2026 Ducati Desmo-450MX
General Specifications
| Model | Ducati Desmo450 MX |
| Year | 2026 |
| Category | Motocross |
| Engine Type | Single-cylinder, liquid-cooled, DOHC, 4-valve, desmodromic 4-stroke with semi-dry-sump lubrication |
| Weight | 104.8 kg wet without fuel |
Engine
| Displacement | 449.6 cc |
| Bore x Stroke | 96.0 x 62.1 mm |
| Compression Ratio | 13.5:1 |
| Fuel System | Electronic fuel injection with Mikuni 44 mm throttle body and Keihin injector |
| Ignition | ECU-controlled electronic ignition with two riding modes, Ducati Traction Control, Engine Brake Control and Power Launch |
| Spark Plug | NGK SILMAR10A9S, stock number 7764 |
| Spark Plug Gap | 0.9 mm (NGK application specification) |
| Cooling System | Liquid-cooled with radiators, coolant circulation pump and hydraulically tensioned camshaft timing chain |
| Starting System | Electric start with lithium-ion battery |
Transmission
| Transmission | 5-speed manual gearbox with Ducati Quick Shift for clutchless upshifts |
| Clutch | Hydraulically operated wet multi-plate clutch |
| Final Drive | D.I.D DMS 520 chain, 13-tooth front sprocket and 49-tooth rear sprocket; primary reduction 2.45:1 |
Dimensions
| Overall Length | |
| Overall Width | |
| Overall Height | |
| Wheelbase | 1494 mm |
| Ground Clearance | |
| Seat Height | 970 mm |
| Fuel Capacity | 7.2 litres |
Chassis
| Frame | Lightweight welded aluminium twin-spar frame incorporating cast, forged and extruded components; aluminium swingarm; 27.3-degree rake and 118.4 mm trail |
| Front Tyre | 80/100-21 Pirelli Scorpion MX32 Mid-Soft | Tyre Size Guide |
| Rear Tyre | 110/90-19 Pirelli Scorpion MX32 Mid-Soft | Tyre Size Guide |
Suspension
| Front Suspension | 49 mm Showa inverted closed-cartridge coil-spring forks with Kashima-coated outer tubes, adjustable compression and rebound damping | Fork Oil Levels |
| Front Suspension Travel | 310 mm |
| Rear Suspension | Fully adjustable Showa linkage-operated monoshock with aluminium body, 16 mm shock shaft and 129 mm shock stroke |
| Rear Suspension Travel | 301 mm rear wheel travel |
| Fork Oil | Showa 49 mm closed-cartridge fork suspension oil; exact factory-approved viscosity, inner-cartridge oil volume and outer-chamber fill quantity require confirmation from the Ducati workshop manual |
Brakes & Wheels
| Front Brake | 260 mm Galfer hydraulic disc with Brembo floating two-piston caliper |
| Rear Brake | 240 mm Galfer hydraulic disc with Brembo caliper |
| Front Wheel Size | 21 x 1.60-inch Takasago Excel aluminium spoked rim with Alpina spokes |
| Rear Wheel Size | 19 x 2.15-inch Takasago Excel aluminium spoked rim with Alpina spokes |
Service Data
| Fuel Type | Unleaded petrol meeting the minimum octane and fuel-quality requirements in the 2026 Ducati owner's manual |
| Premix Information | Not applicable. Four-stroke engine with semi-dry-sump lubrication; do not add two-stroke oil to the petrol. |
| Gearbox Oil | SAE 15W-50 four-stroke motorcycle engine oil, API SP and JASO MA2, as prescribed in the 2026 Ducati owner's manual. Recommended product: Ducati Genuine Oil Powered by Shell Advance 15W-50 or Shell Advance 4T Ultra 15W-50. Engine and gearbox share the lubrication system. Confirm the exact refill quantity using the factory workshop manual and oil-level inspection procedure. |
| Air Filter | Serviceable competition-type foam air-filter element; clean and oil according to Ducati maintenance instructions |
| Service Notes | The 2026 Ducati Desmo450 MX is a factory-confirmed production motocross motorcycle following the model's initial commercial introduction in 2025. Its 449.6cc Desmo450 engine features desmodromic valve actuation, dual overhead camshafts, four valves, a 96 mm bore and 62.1 mm stroke. Ducati claims 63.5 hp at 9400 rpm and 53.5 Nm at 7500 rpm. The motorcycle uses a Mikuni 44 mm throttle body, Keihin injector, five-speed gearbox and hydraulic multi-plate wet clutch. Electronic equipment includes two riding modes, Ducati Traction Control, Engine Brake Control, Power Launch, upshift quickshifter and fall detection. Factory chassis equipment includes a welded aluminium frame, 49 mm Showa forks with 310 mm travel, Showa rear shock with 301 mm rear wheel travel, Brembo brakes and Pirelli Scorpion MX32 tyres. NGK identifies SILMAR10A9S, stock number 7764, with a 0.9 mm electrode gap as the factory spark plug application for the 2026 Ducati Desmo MX 450. Ducati specifies SAE 15W-50 API SP JASO MA2 engine oil in the 2026 owner's manual. Factory maintenance intervals include oil and oil-filter service every 15 operating hours, piston replacement and valve-clearance checks at 45-60 hours, and major engine service at 90-120 hours, subject to operating conditions and the prescribed schedule. Confirm fork oil quantities and all servicing procedures against Ducati factory workshop documentation. |
2026 Ducati Desmo450 MX – Ducati Brings Desmodromic Engineering to Motocross
The 2026 Ducati Desmo450 MX continues the Italian manufacturer's historic move into production motocross motorcycles. Introduced commercially in 2025 after an extensive racing development programme, the Desmo450 MX brought Ducati's famous desmodromic valve technology into the demanding world of off-road competition. Developed through the Italian Motocross Championship with Alessandro Lupino and Ducati Corse involvement, the motorcycle marked a significant departure from the company's traditional road-racing focus.
The 2026 model retains the established Desmo450 platform rather than introducing a completely new generation. Its 449.6cc liquid-cooled single-cylinder engine features dual overhead camshafts, four desmodromically operated valves, a 96 mm bore and 62.1 mm stroke. Ducati claims 63.5 hp at 9400 rpm and 53.5 Nm at 7500 rpm. The desmodromic system mechanically controls valve opening and closing, an approach closely associated with Ducati's road and racing engines.
Electronic fuel injection uses a Mikuni 44 mm throttle body and Keihin injector. Ducati also equips the motorcycle with adjustable riding modes, traction control, engine braking management, launch control and an electronic upshift quickshifter. These systems draw on Ducati's experience in motorcycle electronics while being adapted to motocross conditions, where maintaining rear-wheel traction is particularly important. Owners researching maintenance components can consult the MXOwners motorcycle parts finder.
The chassis combines a lightweight aluminium frame with 49 mm Showa closed-cartridge forks and a linkage-operated Showa rear shock. Front suspension travel is 310 mm, while rear wheel travel measures 301 mm. Brembo braking components, Galfer discs and Pirelli Scorpion MX32 tyres complete the competition equipment. Correct spring preload and damping adjustments remain important for achieving balanced handling, and the MXOwners rear suspension setup and adjustment guide provides additional information.
Routine servicing is essential on the high-performance Desmo450 engine. Ducati specifies engine oil and filter replacement every 15 operating hours, with piston replacement and valve-clearance inspections at intervals determined by the competition maintenance schedule. The 2026 owner's handbook prescribes SAE 15W-50 motorcycle engine oil meeting API SP and JASO MA2 standards. With its desmodromic engine, advanced electronics and race-developed chassis, the 2026 Desmo450 MX continues Ducati's ambitious entry into modern motocross.
