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Discussion Starter #1 (Edited)
Ducati lowers power claims | Visordown

959 Panigale – was 157hp, now 150hp (7hp drop)

1299 Panigale – was 205hp, now 197hp (8hp drop)

Panigale R (1198cc) – was 205hp, now 196hp (9hp drop)

Monster 797 – was 75hp, now 73hp (2hp drop)

Monster 821 – was 112hp, now 109hp (3hp drop)

Monster 1200 – was 150hp, now 147hp (3hp drop)

Monster 1200 R – was 160hp, now 152hp (8hp drop)

Diavel – was 162hp, now 152hp (10hp drop)

XDiavel – was 156hp, now 152hp (4hp drop)

Multistrada 950 – was 113hp, now 113hp (unchanged)

Multistrada 1200/Enduro – was 160hp, now 152hp (8hp drop)

Hypermotoard – was 113hp, now 110hp (3hp drop)

SuperSport – was 113hp, now 110hp (3hp drop)
 

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:|...


Ducati USA still lists the 959 at 158 HP... (not 157... not 150...) although now they appear to have added a caveat.

"* The power/torque values indicated are measured using an engine dynamometer according to homologation regulation and they correspond to the homologated data, as quoted in the Bike Registration Document."
 

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who cares what Ducati marketing people do and say- we ride the thing and know what it's got! if you want real numbers put it on a dyno, that's the only way to know absolutely. It would be interesting to have 20 AWS bikes show up for a day at the shop to be dynoed, and see what each individual bike does and correlate it with how it was broken in...

ohh - they did that because of the new FE coming out...
 

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Discussion Starter #4
Yeah, it's all about assumptions and input values; garbage-in, garbage-out.
Ducati was previously measuring pulling power using 157 Shetland Ponies but now they have to use 150 Clydesdale horses.
 

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Dyno reports have shown approximately 133 rear wheel HP which is all that counts, I don't give any credence to published crankshaft HP figures anyway.
 

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Discussion Starter #6
I took this morning's coffee relax time to study the dark arts about dyno's. Among the half dozen articles read, this one is not the deepest but probably the easiest and most concise of the lot for a cursory understanding.

Dyno Testing Basics: Engine Dynos vs. Chassis Dynos
 

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Not to mention, different altitudes/temperatures/humidity levels all affect the engine output. At the dyno, even regardless of what correction factors are applied (largely an estimate).

"* The power/torque values indicated are measured using an engine dynamometer according to homologation regulation and they correspond to the homologated data, as quoted in the Bike Registration Document."
I wonder what this actually means. Too bad there's nowhere that lists what the homologation regulations are. Is there?
 

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I think Ducati's just covering their butt. There are too many people out there that would file a lawsuit because their bike didn't make the claimed horsepower. Keep in mind who owns Ducati, and the legal trouble they just went through. I'm sure they would rather change their horsepower claims and shoot low, than to be back in court.
 

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Meh,

OEM dyno numbers are a marketing tool. Every top end bike now is "200+" to stay with the cool kids.

We mod our bikes so OEM numbers go right out the door.....


Japanese car markers use to have a "gentlemans agreement" where all their cars would only ever had a max HP of 208kw. The Nissan R34 GT-R off the floor would pump out 250kw easy.
on the fip side, I Australia with the Holden (GM chev) Clubsport they say 420kw power. Out of the showroom it only got 310kw.
 
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