Harley-Davidson Heritage Classic 114 (FLHCS Softail) — OEM Fluid, Tire Pressure & Maintenance Specs
1,868cc Air/Oil-Cooled Dual-Counterbalanced 45° V-Twin Milwaukee-Eight 114 · Source: Harley-Davidson Heritage Classic 114 (FLHCS Softail) (2018–2024) Official Owner’s Manual Maintenance Specifications
According to the Harley-Davidson Heritage Classic 114 (FLHCS Softail) (2018–2024) Official Owner’s Manual Maintenance Specifications, the 2018–2024 Harley-Davidson Heritage Classic 114 (FLHCS Softail) (chassis FLHCS) requires 4.3 L (4.54 US qt) of SAE 20W-50 (JASO MA2, Screamin’ Eagle SYN3 20W-50 / H-D 360 20W-50) engine oil for a drain-only change and 4.7 L (4.97 US qt) with filter service (HD 62700296 / 62700297 (HF171C)). Standard solo cold tire pressure is 248 kPa / 2.48 bar / 36 PSI front (130/90B16 73H) and 276 kPa / 2.76 bar / 40 PSI rear (150/80B16 77H), paired with 4× HD 6R10 (31600012 Dual-Plug M8) spark plug(s) and a YTX20HL-BS / HD 65989-97E battery.
Drain only: 4.3 L (4.54 US qt)
R 276 kPa (2.76 bar)
Est. Range: ~344 km (214 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 20W-50 · JASO MA2 · Screamin’ Eagle SYN3 20W-50 / H-D 360 20W-50 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 4.3 L (4.54 US qt) • With filter/strainer: 4.7 L (4.97 US qt) • Complete dry overhaul: 5.2 L (5.49 US qt) |
| OEM Oil Filter Code & Type | HD 62700296 / 62700297 (HF171C) |
| Correct Oil Level Check Method | At full operating temperature resting ON THE SIDESTAND (Jiffy Stand); thread dipstick in to read |
| Oil Drain Bolt Torque | 24 N·m (17.7 lb-ft / 2.45 kgf·m) — Use fresh crush washer |
| Primary Chaincase Fluid | 1065 ml (1.06 L) — H-D Formula+ Primary & Clutch Fluid (900–1,065 ml wet refill) |
| Separate Transmission / Gearbox Oil | 828 ml (0.83 L) — H-D Formula+ or Heavy Synthetic Gear Oil 80W-140 (828 ml / 28 oz) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 130/90B16 73H · Rear: 150/80B16 77H (Tube-Type Spoke Rim) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 248 kPa / 2.48 bar / 36 PSI Rear: 276 kPa / 2.76 bar / 40 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 248 kPa / 2.48 bar / 36 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| OEM Spark Plug & Quantity | HD 6R10 (31600012 Dual-Plug M8) × 4 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTX20HL-BS / HD 65989-97E (12V 18.0Ah Heavy-Duty AGM) |
| Final Drive Maintenance | Carbon/Aramid Reinforced Secondary Belt — Inspect belt deflection and pulley debris |
| Brake Fluid & Coolant | DOT 4 · Air/Oil-Cooled Engine (No liquid coolant) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 1868 cc · 94 hp @ 5,020 rpm · 155 N·m (114.3 lb-ft) @ 3,000 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 680 mm (26.8 in) · 330 kg (728 lbs) |
| Fuel Tank & Est. Real-World Range | 18.9 L (5.0 US gal) · ~18.2 km/L → ~344 km (214 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,600 km • Engine Oil / Filter: 8,000 km / 8,000 km • Air Filter / Spark Plug: 24,000 km / 48,000 km • Valve Clearance Check: 48,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Reborn on the monoshock Softail chassis in 2018, the FLHCS features a detachable windshield and lockable hard-framed bags, offered with either tube-type laced wheels or optional 2022+ tubeless cast alloys.
Oil & Clutch Mechanical Engineering Note
Rigid-mounted in the Softail frame with dual internal counterbalancers and a downtube oil cooler, the FLHCS 114 runs 4.7 L of SAE 20W-50 engine oil in a classic 3-Hole layout.
Garage Wrenching Gotchas
- Factory wire-spoked FLHCS wheels require inner tubes and rim strips—rope plugs cannot repair a flat, and spoke nipple tension should be checked at every 8,000 km service.
- The hidden Softail monoshock preload adjuster sits directly beneath the rider seat; remove the single seat screw and turn the collar hex to match solo vs two-up luggage weight.
5. Frequently Asked Questions (FAQ)
How are engine and separate drivetrain fluid capacities split on the Harley-Davidson Heritage Classic 114 (FLHCS Softail)?
The engine sump takes 4.3 L drain-only and 4.7 L (4.97 US qt) with filter (HD 62700296 / 62700297 (HF171C)) of SAE 20W-50 (JASO MA2), while isolated drivetrain cavities (primary chaincase 1065 ml, separate gearbox 828 ml) require dedicated gear/chaincase fluid.
How do you accurately check the oil level on the Heritage Classic 114 (FLHCS Softail), and what are its service intervals?
Bring the engine to full operating temperature and check the Full Hot mark with the motorcycle resting on its sidestand (Jiffy Stand) on level pavement—measuring upright leads to crankcase overfill and breather blow-by. Torque the drain plug to 24 N·m with a new crush washer. Factory oil change intervals are every 8,000 km, with valve clearance inspection every 48,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the Heritage Classic 114 (FLHCS Softail)?
Equipped with 130/90B16 73H front and 150/80B16 77H rear tube-type rims (mushroom/string plugs will not seal—carry spare inner tubes), set cold tire pressures to 36 / 40 PSI (248/276 kPa) solo or 36 / 42 PSI loaded. Seat height is 680 mm (26.8 in) at 330 kg wet weight, delivering ~344 km per 18.9 L tank.