Indian Chief Dark Horse (Thunderstroke 116) — OEM Fluid, Tire Pressure & Maintenance Specs
1,890cc Air-Cooled 49° V-Twin OHV 3-Cam Pushrod Thunderstroke 116 (Unit Sump) · Source: Indian Motorcycle Chief Dark Horse (Thunderstroke 116, 2022+) Official Owner’s Manual
According to the Indian Motorcycle Chief Dark Horse (Thunderstroke 116, 2022+) Official Owner’s Manual, the 2022–Present Indian Chief Dark Horse (Thunderstroke 116) (chassis Steel-Tube Chief 116/TS116) requires 5.2 L (5.49 US qt) of SAE 20W-40 (JASO MA, Indian Motorcycle Semi-Synthetic 20W-40 JASO MA / MA2) engine oil for a drain-only change and 5.7 L (6.02 US qt) with filter service (Indian 2521421 (Kit 2880912 / HF198)). 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 (180/65B16 81H), paired with 2× NGK DCPR8E (Indian 3088051) spark plug(s) and a YTX14AH-BS / Indian 12V 14Ah AGM battery.
Drain only: 5.2 L (5.49 US qt)
R 276 kPa (2.76 bar)
Est. Range: ~264 km (164 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 20W-40 · JASO MA · Indian Motorcycle Semi-Synthetic 20W-40 JASO MA / MA2 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 5.2 L (5.49 US qt) • With filter/strainer: 5.7 L (6.02 US qt) • Complete dry overhaul: 6.2 L (6.55 US qt) |
| OEM Oil Filter Code & Type | Indian 2521421 (Kit 2880912 / HF198) |
| Correct Oil Level Check Method | Upright on level ground; screw dipstick ALL THE WAY IN, then remove to read level |
| Oil Drain Bolt Torque | 20 N·m (14.8 lb-ft / 2.04 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 130/60B19 61H · Rear: 180/65B16 81H (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: 283 kPa / 2.83 bar / 41 PSI |
| OEM Spark Plug & Quantity | NGK DCPR8E (Indian 3088051) × 2 (Gap: 0.90 mm (0.035 in)) |
| OEM Battery Code & Rating | YTX14AH-BS / Indian 12V 14Ah AGM (12V 14.0Ah High-CCA AGM) |
| Final Drive Maintenance | Indian Carbon-Reinforced Final Drive Belt — Zero lube required |
| Brake Fluid & Coolant | DOT 4 · Air-Cooled Thunderstroke 116 (No coolant — equipped with Rear Cylinder Deactivation) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 1890 cc · 89 hp @ 4,500 rpm · 162 N·m (119.5 lb-ft) @ 3,200 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 662 mm (26.1 in) · 304 kg (670 lbs) |
| Fuel Tank & Est. Real-World Range | 15.1 L (4.0 US gal) · ~17.5 km/L → ~264 km (164 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 800 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
Completely redesigned for 2022+ (Chief Centennial generation) onto a compact tubular-steel frame with the 4-inch round touchscreen RIDE COMMAND display, shedding ~50 kg (304 kg wet) compared to pre-2021 cast-aluminum heavyweight Vintage/Chief cruisers.
Oil & Clutch Mechanical Engineering Note
Unlike Harley’s 3-Hole Big Twins, the 1,890cc air-cooled Thunderstroke 116 uses a unit-construction semi-dry sump sharing one massive 5.7 L (6.0 US qt) bath of SAE 20W-40 JASO MA semi-synthetic oil (do NOT confuse with the liquid-cooled Scout/Challenger 15W-60 spec!).
Garage Wrenching Gotchas
- Pull BOTH magnetic crankcase drain plugs underneath the Thunderstroke 116 to evacuate all ~5.7 L of old oil, then warm up, hold the bike strictly upright, and thread the dipstick fully in to verify level.
- At hot idle in traffic, Rear Cylinder Deactivation automatically cuts fuel to the rear jug to reduce saddle heat—the exhaust note changes at stops and seamlessly resumes V-twin firing the instant you crack the throttle.
5. Frequently Asked Questions (FAQ)
How much oil does the Thunderstroke 116 take, and why does Indian specify 20W-40?
Service refill with filter (2521421) requires 5.5–5.7 L (up to 6.0 US qt, Kit 2880912) of Indian SAE 20W-40 JASO MA, formulated specifically for the Thunderstroke’s hydraulic lifters and shared wet clutch.
Does the Indian Chief Dark Horse have separate primary and transmission fluids?
No—its gear-driven primary, wet clutch, and 6-speed gearbox all share the single 5.7 L engine oil supply.
What is the cold tire pressure for the Indian Chief Dark Horse?
Cold inflation is 36 PSI (248 kPa) front (130/60B19) and 40 PSI (276 kPa) rear (180/65B16), or 41 PSI rear heavily loaded.