Ducati 900 S2 (1983–1984) — Specs
Identity
Manufacturer: Ducati
Model: 900 S2
Category: Motorcycle
Type: Motorcycle
Years: 1983 → 1984
Engine
Displacement (cc): 864
Cylinders: 2
Power (hp): 65
Power (kW): 48
Torque (Nm): 80
Dimensions
Overall length: 2180 mm
Overall width: 830 mm
Overall height: 1200 mm
Wheelbase: 1480 mm
Ground clearance: 150 mm
Weight (kg): 223
Tank (L): 18
Tires
Front tire: 120/70 ZR17
Rear tire: 180/55 ZR17
Ignition
Spark plug: NGK BP7HS
Plug gap: 0.7 mm
Fluids & Filters
Oil filter: Hiflofiltro HF153
Air filter: OEM air filter
Brake fluid: DOT 4
Fuel consumption
Estimated range: ~327 km on a full tank (18.0 L)
Service
Battery: OEM battery specification
Service interval (km): 10000
Service interval (months): 12
Valve check (km): 24000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 10,000 km or 12 months, whichever comes first. Valve clearance check every 24,000 km. Spark plug: NGK BP7HS (gap 07. mm). Brake fluid: DOT 4. Tire size: front 120/70 ZR17, rear 180/55 ZR17. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
- OEM OEM recommended engine oil
- Premium Motul 7100 4T (100% Synthetic, Ester)
- Premium Motul 5100 4T Technosynthese (Semi-Synthetic)
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Standard Repsol Moto Racing 4T (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Hiflofiltro HF153
- Premium Hiflofiltro HF153
- Premium K&N KN-153
Air filter
Spark plug
Spec: NGK BP7HS, gap 07. mm
- OEM NGK BP7HS
- Premium NGK BPR7HIX
- Standard NGK BP7HS
Front brake pads
Rear brake pads
Front tire
Spec: 120/70 ZR17
- OEM OEM front: 120/70 ZR17
Rear tire
Spec: 180/55 ZR17
- OEM OEM rear: 180/55 ZR17
Battery
- Premium Yuasa YTX14-BS or YTZ12S (typical 750-1000cc)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 10 000 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 24 000 km
- OEM Desmodromic valves — specialist service
Drive chain
