Segment:
Cruiser Motorcycle
Target Audience:
Harley-Davidson FLSTF Fat Boy ST 2005 owners, independent repair shops, DIY enthusiasts
Competitors:
Other large-displacement V-twin cruiser motorcycles of the era, e.g., Indian, custom builds
Iconic Design:
Known for its distinctive fat tires, chrome accents, and classic cruiser styling
Manual Benefit:
Enables owners and technicians to perform maintenance, diagnostics, and repairs efficiently and correctly
Engine:
Complete overhaul, troubleshooting, diagnostics, component replacement
Transmission:
Disassembly, assembly, maintenance, repair, lubrication
Fuel System:
Carburetor tuning and overhaul, fuel lines, fuel pump (if applicable), fuel tank service
Electrical System:
Wiring diagrams, lighting, ignition system, battery, charging system, starter
Chassis:
Frame, suspension (front fork, rear shock absorbers), steering, wheels, tires
Brakes:
Hydraulic system, caliper service, master cylinder, brake pads, brake lines
Bodywork:
Fenders, fuel tank, seat, handlebars, controls, fairings (if applicable)
Exhaust System:
Exhaust pipes, mufflers, mounting hardware
Cooling System:
Air cooling system description and maintenance
Maintenance:
Scheduled maintenance, oil changes, filter replacement, lubrication points
Troubleshooting:
Diagnostic procedures, common issues and their solutions, symptom-based troubleshooting
Repair:
Step-by-step repair instructions for all major components
Disassembly Assembly:
Detailed instructions for taking apart and putting back together all systems and components
Adjustments:
Carburetor synchronization, clutch adjustment, brake lever adjustment, throttle cable adjustment
Removal Installation:
Procedures for removing and installing various parts and assemblies
Depth:
Comprehensive, bumper-to-bumper coverage suitable for DIY and professional mechanics
Illustrations:
Pictorial diagrams, exploded views, line drawings, and photographs
Special Tools:
Identification and usage of required special service tools
Specifications:
Factory specifications, allowable limits, torque values, wear limits
Engine Type:
Air-cooled, Twin Cam 88B
Displacement:
1450 cc (88 cubic inches)
Bore X Stroke:
3.75 in x 4.00 in (95.25 mm x 101.6 mm)
Horsepower:
Approx. 65-70 HP (estimated, actual figures vary based on tuning and exhaust)
Torque:
Approx. 75-80 lb-ft @ 3200 RPM (estimated)
Fuel Delivery:
Carburetor (Keihin CV 40mm)
Fuel Type:
Unleaded gasoline
Oil Type:
Harley-Davidson 20W-50 Motorcycle Oil (or equivalent)
Oil Capacity:
3.7 US quarts (3.5 Liters) with filter change
Length:
Approx. 93.3 in (2370 mm)
Width:
Approx. 36.5 in (927 mm)
Height:
Approx. 46.3 in (1176 mm)
Dry Weight:
Approx. 687 lbs (311.6 kg)
Gross Vehicle Weight Rating:
Approx. 1060 lbs (481 kg)
Payload Capacity:
Approx. 373 lbs (169 kg)
Fuel Capacity:
4.9 US gallons (18.5 Liters)
Oil Change Interval:
Every 2,500-5,000 miles or annually (check manual for specific recommendation)
Primary Chain Adjustment:
As needed, typically every 5,000 miles
Spark Plug Replacement:
Refer to manual, typically around 10,000-15,000 miles
Transmission Fluid:
Harley-Davidson Formula+ Transmission Fluid (or equivalent)
Primary Drive Fluid:
Harley-Davidson Formula+ Transmission Fluid (or equivalent)
Brake Fluid:
DOT 4 Hydraulic Brake Fluid
Common Issues:
Potential for carburetor adjustment needs, clutch cable wear, and general wear and tear on a motorcycle of this age. Refer to manual for specific troubleshooting.
Heritage:
Harley-Davidson has a long-standing reputation for building iconic American motorcycles with a focus on tradition and performance.
Fat Boy Origin:
The Fat Boy model was introduced in 1990 and quickly became an icon of Harley-Davidson's softail line.
Twin Cam Introduction:
The Twin Cam 88 engine was introduced in 1999, replacing the Evolution engine.
Production Era:
The FLSTF Fat Boy was produced through multiple model years, with the 2005 model featuring the Twin Cam 88B engine.
