CW Sidebar on 100DS motor

[Buckelew]

the 1100DS, the one going into the Hypermotard, has 40% more torque than the 1000DS motor.

fantastic. absolutely looking forward to falling in love with this bike.

[flatovercrest]

Yes, keeping an eye on the Multistrada forum too. Those boys are starting to get their first 1100s (same as what the HM will have) and the brief reviews so far are very good..

[desmoworks]

I've ridden the 1100. Way smoother than the 1000DS motor. Stupid torque, a true wheelie machine!

[Jeff_Quan]

Originally Posted by Buckelew

the 1100DS, the one going into the Hypermotard, has 40% more torque than the 1000DS motor.

fantastic. absolutely looking forward to falling in love with this bike.

Just curious where you got the 40% figure from. When I compare the 10.5 kg-m of the 1100DS to the 9.3 kg-m of the 1000DS, I get about 13%. Is the 1100DS tuned differently for the HM than for the Multi?

[Buckelew]

Originally Posted by Jeff_Quan

Just curious where you got the 40% figure from. When I compare the 10.5 kg-m of the 1100DS to the 9.3 kg-m of the 1000DS, I get about 13%. Is the 1100DS tuned differently for the HM than for the Multi?

CW - Cycle World Magazine - a sidebar on a story.

[Grunbay]

What issue of Cycle World was that side bar in?

[flatovercrest]

Originally Posted by Grunbay

What issue of Cycle World was that side bar in?

It was in December 2006 issue.

[Grunbay]

The Cycle World sidebar said that the 1078 engine delivers 40% more torque at 2800 rpm. That makes more sense. What that will do is give the rider more grunt off of the line. A very respectable improvement over the 992 engine, but not 40% more torque overall. The Ducati engineers are bright, but even they cannot increase displacement less than 10% and yield a 40% increase in torque.

I think that it is possible that by leaving the valves the same size while increasing the bore, they are probably achieving better combustion chamber turbulence at lower RPMs, thus yielding a better burn. My guess is that when we see a dyno graph for this engine, the torque will be almost the same, or even lower at high rpms than the 992 engine. At high engine speeds bored-out engines can run into inadequate valve area if the valves are not increased in size proportionally. Although I doubt that a 5% increase in bore should create an issue in that regard, but may be slightly noticeable on a dyno.

After all, it is the torque that one feels as one runs up through the revs that yields Grunt. A 40% increase at 2800 rpm will be very noticeable, and very welcome! Any trade-off at the top end would be invisible outside of a race track.

I understand that the Hypermotard will be shipped with a dry clutch. I would welcome the increased torque, but I don't want to give up the clutch rattle, as antiquated as that design may be!

[Caidly]

Originally Posted by desmoworks

I've ridden the 1100. Way smoother than the 1000DS motor. Stupid torque, a true wheelie machine!

Ya think so?

[desmoworks]

Originally Posted by CTarna

Ya think so?

Whoa! This thread is almost 3 years old - how did you end up with this!?

But, yes - after logging quite a few miles on both motors my comment still stands