DUCATI has announced that the 2021 Streetfighter V4S will be available in a new Dark Stealth colour in addition to the existing DUCATI Red colour, which will be available for the 2021 model year. In addition, all models in the DUCATI Streetfighter V4 series will now be compliant with Euro5 regulations.
All 2021 Streetfighter V4 series models will be delivered from the first quarter of 2021.
Streetfighter V4S Dark Stealth Colour
Euro5 compliant from model year 2021
Starting with the 2021 model year, all Streetfighter V4 series models will comply with Euro 5 regulations. To comply with the regulations, power and torque output and revolutions per minute have been adjusted while maintaining maximum power and torque at the same level as before. The Streetfighter V4 Euro 5 is rated at 208hp (153kW) @ 13,000rpm (250rpm higher than the Euro4 version) and maximum torque of 12.5kgm (123Nm) @ 9,500rpm (2,000rpm lower than the Euro4 version). These figures, achieved through new calibrations and a new exhaust system, make it even more fun to ride on winding roads.
Various changes have been made to the Desmosedici Strada's exhaust system and engine calibration in order to comply with the new European standards for emissions.
The silencer remains unchanged in its aesthetic design and features a larger catalyst (+10 mm in length) and new technology for precious metal impregnation, which is essential to maximise its ability to convert emissions. The length and dimensions of the rear bank exhaust manifold have been optimised to ensure that the catalytic converter reaches operating temperature in the shortest possible time, while maintaining engine performance.
Compared to the Euro4 model, the rear bank manifold has been shortened by 100mm and its diameter has been reduced from 42mm to 38mm. The new components allow for a more compact rear heat shield that is integrated into the motorcycle. A total of four lambda sensors, one in each cylinder, have been fitted to constantly control the emission level. This allows for more precise control of the amount of fuel injected.
A new front brake master cylinder and a new clutch master cylinder are also fitted. Both master cylinders are of the self-bleeding type and are derived from those first used on the Superleggera V4. The body of the new master cylinder is designed to allow 'automatic' bleeding, so if air does get into the circuit, there is no need to bleed the brake system.
Original Source [ Ducati ]
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