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Factory Workshop SpecificationsPlatform Gen: 2006–2026

2026 Harley-Davidson Street Bob / Street Bob 114 (FXDB / FXBB / FXBBS) Specifications & Consumables

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

Gen 2006–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2006 through 2026.

Engine
1868cc
Drive
Not Available
Cooling
Air / Oil-Cooled with Dual Counterbalancers (Softail) / Rubber Mounts (Dyna)

Engineering Subsystem Workbenches & Calculators

Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 2026 Harley-Davidson Street Bob / Street Bob 114 (FXDB / FXBB / FXBBS).

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: Not Applicable (Air / Oil Cooled) • Brake: N/A

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Subsystem Guide/fuses-relays

Fuses & Relays

Main: N/A • Location: N/A

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Subsystem Guide/compression

Compression & Leakdown

Ratio: N/A

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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 / H-D 65989-97E

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Subsystem Guide/tires

Tires & Gearing

Front: 100/90B19 57H • Rear: 150/80B16 77H

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: N/A • Rear Travel: N/A

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: N/A • Valves: N/A • Plugs: N/A

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Fluids & Service Capacities
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Engine Oil (Drain & Filter Change)4.70 L (5.00 US qt)
Engine Oil (Drain Only)N/A
Recommended Oil ViscosityH-D Screamin' Eagle SYN3 20W-50 Full Synthetic or Genuine H-D 360 20W-50
Coolant System CapacityNot Applicable (Air / Oil Cooled)
Brake Fluid StandardNot Available
Drivetrain, Chain & Gearing
Drive Chain PitchBelt Drive
Chain Link Count133-Tooth Carbon-Fiber Reinforced (24mm width)T Belt
Front Sprocket TeethN/A
Rear Sprocket TeethN/A
Final Drive ConfigurationCarbon Belt Drive
Ignition & Electrical Specifications
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OEM Spark Plug Part NumberH-D 6R10 / 6R12
Electrode Spark Plug Gap0.8–0.9 mm (0.031–0.035 in)
OEM Battery Reference CodeYTX20HL-BS / H-D 65989-97E
Battery Output & RatingNot Available
Spark Plug Inspection IntervalN/A
Wheels, Tires & Inflation Pressures
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Front Tire Dimensions100/90B19 57H
Cold Front Inflation PressureN/A
Rear Tire Dimensions150/80B16 77H
Cold Rear Inflation PressureN/A
OEM Wheel Rim Widths (F / R)3.50" / 5.50"

Official NHTSA Safety Recalls & Technical Bulletins

2 Active Campaigns
U.S. Department of Transportation compliance database (Title 49 U.S.C. Chapter 301).
Verify VIN on NHTSA.gov
The U.S. National Highway Traffic Safety Administration reports 2 safety recall campaigns associated with this platform. Independent repair shops and riders should confirm that authorized dealership warranty remedies have been applied.
NHTSA #25V375000SUSPENSION:REAR:SHOCK ABSORBER
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Defect Description

Harley Safety Recall 0188: 2018–2024 Street Bob rear shock pre-load adjuster mounting tab fracture countermeasure.

Safety Hazard / Consequence

Adjuster contact with rear tire can cause tire pressure loss.

Factory Remedy & Repair Action

Dealers install reinforced retention bracket countermeasure kit.

NHTSA #23V591000SUSPENSION:REAR:SHOCK ABSORBER
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OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

2 Documented Bulletins
Bulletin #HD-0188Safety Recall Bulletin 0188 / NHTSA 25V-375: Softail Rear Shock Pre-Load Adjuster Mounting Tab Bracket Countermeasure
Source: RCLRPT-25V375-8701.pdf
Mandated Torques:Torque: 12–15 N·m (106–133 in-lb) (Reinforced Countermeasure Bracket Screw)Torque: 95–108 N·m (70–80 lb-ft) (Rear Shock Upper Frame Crossmember Bolt)
Consumable Specs:Loctite 243 Blue ThreadlockerCorrosion Inhibitor Spray
Genuine Part Numbers:9150011210200914
Recalls 0181 & 0188 • NHTSA 23V-591 & 25V-375

Harley-Davidson Softail Mono-Shock Pre-Load Adjuster & Tire Clearance Architecture

Fast adjuster bracket reinforcement, tire clearance inspection (≥ 10 mm), and 95–108 N·m shock mounting torques.

SOFTAIL HIDDEN MONO-SHOCK CHASSISFRONT EYE: 95-108 N·mREAR EYE: 95-108 N·mKNOB (0-5)BRACKET: 12-15 N·mLOCTITE 243 BLUE240mm REAR TIREGAP ≥ 10 mmMANDATED SERVICE & RECALL PROTOCOL:• Fastener: Retorque adjuster screw to 12–15 N·m (106–133 in-lb) with Loctite 243 Blue.• Bracket Kit: Install reinforced retention bracket (Recall 0188 countermeasure).• Clearance: Verify ≥ 10 mm air gap between adjuster knob and tire across full stroke.
Shock Mounting Bolts95–108 N·m (70–80 lb-ft)
Adjuster Bracket Screw12–15 N·m (106–133 in-lb)
Chemical ThreadlockerLoctite 243 (Medium Blue)
Dynamic Tire Clearance≥ 10.0 mm (0.39 in)
Bulletin #HD-TSB-18-09Technical Service Bulletin TSB-18-09: Softail Laced Wheel Spoke Truing, Nipple Torques & Secondary Drive Belt Deflection
Source: H-D_TSB_18-09_Laced_Spokes.pdf
Mandated Torques:Torque: 6.2 N·m (55 in-lb) (Spoke Nipples - Uniform Torque Check)Torque: 136–149 N·m (100–110 lb-ft) (Rear Axle Nut)Torque: 20–24 N·m (15–18 lb-ft) (Belt Tensioner Adjuster Jam Nuts)Torque: 102 N·m (75 lb-ft) (Front Axle Shaft)
Consumable Specs:Spoke Nipple Anti-Corrosion PenetrantAnti-Seize Lubricant (Axle Sliders)
Genuine Part Numbers:43057-084090039241500017
Workshop Procedure • Heritage & Street Bob

Harley-Davidson Heritage Classic Secondary Belt Drive Tension & Axle Alignment

Secondary belt deflection gauge procedure (9.5–12.7 mm @ 10 lbs), axle alignment notch verification, and 136–149 N·m cone nut.

32T TRANSMISSION PULLEY66T / 68T WHEEL SPROCKET10 LBSDEFLECTION: 9.5-12.7 mm(3/8 - 1/2 in COLD ON JFFY STAND)AXLE NUT: 136-149 N·mALIGNMENT NOTCH: ±0.8 mmJAM NUTS: 20-24 N·mHERITAGE SPECS:• Front Rim: 16 x 3.0 in• Rear Rim: 16 x 3.0 in• Front Tire: 130/90B16 (36 psi)• Rear Tire: 150/80B16 (40 psi)• Front Axle: 102 N·m• Rear Axle: 136–149 N·m• Belt Deflection: 9.5–12.7 mm• Adjuster Jam Nut: 20–24 N·m• Pulley Bolts: 75–88 N·m + 45°• Spoke Nipple: 6.2 N·m (55 in-lb)• Rotor Bolts: 41–47 N·m• Caliper Mounts: 38–52 N·m
Belt Deflection @ 10 lbs9.5–12.7 mm (3/8–1/2 in)
Rear Axle Cone Nut136–149 N·m (100–110 lb-ft)
Tensioner Jam Nuts20–24 N·m (15–18 lb-ft)
Laced Spoke Nipples6.2 N·m (55 in-lb)

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2026 Harley-Davidson Street Bob / Street Bob 114 (FXDB / FXBB / FXBBS) Factory Workshop Specs & Maintenance Guide | WowShopper | WowShopper Motorsports