Ducati Monster S4Rs Testastretta (998) — OEM Fluid, Tire Pressure & Maintenance Specs
998cc Liquid-Cooled 90° L-Twin 999-Derived Deep-Sump Testastretta (Dry Clutch & Ohlins) · Source: Ducati Monster S4Rs Testastretta (998) (2006–2008) Official Owner’s Manual Maintenance Specifications
According to the Ducati Monster S4Rs Testastretta (998) (2006–2008) Official Owner’s Manual Maintenance Specifications, the 2006–2008 Ducati Monster S4Rs Testastretta (998) (chassis M4/ZDMM417AA) requires 3.3 L (3.49 US qt) of SAE 15W-50 (JASO MA2, API SM / Shell Advance Ducati 15W-50) engine oil for a drain-only change and 3.6 L (3.80 US qt) with filter service (44440035A / HF153). Standard solo cold tire pressure is 230 kPa / 2.30 bar / 33 PSI front (120/70 ZR17 M/C (58W)) and 250 kPa / 2.50 bar / 36 PSI rear (180/55 ZR17 M/C (73W)), paired with 2× NGK MAR9A-J spark plug(s) and a YT12B-BS battery.
Drain only: 3.3 L (3.49 US qt)
R 250 kPa (2.50 bar)
Est. Range: ~221 km (137 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 15W-50 · JASO MA2 · API SM / Shell Advance Ducati 15W-50 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 3.3 L (3.49 US qt) • With filter/strainer: 3.6 L (3.80 US qt) • Complete dry overhaul: 3.9 L (4.12 US qt) |
| OEM Oil Filter Code & Type | 44440035A / HF153 |
| 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 | 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: 120/70 ZR17 M/C (58W) · Rear: 180/55 ZR17 M/C (73W) (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 230 kPa / 2.30 bar / 33 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 240 kPa / 2.40 bar / 35 PSI Rear: 270 kPa / 2.70 bar / 39 PSI |
| OEM Spark Plug & Quantity | NGK MAR9A-J × 2 (Gap: 0.8 mm) |
| OEM Battery Code & Rating | YT12B-BS (12V 10.0Ah Slim MF AGM) |
| Final Drive Maintenance | 525 Heavy-Duty X-Ring Chain — Maintain 25–35 mm slack and 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 | 998 cc · 130 hp @ 9,500 rpm · 103.9 N·m (76.6 lb-ft) @ 7,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 800 mm (31.5 in) · 195 kg (430 lbs) |
| Fuel Tank & Est. Real-World Range | 14 L (3.7 US gal) · ~15.8 km/L → ~221 km (137 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 12,000 km / 12,000 km • Air Filter / Spark Plug: 12,000 km / 12,000 km • Valve Clearance Check: 12,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Succeeded the 996-powered S4R with the 999 Superbike’s 998cc deep-sump Testastretta L-twin, radial Brembos, full Ohlins suspension, and dry multiplate clutch.
Oil & Clutch Mechanical Engineering Note
998cc deep-sump Testastretta uses external spin-on filter HF153 (3.6 L SAE 15W-50 JASO MA2), dry multiplate clutch, and shorter 12,000 km Desmo intervals.