Ducati Monster 797 / 797+ — OEM Fluid, Tire Pressure & Maintenance Specs
803cc Air/Oil-Cooled 90° L-Twin Desmodromic 2-Valve (One-Piece Trellis Frame & APTC Clutch) · Source: Ducati Monster 797 / 797+ (2017–2020) Official Owner’s Manual Maintenance Specifications
According to the Ducati Monster 797 / 797+ (2017–2020) Official Owner’s Manual Maintenance Specifications, the 2017–2020 Ducati Monster 797 / 797+ (chassis MD/ZDMMD00AA) requires 3.1 L (3.28 US qt) of SAE 15W-50 (JASO MA2, API SM / Shell Advance Ducati 15W-50) engine oil for a drain-only change and 3.3 L (3.49 US qt) with filter service (44440035A / HF153). Standard solo cold tire pressure is 250 kPa / 2.50 bar / 36 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 DCPR8E spark plug(s) and a YT12B-BS battery.
Drain only: 3.1 L (3.28 US qt)
R 250 kPa (2.50 bar)
Est. Range: ~314 km (195 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: 3.1 L (3.28 US qt) • With filter/strainer: 3.3 L (3.49 US qt) • Complete dry overhaul: 3.6 L (3.80 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: 250 kPa / 2.50 bar / 36 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 250 kPa / 2.50 bar / 36 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| OEM Spark Plug & Quantity | NGK DCPR8E × 2 (Gap: 0.7–0.8 mm) |
| OEM Battery Code & Rating | YT12B-BS (12V 10.0Ah Slim MF AGM) |
| Final Drive Maintenance | 520 Sealed X-Ring Chain — Maintain 25–35 mm slack and clean/lubricate regularly |
| Brake Fluid & Coolant | DOT 4 · Air/Oil-Cooled Engine (No liquid coolant) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 803 cc · 73 hp @ 8,250 rpm · 67 N·m (49.4 lb-ft) @ 5,750 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 805 mm (31.7 in) · 193 kg (425 lbs) |
| Fuel Tank & Est. Real-World Range | 16.5 L (4.4 US gal) · ~19 km/L → ~314 km (195 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
Final air-cooled Desmodue Monster built around a full one-piece steel trellis frame before the 2021 transition to the liquid-cooled Monster 937.
Oil & Clutch Mechanical Engineering Note
Cable-actuated APTC wet slipper clutch shares crankcase oil—run strictly SAE 15W-50 JASO MA2 synthetic (3.3 L w/ filter) to prevent high-gear slip.
Garage Wrenching Gotchas
- Lifting the 16.5 L steel fuel tank is required for air filter and vertical plug service; route breather hoses carefully on reassembly to prevent fuel starvation.
- Alloy sump threads strip easily above 20 N·m—always fit a fresh crush washer and torque wrench rather than tightening by feel.
5. Frequently Asked Questions (FAQ)
What oil volume, JASO grade, and oil filter code does the Ducati Monster 797 / 797+ (2017–2020) require?
Because its wet multi-plate clutch shares engine oil with the gearbox, run SAE 15W-50 (JASO MA2) at 3.1 L (3.28 US qt) drain-only and 3.3 L (3.49 US qt) with filter (44440035A / HF153).
How do you accurately check the oil level on the Monster 797 / 797+, and what are its service intervals?
Hold the motorcycle dead-vertical on level ground 2–3 minutes after warm shutdown and verify the oil sits mid-way between the Upper and Lower marks in the crankcase sight glass—never on the sidestand. Torque the drain plug to 20 N·m with a new crush washer. Factory oil change intervals are every 12,000 km, with valve clearance inspection every 12,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the Monster 797 / 797+?
Fitted with 120/70 ZR17 M/C (58W) front and 180/55 ZR17 M/C (73W) rear tubeless rims (compatible with roadside plug kits), set cold tire pressures to 36 / 36 PSI (250/250 kPa) solo or 36 / 42 PSI loaded. Seat height is 805 mm (31.7 in) at 193 kg wet weight, delivering ~314 km per 16.5 L tank.