Triumph Rocket III / Classic / Touring / Roadster (2294cc) — OEM Fluid, Tire Pressure & Maintenance Specs
2,294cc Liquid-Cooled Longitudinal Inline-3 Dry-Sump (Original 2.3L Shaft Muscle Cruiser) · Source: Triumph Rocket III / Classic / Touring / Roadster (2294cc) (2004–2018) Official Owner’s Manual Maintenance Specifications
According to the Triumph Rocket III / Classic / Touring / Roadster (2294cc) (2004–2018) Official Owner’s Manual Maintenance Specifications, the 2004–2018 Triumph Rocket III / Classic / Touring / Roadster (2294cc) (chassis C23XB/SMTTC23) requires 5 L (5.28 US qt) of SAE 10W-40 (JASO MA2, API SH or higher (Castrol Power 1 Racing)) engine oil for a drain-only change and 5.4 L (5.71 US qt) with filter service (T1218001 / HF204). Standard solo cold tire pressure is 234 kPa / 2.34 bar / 34 PSI front (150/80 R17 V) and 290 kPa / 2.90 bar / 42 PSI rear (240/50 R16 V), paired with 6× NGK DPR8EA-9 (Twin-Spark 6 Plugs) spark plug(s) and a YTX20L-BS battery.
Drain only: 5 L (5.28 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~331 km (206 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-40 (Alt: SAE 15W-50) · JASO MA2 · API SH or higher (Castrol Power 1 Racing) |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 5 L (5.28 US qt) • With filter/strainer: 5.4 L (5.71 US qt) • Complete dry overhaul: 5.9 L (6.23 US qt) |
| OEM Oil Filter Code & Type | T1218001 / HF204 |
| Correct Oil Level Check Method | Dry-sump oil tank — warm engine to operating temperature and check oil tank/frame dipstick immediately after shutdown per OEM procedure (never top up cold) |
| Oil Drain Bolt Torque | 25 N·m (18.4 lb-ft / 2.55 kgf·m) — Use fresh crush washer |
| Final Drive / Bevel Gear Oil | 170 ml (0.17 L) — SAE 75W-90 Synthetic Hypoid Oil (170 ml shaft bevel box) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 150/80 R17 V · Rear: 240/50 R16 V (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 234 kPa / 2.34 bar / 34 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 234 kPa / 2.34 bar / 34 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| OEM Spark Plug & Quantity | NGK DPR8EA-9 (Twin-Spark 6 Plugs) × 6 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTX20L-BS (12V 18.0Ah High-CCA AGM) |
| Final Drive Maintenance | Integrated Cardan Shaft Final Drive — 170 ml SAE 75W-90 synthetic hypoid oil |
| 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 | 2294 cc · 148 hp @ 5,750 rpm · 221 N·m (163.0 lb-ft) @ 2,750 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 750 mm (29.5 in) · 367 kg (809 lbs) |
| Fuel Tank & Est. Real-World Range | 24 L (6.3 US gal) · ~13.8 km/L → ~331 km (206 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 / 20,000 km • Valve Clearance Check: 20,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Original 2,294cc steel-framed titan; 2010+ Roadster added ABS, mid-controls, twin black silencers, and unrestricted lower-gear torque hitting 221 N·m at 2,750 rpm.
Oil & Clutch Mechanical Engineering Note
Massive dry-sump system requires pulling ALL THREE sump/tank drain plugs to refill 5.4 L of SAE 10W-40 or 15W-50 JASO MA2 (w/ HF204), plus 170 ml shaft oil.