Harley-Davidson Pan America 1250 Special (RA1250S) — OEM Fluid, Tire Pressure & Maintenance Specs
1,252cc Liquid-Cooled 60° V-Twin DOHC Dual-VVT Revolution Max 1250 (150 hp + Chain) · Source: Harley-Davidson Pan America 1250 / Special (RA1250S) Official Owner’s Manual
According to the Harley-Davidson Pan America 1250 / Special (RA1250S) Official Owner’s Manual, the 2021–Present Harley-Davidson Pan America 1250 Special (RA1250S) (chassis RA1250S (Special)/RA1250) requires 4 L (4.23 US qt) of SAE 15W-50 (JASO MA2, API SN+ / JASO MA2 Full Synthetic) engine oil for a drain-only change and 4.5 L (4.76 US qt) with filter service (HD 62700280 (Revolution Max Specific)). Standard solo cold tire pressure is 248 kPa / 2.48 bar / 36 PSI front (120/70R19 60V) and 290 kPa / 2.90 bar / 42 PSI rear (170/60R17 72V), paired with 4× HD 31600190 (Dual-Plug Revolution Max 1250) spark plug(s) and a HD 66000340 / Upgraded AGM (2024+) battery.
Drain only: 4 L (4.23 US qt)
R 290 kPa (2.90 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 15W-50 (Alt: SAE 20W-50 (Screamin’ Eagle SYN3)) · JASO MA2 · API SN+ / JASO MA2 Full Synthetic |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 4 L (4.23 US qt) • With filter/strainer: 4.5 L (4.76 US qt) • Complete dry overhaul: 5 L (5.28 US qt) |
| OEM Oil Filter Code & Type | HD 62700280 (Revolution Max Specific) |
| Correct Oil Level Check Method | At full operating temperature resting ON THE SIDESTAND (Jiffy Stand); thread dipstick in to read |
| Oil Drain Bolt Torque | 22 N·m (16.2 lb-ft / 2.24 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 120/70R19 60V · Rear: 170/60R17 72V (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 248 kPa / 2.48 bar / 36 PSI Rear: 290 kPa / 2.90 bar / 42 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 31600190 (Dual-Plug Revolution Max 1250) × 4 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | HD 66000340 / Upgraded AGM (2024+) (12V 12.0Ah–14.0Ah Sealed AGM) |
| Final Drive Maintenance | 525 Heavy-Duty O-Ring Chain — Off-road serviceable chain final drive |
| Brake Fluid & Coolant | DOT 4 · Harley-Davidson Genuine Extended Life Antifreeze & Coolant |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 1252 cc · 150 hp @ 8,750 rpm · 128 N·m (94.4 lb-ft) @ 6,750 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 850 mm (33.5 in) · 258 kg (569 lbs) |
| Fuel Tank & Est. Real-World Range | 21.2 L (5.6 US gal) · ~18.2 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
Harley’s 150 hp flagship adventure bike uniquely runs a 525 O-ring chain instead of a belt. Most riders choose the RA1250S Special with semi-active Showa suspension and Adaptive Ride Height (ARH), and 2024+ models received an upgraded higher-output charging stator and battery system.
Oil & Clutch Mechanical Engineering Note
Spinning to 9,500 rpm with zero-maintenance hydraulic valve lash adjusters, the unit-construction Revolution Max 1250 takes 4.5 L of SAE 15W-50 JASO MA2 with filter 62700280. Even if your Special has a centerstand, ALWAYS check oil HOT on the sidestand (Jiffy Stand)!
Garage Wrenching Gotchas
- Because the battery sits low behind the front skid plate and bash guard, always keep a smart maintainer connected to the pre-wired SAE tender lead on 2021–2023 models to ensure crisp cold cranking.
- Both standard cast wheels and optional cross-spoke laced adventure rims are factory tubeless, and remember this is the one modern Harley requiring regular 525 chain cleaning and lubrication.
5. Frequently Asked Questions (FAQ)
Should I check Pan America 1250 oil on the centerstand or the sidestand?
Never use the centerstand to read the oil—Harley calibrated the Revolution Max dipstick strictly for HOT checks resting on the sidestand (Jiffy Stand).
How low does Adaptive Ride Height (ARH) drop the seat on the Pan America 1250 Special?
From an 850 mm unladen low-seat setting, Adaptive Ride Height automatically lowers the suspension by 25–50 mm as you roll to a stop, bringing laden reach down near 789–830 mm.
How many spark plugs and what tire pressures does the Pan America 1250 use?
Dual-plug cylinder heads require 4 spark plugs (HD 31600190), and cold street tire pressures are 36 PSI (248 kPa) front / 42 PSI (290 kPa) rear.