Harley-Davidson SOFTAIL FAT BOB (114 CUI) (2018–2024) — Specs
Identity
Manufacturer: Harley-Davidson
Model: SOFTAIL FAT BOB (114 CUI)
Category: Cruiser
Type: Motorcycle
Years: 2018 → 2024
Engine
Displacement (cc): 1868
Cylinders: 2
Power (hp): 94
Power (kW): 69
Torque (Nm): 156
Dimensions
Overall length: 2415 mm
Overall width: 950 mm
Overall height: 1135 mm
Wheelbase: 1640 mm
Ground clearance: 130 mm
Weight (kg): 306
Seat height (mm): 710
Tank (L): 13.6
Tires
Front tire: 150/80 R16
Rear tire: 180/70 R16
Drivetrain
Final drive: Toothed belt
Ignition
Spark plug: NGK CR9EB
Fluids & Filters
Engine oil: SAE20W-50
Engine oil (with filter, L): 4.75
Oil filter: Hiflofiltro HF171
Air filter: Hiflofiltro HFA1903
Brake fluid: DOT 4
Fuel consumption
Estimated: 5.8 L/100 km
Estimated range: ~234 km on a full tank (13.6 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: YTX20HL-BS
Service interval (km): 10000
Service interval (months): 12
Valve check (km): 24000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 10,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Engine oil: oil grade SAE20W-50, 4.75 L with filter change. Spark plug: NGK CR9EB. Brake fluid: DOT 4. Chain: toothed belt. Tire size: front 150/80 R16, rear 180/70 R16. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: SAE20W-50, 4.75 L (with filter)
- OEM OEM recommended engine oil (SAE 20W-50)
- Premium Motul 7100
- Premium Motul 5100
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Standard Repsol Moto Racing 4T
- Standard Elf Moto 4 Tech
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Hiflofiltro HF171
- Premium Hiflofiltro HF171
- Premium K&N KN-171
Air filter
Spec: Hiflofiltro HFA1903
- Standard Hiflofiltro HFA1903
Spark plug
Spec: NGK CR9EB
- OEM NGK CR9EB
- Premium NGK CR9EIX
- Standard NGK CR9EB
Front brake pads
Rear brake pads
Front tire
Spec: 150/80 R16
- OEM OEM 150/80 R16
Rear tire
Spec: 180/70 R16
- OEM OEM 180/70 R16
Battery
Spec: OEM battery: Yuasa YTX20HL-BS
- Premium Yuasa YTX20HL-BS
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 10 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 24 000 km
- OEM Hydraulic lifters — no manual adjustment needed
Suspension
Spec: 43 mm USD fork / SAE 20W
- OEM Fork: 43 mm USD fork
- OEM Fork oil grade: SAE 20W
Drive chain
