Factory Workshop SpecificationsPlatform Gen: 2020–2024

2024 Harley Davidson Low Rider S (FXLRS Milwaukee-Eight) Specifications & Consumables

Official workshop technical reference: fluid capacities, spark plug codes, drive chain specs, and tire inflation pressures.

Gen 2020–2024

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2020 through 2024.

Select Model Year:(Active: 2024)

2020 2021 2022 2023 2024

Engine

1868cc

Drive

Not Available

Cooling

Air/Oil-Cooled

Engineering Subsystem Workbenches & Calculators

Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 2024 Harley Davidson Low Rider S (FXLRS Milwaukee-Eight).

10 Dedicated Engineering Spoke Pages

Subsystem Guide/torques

Fastener Torques

Engine drain plug, axle spindles, caliper mounts, triple clamp pinch bolts & thread lubrication derating guide.

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Subsystem Guide/fluids

Fluids & Capacities

Oil: 4.70 L (5.00 US qt) • Coolant: N/A • Brake: DOT 4

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Subsystem Guide/fuses-relays

Fuses & Relays

Main: 50A Maxi-Fuse • Location: N/A

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Subsystem Guide/compression

Compression & Leakdown

Ratio: 10.2:1 • Std: 180-225 PSI • Limit: 140 PSI

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Subsystem Guide/valves

Valve Clearances

Intake: N/A mm • Exhaust: N/A mm

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Subsystem Guide/fuel-delivery

Fuel Delivery & TB Sync

Idle: N/A • Rail Pressure: N/A • Vacuum: N/A

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Subsystem Guide/electrical

Charging & Battery

Battery: YTX20HL-BS • CCA: 310 • Regulated: 14.0 - 14.6 V DC

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Subsystem Guide/tires

Tires & Gearing

Front: 110/90B19 • Rear: 180/70B16

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: 130 mm • Rear Travel: 112 mm

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: Every 5,000 miles (8,000 km) mi • Valves: N/A • Plugs: Every 10,000 miles (16,000 km) mi

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Fluids & Service Capacities

Shop Fluids →

Engine Oil (Drain & Filter Change)4.70 L (5.00 US qt)

Engine Oil (Drain Only)4.25 L (4.50 US qt)

Recommended Oil Viscosity20W-50 SYN3 Full Synthetic or H-D 360

Coolant System CapacityN/A

Brake Fluid StandardDOT 4

Drivetrain, Chain & Gearing

Gearing Calculator →Shop Chains & Sprockets →

Drive Chain PitchBelt Drive

Chain Link Count142 Links

Front Sprocket Teeth32T

Rear Sprocket Teeth66T

Final Drive ConfigurationCarbon Belt Drive

Ignition & Electrical Specifications

Shop Plugs & Batteries →

OEM Spark Plug Part NumberHarley 6R10 / NGK CPR7EA-9

Electrode Spark Plug Gap0.8 - 0.9 mm (0.031 - 0.035 in)

OEM Battery Reference CodeYTX20HL-BS

Battery Output & Rating12V 18Ah 310 CCA

Spark Plug Inspection Interval10,000 miles (16,000 km) miles

Wheels, Tires & Inflation Pressures

Shop Tires →

Front Tire Dimensions110/90B19

Cold Front Inflation Pressure36 PSI (Cold)

Rear Tire Dimensions180/70B16

Cold Rear Inflation Pressure40 PSI (Cold)

OEM Wheel Rim Widths (F / R)3.50" / 5.50"

Official NHTSA Safety Recalls & Technical Bulletins

0 Open Campaigns (Clean)

U.S. Department of Transportation compliance database (Title 49 U.S.C. Chapter 301).

Verify VIN on NHTSA.gov

No Active Federal Safety Recalls Reported

The U.S. DOT National Highway Traffic Safety Administration (NHTSA) records zero open safety recall campaigns for the 2024 Harley Davidson Low Rider S (FXLRS Milwaukee-Eight) platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.

OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

4 Documented Bulletins

Bulletin #M1524M1524: RECALL 0177 - 2019 - 2021 SPORTSTER - HEADLAMP BULB SHIELD

Source: Harley_M1524_Recall0177.pdf

Mandated Torques:Torque: 5.8–6 in-lbs (0.66–0.68 N·m) (Bulb Shield Screw)Torque: 35–44 in-lbs (4–5 N·m) (Bracket to Visor Screws)Torque: 10–16 ft-lbs (13.5–21.6 N·m) (Visor Bracket Screws)

Consumable Specs:Loctite 243 Medium Strength Blue Threadlocker (HD Part # 99642-97)

Genuine Part Numbers:68297-05A9150010799642-97

Fastener Stack ArchitectureExploded View: Headlamp Visor Fastener & Vibration Stack (Bulletin M1524)

3-Stage Torque Map

Select any fastener or shield component to inspect exact torque specifications.

Component InspectorNHTSA Recall 0177 / M1524

Self-Tapping Shield Screw with Blue Loctite 243

Consumable: Loctite 243 (HD # 99642-97)

Factory Torque Specification

5.8–6.0 in-lbs (0.66–0.68 N·m) (CRITICAL LOW TORQUE)

Technical Assembly Note

MUST apply Loctite 243 Blue Threadlocker. Due to reuse of self-tapping screw into stamped bracket, STRICTLY do not exceed 6 in-lbs or threads will strip.

Vibration & Chemical Retention

Loctite 243 Medium Strength Blue Threadlocker (HD Part # 99642-97) mandatory on bulb shield screw to prevent thermal loosening.

Bulletin #M1568M1568: SAFETY RECALL 0635 - FRONT BRAKE LINE BANJO BOLT ASSEMBLY

Source: Harley_M1568_Recall0635.pdf

Mandated Torques:Torque: 19–21 ft-lbs (25.8–28.5 N·m) (Front Brake Line Banjo Bolts)

Consumable Specs:Harley-Davidson Platinum Label DOT 4 Brake Fluid

Genuine Part Numbers:2879401841751-06A41800770418007724180077341800774

Technical IllustrationExploded View: Hydraulic Brake Switch & Banjo Bolt Assembly

Official NHTSA PDF

Hover or Click Component to Inspect

Component SelectedOEM # 41747-06

Cross-Drilled Banjo Bolt

Cross-drilled hydraulic passage. Torque to exact factory range. Do NOT over-tighten or bolt can shear.

Torque Specification:19–21 ft-lbs (25.5–28.5 N·m)

Select Stack Layer:

Electrical Harness Schematic40-Pin BCM Electrical Harness Pinout & Wiring Map (Bulletin M1568 / Recall 0635)

40-Way Sealed Header • Cavity F3

Click Pin F3 or center keyway to inspect technical harness specifications

Inspection TargetRecall 0635 / M1568

BCM Terminal Cavity F3 (Recall Signal Input)

Jumper Terminal Wire # 69203239

Mechanical Engagement:Terminal Click-Lock Retention

MANDATORY RECALL PIN INSERTION. Insert jumper terminal into cavity F3 of the 40-way BCM harness connector until an audible click is heard. Tug lightly to verify positive secondary terminal engagement.

Interactive Circuit Nodes:

STEP 1: HARNESS CLICK VERIFICATIONSlide terminal wire 69203239 into Cavity F3 until secondary TPA wedge clicks flush. Perform gentle pull test.

STEP 2: CHASSIS GROUND TORQUEClean left-side frame ground stud. Fasten jumper ring terminal to 45–60 in-lbs (5.1–6.8 N·m).

STEP 3: DIGITAL TECHNICIAN II SYNCFlash BCM software to 28794018 YM0+. Depress rear brake pedal to trigger auto-stop calibration countdown.

Chassis Routing ArchitectureTrike Frame Jumper Wire Routing & EHCU Ground Map (Bulletin M1568 / Recall 0635)

Figures 5 & 6 • Behind EHCU

Click routing channel, ground stud, cable straps, or switch to view shop notes

Chassis Routing NodeRecall 0635 / M1568

Under-Tray Sub-Harness Route (Behind EHCU)

Recall Routing Path (Figure 6)

Mechanical Anchor:Protected Chassis Channel

MANDATORY ROUTING CLEARANCE. Route jumper harness # 69203239 behind the Electro-Hydraulic Control Unit (EHCU) assembly. Keep clear of hot exhaust pipes and moving suspension linkages.

Interactive Routing Targets:

Bulletin #M1572M1572: INSTRUMENT MODULE SOFTWARE UPDATE - PAN AMERICA & SPORTSTER S

Source: Harley_M1572_SupportDocs.pdf

Bulletin #M1733M1733: MILWAUKEE-EIGHT CYLINDER COSMETIC BORE STAINING STANDARDS

Source: NHTSA_MC_11036578_M1733.pdf

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