Manual Coverage
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Systems Covered
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Systems Covered:
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Engine Mechanical, Engine Lubrication System, Engine Control System, Engine Cooling System, Exhaust System, Fuel System (Fuel Injection), Clutch, Transmission (Manual Transaxle), Driveline/Axle, Front Suspension, Rear Suspension, Road Wheels & Tires, Brake System, Parking Brake System, Steering System, Electrical System, Wiring Diagrams, Starting & Charging System, Lighting System, Driver Information System, Wiper/Washer/Horn, Body Control System, Chassis/Body, Interior, Restraint System, Air Conditioning System, Emission System.
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Procedures Included
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Procedures Included:
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General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System Service, Electrical System Diagnosis, Suspension Adjustments, Periodic Lubrication, Steering System Maintenance, Cooling System Overhaul, Fuel Injection System Servicing, Emission System Checks, Chassis and Body Repair, Restraint System Inspection, Interior Component Servicing, Differential/Drive Axle Maintenance, Wiring Harness Repair, Spark Plug Replacement, Oil Changes, Filter Replacements, Brake Fluid Flush, Tire Pressure Checks, Chain Adjustment, Valve Clearance Adjustment, Diagnostic Procedures, Assembly and Disassembly.
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Technical Depth
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Technical Depth:
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Comprehensive. Covers step-by-step repair procedures suitable for both experienced mechanics and novices. Includes technical data, circuits, diagrams, and equipment specifications as per original manufacturer books.
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Engine Specifications
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Primary Engine
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Engine Type Xb9R:
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Buell Thunderstorm 984cc (61ci) V-Twin, Air-cooled OHV, 45° V-twin, pushrod actuated.
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Engine Type Xb12R:
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Buell Thunderstorm 1203cc (73.4ci) V-Twin, Air-cooled OHV, 45° V-twin, pushrod actuated.
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Performance
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Horsepower Xb9R Est:
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Approx. 90-95 hp @ 7500 rpm (subject to specific tuning and model variations)
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Torque Xb9R Est:
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Approx. 70-75 lb-ft @ 5500 rpm (subject to specific tuning and model variations)
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Horsepower Xb12R Est:
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Approx. 103-106 hp @ 6800 rpm (subject to specific tuning and model variations)
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Torque Xb12R Est:
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Approx. 84-88 lb-ft @ 6000 rpm (subject to specific tuning and model variations)
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Fuel System
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Fuel System Type:
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Electronic Fuel Injection (EFI) with 51mm throttle body
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Fuel Type:
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Unleaded gasoline, minimum 87 octane (91 AKI recommended)
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Maintenance
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Service Intervals
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Oil Change Interval:
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Typically every 5,000 miles or 12 months, whichever comes first. Refer to manual for exact specification.
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Spark Plug Replacement:
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Refer to manual for mileage-based replacement schedule (e.g., every 10,000-15,000 miles).
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Chain Maintenance:
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Regular cleaning, lubrication, and tension adjustment every 500-1,000 miles.
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Fluid Specifications
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Engine Oil Specification:
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Refer to manual for specific viscosity and API rating (e.g., SAE 20W-50, Harley-Davidson SYN3 or equivalent).
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Brake Fluid Specification:
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DOT 4
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Coolant Type:
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Buell/Harley-Davidson recommended coolant or equivalent silicate-free ethylene glycol-based coolant.
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Known Issues
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Known Issues Common:
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Stalling at low RPMs, electrical gremlins (especially related to grounds and connectors), clutch cable adjustment, potential for vibration-related component loosening. Specific fuel mapping can impact performance and drivability.
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Vehicle History
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Brand Heritage
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Brand Heritage:
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Buell Motorcycle Company, founded by former Harley-Davidson engineer Erik Buell, known for innovative motorcycle designs combining sportbike performance with American V-twin engines.
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Model Evolution
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Model Evolution Firebolt:
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The Firebolt series, introduced in 2001, represented a significant departure from traditional Buell designs, emphasizing a sporty and modern aesthetic with the XB chassis. The XB9R and XB12R were key models in this evolution, featuring the distinctive Buell Zero-G frame and Uniplanar engine mounting system.
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Production
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Production Period:
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Buell brand produced motorcycles from 1987 to 2011. The XB series, including the Firebolt, was a significant part of this era.
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