Mercedes SL63 AMG vs Yamaha R1 300km/h
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That's the trouble with speed limiters on vehicles, everything travels on the limiter and it's very difficult to overtake...
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That's one unrestricted 63 
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Speechless.
My thoughts exactly...
WDB124066
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Doing that on the open road is a bit naughty, just as well for the biker they weren't in the corners....
Sp!ke
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Ditto the SL63 driver.
Niks
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Thats some crazy stuff. Something tells me its not an AMG... more like a Brabus if its going more than 300km/h.
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The 300kph (186mph) is a restriction (up from the standard 250kph restriction).
Unrestricted it would do more as standard.
That's one unrestricted 63
Does anybody know if the bike would be restricted or is that the top speed for a R1?
WDB124066
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Be good to see these guys on a track...
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A Hayabusa tops 200mph, but it's more aerodynamically dressed.
An R1 is a lighter, less powerful track type bike.
Sp!ke
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The 1999 Hayabusa was unrestricted, other years were restricted to 187mph but in reality 300kmh is flat out for any stock Busa. A true calibrated 187mph would be an indicated 210-215mph iirc.
They are very easy to fettle with however and are very strong motors capable of reliably running at 500bhp without huge amounts of money being thrown at them. 250mph+ is then not unheard of.
The R1 video didnt look to me like it was doing a true 299kmh. At that speed things close in a fair bit quicker if my memory serves me right. More likely it had a sprocket change altering gearing and indicated speed.
I would take a stab at that being about 150mph real speed.
They are very easy to fettle with however and are very strong motors capable of reliably running at 500bhp without huge amounts of money being thrown at them. 250mph+ is then not unheard of.
The R1 video didnt look to me like it was doing a true 299kmh. At that speed things close in a fair bit quicker if my memory serves me right. More likely it had a sprocket change altering gearing and indicated speed.
I would take a stab at that being about 150mph real speed.
. Did seem to be accelerating very hard compared to the bike. Can't be standard can it?
jamesfuller
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165-170mph is when things start getting warped and really going backwards.
And you start noticing corners that aren't there when cruising at 130.
Ian Donkin
Active Member
The bike speedo seemed to be static at 299kph across a wide rev range... Surely this wouldn't be the case.
Mighty fast either way!
Mighty fast either way!
