Harley-Davidson Road Glide 107 (FLTRX 2017–2023) — OEM Fluid, Tire Pressure & Maintenance Specs
1,746cc Air/Oil-Cooled 45° V-Twin Milwaukee-Eight 107 · Source: Harley-Davidson Road Glide 107 (FLTRX 2017–2023) (2017–2023) Official Owner’s Manual Maintenance Specifications
According to the Harley-Davidson Road Glide 107 (FLTRX 2017–2023) (2017–2023) Official Owner’s Manual Maintenance Specifications, the 2017–2023 Harley-Davidson Road Glide 107 (FLTRX 2017–2023) (chassis FLTRX (107)) 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 (130/60B19 61H) and 276 kPa / 2.76 bar / 40 PSI rear (180/55B18 80H), paired with 4× HD 6R10 (31600012 Dual-Plug M8) spark plug(s) and a YIX30L-BS / HD 66010-97E battery.
Drain only: 4.3 L (4.54 US qt)
R 276 kPa (2.76 bar)
Est. Range: ~386 km (240 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: 130/60B19 61H · Rear: 180/55B18 80H (Tubeless) |
|---|---|
| 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 | YIX30L-BS / HD 66010-97E (12V 28.0Ah 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 | 1746 cc · 89 hp @ 5,450 rpm · 150 N·m (110.6 lb-ft) @ 3,250 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 695 mm (27.4 in) · 388 kg (855 lbs) |
| Fuel Tank & Est. Real-World Range | 22.7 L (6.0 US gal) · ~17 km/L → ~386 km (240 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
Produced from 2017 through 2023 with dual Daymaker sharknose headlamps, chrome engine trim, and Enforcer wheels, the standard FLTRX 107 switched from hydraulic to cable clutch in 2021.
Oil & Clutch Mechanical Engineering Note
On 2017–2019 FLTRX 107 models, verify primary vent updates during 3-Hole service and maintain 4.7 L of SAE 20W-50 engine oil checked hot on the sidestand.