2018 Harley-Davidson Sportster Models Service Repair Manual

Foreword :

Safety
Fastener Torque Values
General
Fuel and Oil

Maintenance :

Maintenance Schedule
Engine Oil and Filter
Air Cleaner Element
Exhaust System
Coolant
Tires and Wheels
Primary Chaincase Lubricant
Transmission Lubricant
Hydraulic Clutch Fluid
Brakes
Brake Pads and Discs
Rear Sprocket Isolator
Cable and Chassis Lubrication
Spark Plugs
Steering Head Bearings
Rear Suspension Adjustments
Battery Maintenance
Headlamp Alignment
Storage
Troubleshooting

Chassis :

Fastener Torques Values
Specifications
Vechicle Identification Number
Front Wheel
Rear Wheel
Rear Wheel Compensator
Wheel Lacing Front Rim
Wheel Lacing 16 Inch Rear Rim
Wheel Runout
Sealed Wheel Bearings
Tires
Front Brake Master Cylinder
Front Brake Caliper
Rear Brake Master Cylinder
Rear Brake Caliper
Brake Lines
Bleed Brakes
ABS Module
Front Fork
Steering Head Bearings
Rear Suspension
Rear Fork
Clutch Master Cylinder and Reservoir
Hydraulic Clutch Hand Lever
Clutch Fluid Line
Bleed Clutch Control System
Handlebar
Mirrors
Seat
Saddlebags
Saddlebag Service
Tour-Pak
Tour-Pak Service
Tour-Pak Backrest
Fairing Lowers and Engine Guard
Outer Fairing and Windshield
Dash Panel
Inner Fairing
Instrument Bezel
Instrument Nacelle
Outer Fairing and Windshield
Inner Fairing and Windshield
Storage Compartments
Air Deflectors
Windshield
Headlamp
Front Fender
Rear Fender
Rear Fascia
Rear Frame
Footboards and Footrest
Jiffy Stand
Front Engine Mount
Medallions, Badges and Tank Emblems

Engine :

Fastener Torque Values
Specifications
Service Wear Limits
Engine Oil Flow
Oil Pump Operation
Breather Operation
Oil Pressure
Troubleshooting
Oil Cooler and Downtube
Oil Coolant Lines
How To Use this Section
Prepare Motorcycle for Service
Assemble Motorcycle After Service
Top End Service
Cam Compartment Service
Bottom End Service
Remove Engine
Install Engine
Upper Rocker Covers
Lower Rocker Covers
Breathers
Rocker Arms
Pushrods, Lifter and Covers
Cylinder Head
Cylinders
Pistons
Cam Compartment and Components
Oil Pump
Crankcase
Flywheel and Connecting Rods
Oil Pan

Fuel System :

Fastener Torque Values
Specifications
Fuel Pressure Test
Intake Leak Test
Air Cleaner Assembly
Fuel Tank
Fuel Tank Top Plate
Fuel Filter
Fuel Pressure Regulator
Fuel Level Sender
Twist Grip Sensor
Induction Module
Temperature Manifold Absolute Pressure Sensor
Heated Oxygen Sensors
Fuel Injectors
Fuel Pump
Exhaust System
Evaporative Emissions Control System

Cooling System :

Fastener Torque Values
Specifications
Cooling System Operation
Testing and Diagnostics
Cooling System Repair

Drive :

Fastener Torque Values
Specification s
Primary Chaincase Cover
Drive Components
Primary Chaincase Housing
Clutch
Hydraulic Clutch Release Bearing and Pushrod
Transmission Sprocket
Drive Belt

Transmission :

Fastener Torque Values
Specifications
Transmission Operation
Shifter Linkage
Secondary Clutch Actuator
Transmission
Main Drive Gear and Bearing
Transmission Case

Electrical :

Fastener Torque Values
Specifications
System Fuses and Relays
Electronic Control Module
Body Control Module
Electrical Caddies
Starter
Headlamp
Fender Tip Lamps
Tour Pak Lights
Turn Signal Lampos
Ignition Switch and Fork Lock
Accessory Switches
Crankshaft Position Sensor
Knock Sensor
Engine Temperature Sensor
Engine Coolant Temperature Sensor
Wheel Speed Sensor
Neutral Switch
Oil Pressure Switch
Stop Lamp Switches
Voltage Regulator
Alternator
Horn
Fairing Power Outlet
Gauges and Instruments
Indicator Lamps
Boom Box Infotainment System
Antenna Cables
Main Wiring Harness
Fairing Harness
Handlebar Switch Packs
Security System Maintenance
Security System Actuation
Auxiliary Fog Lamps and Brackets
Security Siren

Wiring :

Wiring Diagram
Wire Harness Connectors

BONUS :

Electrical Diagnostic Manual:

Initial Diagnostics
Serial Data
Starting and Charging
Instruments
Accessories, Horn, Lighting and Security
Engine Management
ABS
Audio System
Wiring
Connector Repair

Wiring Diagrams