Market Segment:
Mid-to-large displacement cruiser motorcycle.
Competitors:
Competes with other V-twin cruisers from American and Japanese manufacturers in its displacement class.
Engine Layout:
Air-cooled, 45-degree V-twin.
Suspension Type:
Telescopic front forks, dual rear shock absorbers.
Fueling:
Electronic Fuel Injection (EFI) for improved throttle response and emissions.
Engine Mechanical:
Detailed information on engine assembly, disassembly, inspection, and repair for the Twin Cam 88 engine.
Fuel System:
Comprehensive coverage of the Electronic Fuel Injection (EFI) system, including injectors, fuel pump, pressure regulator, and ECU.
Ignition System:
Diagnosis and repair of the electronic ignition system, including coil, spark plugs, and timing.
Transmission:
Service and repair of the 5-speed constant mesh transmission, including clutch, gear sets, and final drive.
Chassis And Frame:
Information on frame inspection, alignment, and related components.
Suspension:
Front and rear suspension systems, including fork servicing, shock absorber replacement, and wheel bearing maintenance.
Brakes:
Front and rear brake system service, including caliper overhaul, pad replacement, fluid bleeding, and master cylinder repair.
Electrical System:
Wiring diagrams, component testing, and troubleshooting for the entire electrical system, including lighting, charging, and starting.
Bodywork:
Body panel removal, installation, and repair, including fenders, tank, and fairings.
Diagnostics:
Troubleshooting charts, diagnostic trouble codes (DTCs) and their interpretation for EFI and other systems.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, chain adjustment, tire pressure checks.
Engine Overhaul:
Complete engine rebuild procedures, including piston replacement, ring installation, valve service, and gasket replacement.
Transmission Repair:
Clutch adjustments, gear inspection, bearing replacement, and transmission fluid service.
Electrical Troubleshooting:
Diagnosing and repairing faults in the starter, alternator, battery, lighting, and EFI control unit.
Brake System Repair:
Bleeding procedures, caliper rebuilding, rotor replacement, and hydraulic system diagnosis.
Suspension Service:
Fork seal replacement, oil changes, damper rod inspection, and rear shock absorber adjustment/replacement.
Efi Tuning:
Basic EFI system adjustments and troubleshooting for optimal performance and emissions.
Depth:
Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts. Covers from basic maintenance to full engine and transmission rebuilds.
Engine Type:
Harley-Davidson Twin Cam 88
Displacement:
1450cc (88 cubic inches)
Bore X Stroke:
3.75 in. x 4.00 in. (95.25 mm x 101.6 mm)
Valve Train:
Overhead valves (OHV), two valves per cylinder
Cooling System:
Air-cooled
Horsepower:
Approximately 65-70 HP (Varies slightly by model year and specific tuning)
Torque:
Approximately 86 ft-lbs @ 3500 RPM
Fuel Delivery:
Sequential Electronic Fuel Injection (SEFI) with automatic enrichment circuit.
Fuel Type:
Unleaded gasoline, minimum 91 octane (Research Octane Number - RON)
Length:
Approx. 93.1 in. (2365 mm)
Width:
Approx. 34.6 in. (879 mm) at handlebars
Height:
Approx. 50.0 in. (1270 mm) to top of windshield (if equipped)
Wheelbase:
Approx. 63.5 in. (1613 mm)
Ground Clearance:
Approx. 4.75 in. (120 mm)
Dry Weight:
Approx. 635 lbs (288 kg)
Gross Vehicle Weight Rating:
Approx. 1030 lbs (467 kg)
Payload Capacity:
Approx. 395 lbs (179 kg)
Fuel Capacity:
5.0 US gal. (18.9 L) - includes 1.0 US gal. reserve
Safety Ratings:
Motorcycles are not typically rated by agencies like NHTSA or IIHS. Safety relies on rider skill and adherence to maintenance.
Braking System:
Dual front disc brakes, single rear disc brake.
Lighting:
Halogen headlight, taillight, brake lights, and turn signals.
Frame Construction:
Steel tube frame.
Tire Specifications:
Front: 100/90-19 57H, Rear: 150/80B16 71H (or similar, check manual for exact specs and approved brands)
First Service:
1,000 miles (1,600 km) or 3 months, whichever comes first. Includes engine oil change, primary chain tensioner check, and general inspection.
Subsequent Service:
Every 5,000 miles (8,000 km) or 6 months. Includes engine oil and filter change, primary oil change, spark plug inspection, and comprehensive inspection.
Transmission Service:
Change transmission fluid every 10,000 miles (16,000 km) or 12 months.
Engine Oil:
Harley-Davidson Genuine V-Twin 20W-50 Synthetic (or equivalent API CI-4 rated oil).
Engine Oil Capacity:
3.0 US quarts (2.8 L) with filter change.
Primary Chain Case Oil:
Harley-Davidson Genuine Primary Chain Lubricant or Syn3 Fully Synthetic Motorcycle Oil.
Primary Chain Case Oil Capacity:
1 US quart (0.95 L)
Transmission Oil:
Harley-Davidson Genuine Formula + Transmission Lubricant (or equivalent SAE 80W-90 GL-5 gear oil).
Transmission Oil Capacity:
24 US fl oz. (0.71 L)
Brake Fluid:
DOT 4 (for most Harley-Davidson applications of this era, confirm with manual)
Fork Oil:
Harley-Davidson Genuine Fork Oil - specify weight (e.g., 10W or 15W) as per manual, typically 150-170 ml per fork leg.
Primary Chain Tensioner:
Wear on the automatic primary chain tensioner shoe is a common issue on Twin Cam engines, potentially leading to noise and premature wear.
Rear Cylinder Cooling:
Rear cylinder can run hotter than the front, especially in traffic, due to air cooling design. Regular maintenance and proper oil are crucial.
Harley Dealers:
Service is often best performed by Harley-Davidson certified technicians due to specialized tools and knowledge.
Brand Origin:
Harley-Davidson Motor Company, founded in Milwaukee, Wisconsin, USA in 1903.
Dyna Lineage:
The Dyna platform, introduced in 1991, was known for its robust chassis and traditional styling, evolving from earlier Sportster and Big Twin designs.
Super Glide History:
The 'Super Glide' name has been used by Harley-Davidson for various models since the 1960s, representing a blend of performance and style.
Production Period:
The Twin Cam 88 engine was produced from 1999 to 2006. The Dyna platform was produced until 2017.
Manufacturing Location:
USA