Because the engine isn't designed for topend power.really interested in getting a 919. Tryin to get a new one if possible. Anyway, does anyone know why the redline is 9500? I know its a low end bike but just curious
No, I sure don't. Never did it myself, and charts of the two bikes on the same dyno from the same day I bet just don't exist.That doesn't sound right to me.
Do you have dyno charts that show this extra power?
You wouldn't need the bikes to be run on the same dyno on the same day as we aren't interested in outright power numbers. We merely need to see the shape of the curve. Your suggestion of stronger midrange would show an obvious convex curve. Sportrider have the 919 dyno but nothing before 2000 unfortunately. I'd be surprised if it looks much different though.No, I sure don't. Never did it myself, and charts of the two bikes on the same dyno from the same day I bet just don't exist.
This is info I have from various forums on the 'net.
It does make sense, though. Smaller intakes (36mm vs. 38mm), re-timed intake & exhaust, all intended to make the 919's engine more suitable for street use (read: lower RPM). As I recall the torque numbers for the 919 are better than the 900RR in the RPM range more often used on the street. The 900RR has a higher redline and better numbers up top.
Re-reading my earlier post I see I worded things differently than my intended meaning.
9,000 RPM is near redline on the 919, and right in the power band of the 900RR.
The better power I refer to is around the 5,000 RPM range, not 9,000.