In comparing dyno graphs of the 08 ZX-10 to the 08 GSXR 1000, I see we have a redline at 13000 on the ZX-10 and 13.75K on the GSXR. Both bikes were fitted with Akrapovik exhaust. The ZX-10 makes the best hp of the two at 12500 rmp. The GSXR makes it's highest hp at 12000 rpm. That's 1750 rpm of hp decline on top for the GSXR .

So what is all the extra revs for with the GSXR?

* Last updated by: Rook on 8/3/2009 @ 5:44 PM *

The ZX-10 makes the best hp of the two at 12500 rmp. The GSXR makes it's highest hp at 12000 rpm.

You mean, makes the 'best torque' and the highest HP?
It took less time to reach whatever at 12000 than it did at 12500.

Either way, the torque sets the HP/HP sets the torque. Add all those calc's and formulas to come up with what is simply 'time' being that one number to start with is one variable.

Find the other two and there is your 4th variable. How can two different bikes have the same cc, same head cc say. Now dyno both.

So, which is the stroke of the rod to bore is how one would also attain a 1000 cc. Sea the head change if the bore does in cc? One design may have made better time of the air. Longer the rod, the more torque = Like using an extra handle for leverage. Sounds like a cam has to be added in > Port design. Valve angle to head from 12:00, and now extend out either direction for your angles.

Those are just a few variables why the extra revs. Why the torque and HP have those slight changes to 1000cc of a head game you play with this vacuum called = 14.7 Piss is piston slapping in the air you cannot control either so write it in the snow, "Little Zipper."

Extra rpm is for over rev, keeps you from having to shift up to a higher gear on a tight track. The new liters put out about the same peak torque as older liters just at a higher rpm.

Kruz

I can't find the link now but I'm sure both bikes are pretty close in power at any rpm. The ZX-10 is a bit higher in peak hp.

I can see how 1700 rpm of over rev might be preferable to a slow, careful shift on a track...if you really know how to ride. I don't see me ever getting there. I'm too careful because i can't afford to wreck a bike or myself.