Triumph Scrambler 400 XC (Cross-Spoke) — OEM Fluid, Tire Pressure & Maintenance Specs
398cc Liquid-Cooled Single DOHC 4-Valve TR-Series (Tubeless Cross-Spoke & High Beak) · Source: Triumph Scrambler 400 XC (Cross-Spoke) (2025–Present) Official Owner’s Manual Maintenance Specifications
According to the Triumph Scrambler 400 XC (Cross-Spoke) (2025–Present) Official Owner’s Manual Maintenance Specifications, the 2025–Present Triumph Scrambler 400 XC (Cross-Spoke) (chassis TR4XC) requires 2 L (2.11 US qt) of SAE 10W-50 (JASO MA2, API SN / Full Synthetic 10W-50) engine oil for a drain-only change and 2.15 L (2.27 US qt) with filter service (36TA0055 / HF155). Standard solo cold tire pressure is 228 kPa / 2.28 bar / 33 PSI front (100/90 - 19 M/C 57V) and 228 kPa / 2.28 bar / 33 PSI rear (140/80 R17 M/C 69V), paired with 1× Bosch VR5NEU / NGK LKAR8A-9 spark plug(s) and a YTX9-BS / ETZ9-BS battery.
Drain only: 2 L (2.11 US qt)
R 228 kPa (2.28 bar)
Est. Range: ~364 km (226 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-50 · JASO MA2 · API SN / Full Synthetic 10W-50 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2 L (2.11 US qt) • With filter/strainer: 2.15 L (2.27 US qt) • Complete dry overhaul: 2.3 L (2.43 US qt) |
| OEM Oil Filter Code & Type | 36TA0055 / HF155 |
| Correct Oil Level Check Method | Hold bike upright on level ground 3–5 min after warm shutdown; read crankcase sight glass |
| Oil Drain Bolt Torque | 25 N·m (18.4 lb-ft / 2.55 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 100/90 - 19 M/C 57V · Rear: 140/80 R17 M/C 69V (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 228 kPa / 2.28 bar / 33 PSI Rear: 228 kPa / 2.28 bar / 33 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 228 kPa / 2.28 bar / 33 PSI Rear: 248 kPa / 2.48 bar / 36 PSI |
| OEM Spark Plug & Quantity | Bosch VR5NEU / NGK LKAR8A-9 × 1 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTX9-BS / ETZ9-BS (12V 8.0Ah MF AGM) |
| Final Drive Maintenance | 520 Sealed X-Ring Chain — Maintain 25–35 mm slack and clean/lubricate regularly |
| Brake Fluid & Coolant | DOT 4 · OAT ethylene-glycol coolant for aluminum radiators (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 398 cc · 40 hp @ 8,000 rpm · 37.5 N·m (27.7 lb-ft) @ 6,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 835 mm (32.9 in) · 186 kg (410 lbs) |
| Fuel Tank & Est. Real-World Range | 13 L (3.4 US gal) · ~28 km/L → ~364 km (226 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 16,000 km / 16,000 km • Air Filter / Spark Plug: 16,000 km / 32,000 km • Valve Clearance Check: 32,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Upgrades the cast-wheel Scrambler 400 X with side-laced tubeless wire-spoke wheels, aluminum sump guard, color-matched high beak, and lower engine bars.
Oil & Clutch Mechanical Engineering Note
Drop the aluminum sump guard to service internal filter HF155 and both mesh screens, refilling 2.15 L of full-synthetic SAE 10W-50 JASO MA2.