2018 Harley-Davidson Softail Service Manual – Milwaukee-Eight 107 & 114 Repair Manual PDF

Description

2018 Harley-Davidson Softail Models Service Manual – Milwaukee-Eight 107 & 114

This is the full 2018 Harley-Davidson Softail service manual, published under document number 94000529. It is the workshop-level reference for the entire 2018 Softail platform, covering every model built on the redesigned chassis and powered by the Milwaukee-Eight 107 and Milwaukee-Eight 114 engines. The manual runs to just under two thousand pages of structured service information, organised into chapters, sections and topics so a job can be worked from removal through to ride-ready condition.

Where a component can be repaired rather than replaced, the manual provides separate disassembly, cleaning, inspection and assembly procedures. Where a component is simply removed and refitted, only the remove and install steps are given, with a Complete topic listing the procedures needed to return the motorcycle to service.

File Details

• Manual type: Service / workshop manual
• Brand: Harley-Davidson
• Document number: 94000529
• Model year: 2018
• Model family: Softail
• Engines: Milwaukee-Eight 107 (1753 cc), Milwaukee-Eight 114 (1868 cc)
• Language: English
• Format: PDF
• Length: approximately 1988 pages
• Layout: Chapter / section / topic numbering with cross-references

Models Covered

The manual covers the following 2018 Softail model codes:

• FLDE – Softail Deluxe
• FLFB – Fat Boy
• FLFBS – Fat Boy 114
• FLHC – Heritage Classic
• FLHCS – Heritage Classic 114
• FLHCS ANV – Heritage Classic 114 115th Anniversary Edition
• FLSL – Softail Slim
• FLSB – Sport Glide
• FXBB – Street Bob
• FXBR – Breakout
• FXBRS – Breakout 114
• FXBRS ANX – Breakout 114 115th Anniversary Edition
• FXFB – Fat Bob
• FXFBS – Fat Bob 114
• FXLR – Low Rider

Because model-specific differences are called out inside the individual procedures, a single copy serves the whole 2018 Softail line rather than one machine.

Chapters Covered

• Safety – warnings, cautions, notices, personal protection, hazardous materials, battery and fuel handling
• Maintenance
  • Fastener torque values
  • Securing the motorcycle for service
  • Regular service intervals and maintenance records
  • Fuel and oil, including winter lubrication
  • Engine oil and filter replacement
  • Primary chaincase lubricant replacement
  • Transmission lubricant replacement
  • Tires and wheels inspection
  • Cable and chassis lubrication
  • Brake inspection, pad replacement and brake fluid service
  • Clutch check and adjustment
  • Front fork rebuild and fork oil replacement
  • Steering head bearing adjustment and lubrication
  • Fuel lines and fittings inspection
  • Jiffy stand inspection and lubrication
  • Drive belt and sprocket inspection and adjustment
  • Suspension preload adjustment
  • Exhaust system leak check
  • Air filter service
  • Battery service, testing and storage
  • Spark plug cleaning and inspection
• Chassis
  • Front and rear brake master cylinders and calipers
  • Brake lines and ABS module
  • Bleeding procedures
  • Front and rear wheels, wheel lacing and truing
  • Sealed wheel bearings
  • Tires, wheel alignment and balancing
  • Front fork, steering head and fork lock
  • Rear fork, belt guards and rear shock absorber
  • Clutch control, handlebar, mirrors and hand grips
  • Headlamp nacelle, fairing and windshield
  • Front and rear fenders, license plate brackets
  • Foot controls and passenger footrests
  • Seat, frame crossmember and saddlebags
• Engine
  • Engine oil flow, oil pump and breather operation
  • Oil cooler and oil coolant lines
  • Engine mounts
  • Rocker covers, breathers and rocker arms
  • Pushrods, lifters and covers
  • Cylinder heads, valves and seats
  • Cylinders and pistons
  • Cam compartment, camshaft and needle bearings
  • Oil pump service
  • Engine removal and installation
  • Crankcase, flywheel and connecting rods
  • Oil pan
• Drive and Transmission
  • Transmission operation and power flow
  • Drive belt
  • Shifter linkage
  • Clutch release cover and clutch assembly
  • Primary chaincase cover and housing
  • Drive components and compensating sprocket
  • Engine oil fill spout
  • Transmission sprocket
  • Transmission, main drive gear and bearing
  • Transmission case
• Fuel and Exhaust
  • Air cleaner backplate assembly
  • Console and decorative fuel cap
  • Fuel pressure test and fuel line purging
  • Fuel line, fuel tank and fuel pump
  • Vent tube and vapor valve
  • TMAP sensor and twist grip sensor
  • Fuel injectors and induction module
  • Intake leak test
  • Heated oxygen sensors
  • Mufflers and exhaust system
  • California emissions components
• Electrical
  • Fuses and power disconnect
  • Starter, alternator and voltage regulator
  • Spark plug cables and ignition coil
  • Hand control modules and switch caps
  • Instrument module, tachometer and indicator lamps
  • Oil pressure switch and neutral indicator switch
  • Horn, headlamp, auxiliary lamps and turn signals
  • Tail lamp, stoplamp switch and license plate lamp
  • ECM and BCM
  • Security system activation, maintenance, siren and antenna
  • CKP, ET, knock, ACR, VSS, WSS and jiffy stand sensors
  • Electrical caddies, battery tray and ground cables
  • Wire harnesses, wiring diagrams and connector end views
• Reference – glossary, acronyms and abbreviations, metric conversion, fluid conversion

Read together, these chapters take a technician from routine scheduled maintenance through to complete engine, transmission and chassis overhaul on the 2018 Softail platform. Procedures are laid out with numeric steps for experienced hands and alpha sub-steps for less experienced ones, and graphic symbols flag where lubricant must be applied, where a part must be discarded rather than reused, where sealant or threadlocker is required, where a special tool is recommended, and where a measurement must be taken against specification.

Specifications, Torque Values and Service Limits

Fastener torque tables appear at the head of the maintenance, chassis, engine, drive and transmission, fuel and exhaust, and electrical chapters, so the correct value is available at the point of work rather than in a single distant appendix. Engine specifications cover the Milwaukee-Eight 107 and 114 side by side, including compression ratio, bore, stroke, displacement and fuel requirement, along with oiling system capacity, oil pressure, rocker arm and shaft fit, hydraulic lifter fit, cylinder head flatness, valve and valve spring data, piston fit and ring end gaps, connecting rod clearances, flywheel runout and bearing fits.

Wear limit tables are provided separately so a used component can be measured and judged rather than guessed at, covering rocker arms, lifters, cam support plate, oil pump, cylinder head, valve stem to guide clearance, valve springs, cylinders, pistons, connecting rods, flywheels and crankshaft roller bearings. Transmission and drive specifications include main drive gear fits, mainshaft and countershaft tolerances, shifter dog clearances, bearing housing fits and shifter fork wear limits. Chassis-side data covers tire sizes and pressures by model, wheel spoke nipple torque, rim runout limits, drive belt deflection, suspension preload settings and capacities for fuel, oil tank, transmission and primary chaincase.

What This Manual Lets You Do

With the 2018 Harley-Davidson Softail service manual in hand you can carry out the complete scheduled maintenance sequence at every interval, diagnose and repair engine, transmission, primary drive, brake, suspension and electrical faults, rebuild the front forks and replace fork oil, adjust steering head bearings against a measured pull-force figure rather than by feel, service the ABS module and bleed the brake system correctly, replace wheel bearings and true laced wheels, set drive belt deflection and rear wheel alignment, and tear the Milwaukee-Eight down to the crankcase and flywheel when the job demands it.

Working from the correct procedure matters on a machine like this. The 2018 Softail runs a Milwaukee-Eight engine with a single camshaft, dual balance shafts and a dry sump lubrication system, and much of the chassis hardware is specified with staged or angle-torqued fasteners. Guessing at clearances, torque sequences or belt tension can cost far more than the manual. The chapter-level torque tables, wear limits and step-by-step procedures remove that guesswork.

Delivery is instant. The manual is supplied as a PDF, so there is no shipping and nothing to wait for – the file is available to open as soon as the order completes. It can be read on a phone, tablet, laptop or desktop, searched on screen while working, or printed page by page and taken into the garage. Print the section you need, keep the rest clean, and put the pages beside the bike while you work.

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