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New '08 Ducatis! - Ducati 848, 1098R, And Monster 696 - Late Braking

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The New 848 And 1098R Sportbikes Cause A Stir At The Milan Show, As Well As The New-Generation Monster 696

Instead of making an early splash at the Paris Show that is held in September, Ducati held its '08-model cards until the rival Milan Show in November. Making their public debuts were the new 848, the replacement for the aging 749 middleweight; the 1098R, the platform upon which Ducati will base its World Superbike campaign since the FIM/FG Sport ruling allowing 1200cc twins into the series was finally approved; and the new-generation Monster 696, the latest version of the bike that started the "naked" design trend and basically saved Ducati from financial ruin.

 2008 Ducati Ducati 848
Ducati 848

848
Following the displacement progression of its 1098 brother that debuted in 2007, the old 749 gains a 100cc boost in size with the new 848. Taking the bore/stroke configuration of the 749R (which at 94x54mm was much more oversquare than the standard 749 at 90x58.8mm), Ducati engineers added a significant 7.2mm of stroke to arrive at the 848's 94x61.2mm layout for a total displacement of 849cc. The cylinder head features the same included valve angle as the 1098,with larger bi-metallic valves; the intakes grow to 39.5mm from the 749's 37mm and 749R's 38mm units, while the exhaust poppets increase to 32.5mm in diameter from the previous 30mm components. Compression ratio increases to 12:1 from the 749's 11.7:1, although it's below the 749R's 12.7:1.

 749R Engine
Increasing the stroke by 7.2mm over the 749R engine provides a 100cc-displacement boost along with a substantial increase in claimed power.

The same elliptical throttle-body design introduced on the 1098 finds its way to the 848, albeit with a smaller 56-sq-mm area compared with its bigger brother's 60-sq-mm size. Following the lead of many newer Ducatis, the 848 also trades the previous fragile dry clutch for a wet multi-plate unit that not only has superior durability but is also 3.5 pounds lighter. The entire engine adopts the same guidelines as the 1098, so besides being more compact, the cylinders and heads utilize fewer parts (plus many magnesium ones, such as the camshaft cover). The 848 is the first Testastretta Evoluzione engine, however, to use a new type of forced-vacuum die casting for the engine cases called Vacural that prevents porosity and oxidation, allowing higher strength with less material-enough to cut an amazing 7.7 pounds of weight from the engine.

All these changes result in a whopping 30 percent increase in claimed power, with the 848 powerplant peaking at 134 horsepower at 10,000 rpm and 70.8 ft-lb at 8250 rpm of torque.

The trademark chromoly-steel-tube trellis frame has a simplified layout with larger-diameter main-section tubes (34mm from 28mm) that have a wall-thickness reduction from 2mm to 1.5mm. The result is a 14 percent increase in rigidity along with a 3.3-pound weight reduction. The swingarm is the same as the 1098's hybrid construction, utilizing cast- and stamped-aluminum-sheet sections, with the rear suspension also following suit in its usage of a tandem shock linkage that saves weight and reduces stress on the trellis frame's shock mount area.

Suspension at both ends is Showa, with the 43mm inverted fork sporting radial mounting for the Brembo monoblock calipers that are mated to 320mm discs. Wheels are the forged-aluminum Y-spoke Marchesinis first seen on the '07 S-model Ducatis; the front wheel is said to be 250 grams lighter, while the 5.5-inch-wide rear wheel has a claimed 2.2-pound weight reduction.

The 848's streamlined and more efficient design results in a whopping 44-pound drop in heft from its 749 predecessor. Combined with the tremendous increase in power, it should make for an exciting ride. We'll be getting our first taste of the 848 (MSRP is $12,995) in the next issue of Sport Rider. Stay tuned.

 2008 Ducati Ducati 1098R
Ducati 1098R

1098R
The R version of the 1098-the bike that will be the foundation for Ducati's Superbike racing activities for the immediate future-finally makes its appearance for 2008. The 1098R comes equipped with numerous features that put it a big step above the standard and S-model 1098. One of those is the fitment of a true traction-control system that can be accessed with the race-kit ECU that comes with the bike.

The reasoning behind Ducati's ultimately successful campaign last year for a change to a 1200cc displacement limit for V-twins in World Superbike competition is apparent from the 1098R's engine size. By increasing bore from 104mm to 106mm and stroke from 64.7mm to 67.9mm, the engine displacement grows from 1098cc to 1198cc. The monster bore allows a corresponding ncrease in valve sizes, with the intakes growing to 44.3mm (from 42mm) and the exhausts enlarging to 36.2mm (from 34mm); all four valves in each cylinder are now titanium. The combustion chamber has been reworked, with compression ratio jumping a bit from 12.5:1 to 12.8:1, and cam covers are specially cast magnesium.

With such large pistons running at high rpm, considerable work went into their design to keep rigidity high and combustion blow-by/oil consumption to a minimum. The underside of the piston has double ribbing for increased strength to endure the high inertia loads, and titanium connecting rods (130 grams lighter than the steel con-rods in the standard 1098) are fitted to make sure the bottom end can handle the loads as well.

The 1098R's transmission sports a different sixth-gear ratio along with stronger construction that includes a controlled shot-peening process on the gear teeth. A slipper clutch with the same design as the unit first fitted to the 749R (although available as an accessory through the Ducati Performance catalog) is used on the 1098R to eliminate wheel hop during aggressive corner entries.

 2008 Ducati Ducati 1098R Side View
Ducati 1098R

To complement the increased breathing requirements of the 1098R's engine, the elliptical-shaped throttle bodies' cross section has increased from the 1098's 60.0 sq mm to 63.9 sq mm. In order to guarantee enough fuel flow the 12-hole side injector in each throttle body is joined by a single four-hole shower-style injector. On the other side of the combustion equation, the 1098R's stainless steel exhaust is even lighter than the system fitted to the 1098, though it shares the same 2-into-1-into-2 configuration with 52-57mm-diameter tubing that has 30 percent thinner wall thickness (0.8mm).

The biggest news with the 1098R, however, is the inclusion of a racing kit with the bike that contains a pair of 102-dB carbon mufflers and dedicated ECU permitting access to the Ducati Traction Control (DTC) system developed from Ducati Corse's World Superbike campaign. When the DTC is activated, the rider can choose among eight different traction-control programs depending on tarmac conditions and rider skill.

Major changes to the chassis include the fitment of an -hlins new-generation TTX twin-tube rear shock. Developed straight from the MotoGP grid, the TTX shock's innovative design allows better damping control, more oil volume and less internal pressure than conventional shock designs. A 43mm inverted -hlins fork is used up front, holding radial-mount Brembo monoblock calipers gripping huge 330mm discs for superb stopping power. The same lightweight Y-spoke forged-aluminum wheels as the 848 (albeit with a 6-inch-wide rear wheel) are fitted. Claimed dry weight is 367 pounds.

Owning the most powerful and advanced twin-cylinder sportbike ever produced (claimed power figures are 180 horsepower at 9750 rpm, with 98.82 ft-lb of torque at 7750 rpm) won't be cheap; suggested retail price for the Ducati 1098R is $39,995. If it performs as well on the pavement as it looks on paper, though, the 1098R will surely give the dominant four-cylinders a very hard time.


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