Positioning:
The Harley-Davidson VRSCDXA Night Rod Special for 2008 represented a fusion of American cruiser heritage with sportbike performance, targeting riders seeking a modern, aggressive aesthetic and capable handling.
Competitors:
Competed against other performance-oriented cruisers and power nakeds from Japanese manufacturers and other premium European brands.
Styling:
Low-slung profile, raked-out front end, inverted forks, dual exhaust, teardrop fuel tank, and custom-inspired details.
Performance Focus:
Liquid-cooled Revolution engine, powerful braking, and responsive handling.
Primary Coverage:
Complete Workshop Service and Repair
Secondary Coverage:
Maintenance, Troubleshooting, Diagnostics, Overhaul
Type:
Factory Service Manual / Workshop Manual
Format:
PDF (Portable Document Format)
Engine:
Complete disassembly, inspection, assembly, and tuning of the Revolution V-Twin engine, including timing, valve adjustments, fuel injection system, lubrication, cooling, and exhaust.
Transmission:
Service and repair of the 5-speed constant mesh gearbox, clutch assembly, drive belt, and final drive.
Chassis And Frame:
Frame inspection, front fork assembly (including internal components and adjustments), rear shock absorbers, swingarm, bearings, and wheel hub service.
Braking System:
Hydraulic brake system diagnosis and repair, including master cylinders, calipers, brake lines, pads, rotors, and ABS system (if equipped).
Electrical System:
Complete wiring diagrams, charging system (stator, regulator/rectifier), ignition system, lighting, starting system, fuel pump, ECU, and diagnostic codes.
Fuel System:
Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, and EFI system diagnostics.
Bodywork And Trim:
Installation and removal of fenders, fuel tank, seat, side covers, handlebars, and other cosmetic components.
Routine Maintenance:
Oil and filter changes, air filter replacement, spark plug servicing, brake fluid replacement, drive belt tensioning, and general inspection points.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, including error code interpretations.
Repair And Overhaul:
Detailed step-by-step instructions for engine rebuilds, transmission overhauls, suspension servicing, and electrical component replacement.
Special Tools:
Identification and usage instructions for specialized tools required for specific repair procedures.
Depth:
Comprehensive; covers everything from basic maintenance to full engine and transmission rebuilds with detailed torque specifications, clearances, and diagnostic flowcharts.
Engine Type:
Revolution V-Twin, 60-degree cylinder angle
Displacement:
1247cc (76 cubic inches)
Bore X Stroke:
100 mm x 97 mm
Cooling System:
Liquid-cooled
Valve Train:
DOHC (Dual Overhead Camshafts), 4 valves per cylinder
Horsepower:
Approximately 120 HP (claimed at crankshaft)
Torque:
Approximately 85 ft-lbs (claimed at crankshaft)
Fuel Delivery:
Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Type:
Unleaded Premium Gasoline, 91 Octane Minimum
Safety Features Overview:
Designed with emphasis on rider control and stability.
Braking System:
Dual 320mm front discs with 4-piston calipers, Single 300mm rear disc with 2-piston caliper. ABS optional on some models.
Suspension Damping:
Front: 49mm inverted fork, Rear: Dual adjustable shock absorbers.
Lighting:
Halogen headlight, LED tail light, amber incandescent front and rear turn signals.
Frame Construction:
Clamshell, cast and forged aluminum frame for rigidity.
Instrumentation:
Analog tachometer and digital speedometer housed in a single gauge assembly, LCD display for odometer, trip meters, fuel level, and gear position.
ABS:
Anti-lock Braking System (ABS) was an optional feature for the 2008 VRSCDXA. The manual covers its diagnosis and service.
Diagnostic Ports:
Features a diagnostic connector for use with Harley-Davidson's Digital Technician tool for engine diagnostics, parameter resets, and firmware updates.
First Service:
1000 miles (1600 km) or 6 months
Subsequent Service:
Every 5000 miles (8000 km) or 12 months thereafter
Engine Oil:
Harley-Davidson SYN3 (Synthetic) SAE 20W50 or equivalent API CI-4 rated motorcycle oil.
Primary Chain Case Oil:
Harley-Davidson Formula+ Transmission Lubricant (or equivalent GL-4) SAE 50
Brake Fluid:
DOT 4 (for hydraulic systems)
Coolant:
Harley-Davidson Coolant or a premium quality ethylene glycol based coolant with a 50/50 mix of coolant and distilled water.
Common Wear Items:
Drive belt wear, clutch engagement, brake pad wear, fork seals, and battery life.
Engine Vibrations:
While designed for performance, some owners report higher levels of vibration compared to traditional Harley-Davidson models, especially at idle. The manual addresses engine mounting and balancing procedures.
Cooling System Maintenance:
Proper coolant level and condition are critical due to the liquid-cooled nature of the Revolution engine. The manual details bleed procedures and coolant type.
Heritage:
Harley-Davidson, founded in 1903, is synonymous with American motorcycle culture, known for its V-twin engines and distinctive styling.
Vrod Development:
The V-Rod platform, including the Night Rod Special, was developed in collaboration with Porsche, debuting in 2002 as the VRSCA. The VRSCDXA variant, introduced later, focused on a more aggressive, custom appearance.
Production Period:
The VRSCDXA was produced from 2007 to 2011. The 2008 model is part of the second generation of the Night Rod Special.
Awards Received:
While specific awards for the 2008 VRSCDXA are not widely publicized, the V-Rod line consistently received praise for its innovative engineering and performance capabilities within the cruiser segment.
Industry Reviews:
Generally praised for its powerful acceleration, sharp handling, and unique styling, differentiating it from traditional Harley-Davidson offerings.
