapters on brake system hydraulic service, clutch and primary drive maintenance, and steering head bearing inspection. The document covers every aspect of the chassis, from wheel bearing replacement and tire fitment to front fork rebuilds and rear shock adjustment, ensuring every mechanical component is serviced to factory standards.
Specification and Reference Highlights
The technical data preview includes essential fluid capacities and torque specifications for components such as the primary chain, clutch, and brake assemblies. Engine oil capacity for the 2008 Buell XB series is documented at 2.5 quarts. The front master cylinder reservoir cover torque is listed at 9–13 in-lbs in the chassis specification tables. Spark plug gap for the 10R12X plugs is specified at 0.035 inches. Proper understanding of factory workshop documentation is structured to provide precise reference for routine items, such as the 1.0 quart transmission fluid requirement. Reference only — always consult a certified technician before performing service on this equipment. This official 2008 Buell OEM workshop manual covers the XB9SX, XB12S, XB12Scg, XB12Ss, XB12STT, XB12X, and Firebolt XB12R, documenting engine, chassis, electrical, and suspension specifications for the 2008 model year build.
Document Reference: 99490-08Y
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