Ducati 999R – webBikeWorld

24 Mar 2015 | Author: | Comments Off on Ducati 999R – webBikeWorld
Ducati 999 R

Photographs and text courtesy of Ducati Motor S.p.A.

An evolution of power, aerodynamics and style, for a dream Ducati which is more competitive and powerful than ever.

Based on the motorcycle representing Ducati in this year’s American Superbike Championship (AMA), the 999R has been significantly upgraded for the American market. A new front fairing, new rear swing arm and suspension, a major upgrade to 150 horsepower for the engine are all intended to reinforce the bike’s Superbike status.

AMA technical regulations allow fewer modifications to the engine than the international Superbike regulations so Ducati, which returned to the AMA championship this year, has produced an engine with technical characteristics that are much closer to those of the racing version.

The new 999R is yet another step forward in Ducati tradition, which has always been characterized by the manufacture of series production bikes similar to their race versions not only in styling, but also in technical features.

Project features

The basic dimensions of the Testastretta engine used on the new 999R remain the same as those of the previous version. However, the maximum power and torque have been greatly increased. Compared to the previous model’s 102 kW (139 hp) at 10000 rpm, the new engine produces 110 kW (150 hp) at 9750 rpm.

The torque itself has been increased from 108 Nm (11 kgm) at 8000 rpm, to 116.7 Nm (11.9 kgm) at 8000 rpm.

New cylinder assemblies

Ducati 999 R

In order to improve performance, the cylinder heads and pistons have been completely redesigned and should really be regarded as completely new components, designed specifically for racing. The pistons are forged and constructed from an aluminum alloy with high mechanical specifications to ensure outstanding geometrical stability during the wide thermal excursions to which they are subject. The heads have undergone a radical fluid-dynamics redesign.

In order to make it possible to use larger diameter valves, their centre distances have been increased which means that the routing and dimensions of the intake and exhaust ducts have also had to be modified. The result of these modifications is evident from the significant improvements in overall performance of the road version, which means with absolutely standard exhaust system, silencer and intake system.

Valves

The Testastretta engine of the new 999R uses titanium valves, both on the intake and exhaust. The weight saved is considerable, especially if we consider the strong accelerations imposed by the high engine speed.

The use of titanium has obliged Ducati to use special valves seats and guides.

The intake and exhaust systems

Ducati 999 R
Ducati 999 R
Ducati 999 R


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