Indian Roadmaster / Roadmaster Limited (Thunderstroke 116) — OEM Fluid, Tire Pressure & Maintenance Specs
1,890cc Air-Cooled 49° V-Twin Pushrod Thunderstroke 116 · Source: Indian Roadmaster / Roadmaster Limited (Thunderstroke 116) (2020–Present) Official Owner’s Manual Maintenance Specifications
According to the Indian Roadmaster / Roadmaster Limited (Thunderstroke 116) (2020–Present) Official Owner’s Manual Maintenance Specifications, the 2020–Present Indian Roadmaster / Roadmaster Limited (Thunderstroke 116) (chassis Cast-Aluminum Full-Dress TS116) requires 5 L (5.28 US qt) of SAE 20W-40 (JASO MA, Indian Thunderstroke 20W-40 Semi/Full Synthetic) engine oil for a drain-only change and 5.2 L (5.49 US qt) with filter service (Indian 2540086 / HF198). Standard solo cold tire pressure is 248 kPa / 2.48 bar / 36 PSI front (130/90B16 73H) and 283 kPa / 2.83 bar / 41 PSI rear (180/60R16 80H), paired with 2× Champion RC10PYPB4 / NGK BKR7EIX spark plug(s) and a YTX20HL-BS / GYZ20HL battery.
Drain only: 5 L (5.28 US qt)
R 283 kPa (2.83 bar)
Est. Range: ~333 km (207 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 Thunderstroke 20W-40 Semi/Full Synthetic |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 5 L (5.28 US qt) • With filter/strainer: 5.2 L (5.49 US qt) • Complete dry overhaul: 5.7 L (6.02 US qt) |
| OEM Oil Filter Code & Type | Indian 2540086 / 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: 130/90B16 73H · Rear: 180/60R16 80H (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 248 kPa / 2.48 bar / 36 PSI Rear: 283 kPa / 2.83 bar / 41 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 | Champion RC10PYPB4 / NGK BKR7EIX × 2 (Gap: 0.9 mm) |
| OEM Battery Code & Rating | YTX20HL-BS / GYZ20HL (12V 18–20Ah 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 | 1890 cc · 92 hp @ 4,500 rpm · 168 N·m (123.9 lb-ft) @ 2,900 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 673 mm (26.5 in) · 412 kg (908 lbs) |
| Fuel Tank & Est. Real-World Range | 20.8 L (5.5 US gal) · ~16 km/L → ~333 km (207 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
Flagship air-cooled full dresser packing 137+ L of weatherproof cargo and ClimaCommand heated/cooled seating; standard Roadmaster wears a 16-inch valanced fender while Limited runs an open 19-inch wheel.
Oil & Clutch Mechanical Engineering Note
At 412 kg wet with lower fairings, rely on Rear Cylinder Deactivation in traffic and change all 5.2 L of SAE 20W-40 JASO MA oil promptly every 8,000 km.