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post #1 of 67 (permalink) Old 06-09-2008, 06:11 AM Thread Starter
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500r Mods?

Hey guys! Does anyone know of anything that I could do to my ninja to give it more bottom end power? I know it's only been six weeks or so but I'm starting to get a little frustrated with it. Any suggestions would be nice!

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post #2 of 67 (permalink) Old 06-09-2008, 06:19 AM
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You could change the sprockets or you could just run the bike in lower gears all the time.

Here's a descriptive link on the idea of sprocket changes.

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post #3 of 67 (permalink) Old 06-09-2008, 06:26 AM
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post #4 of 67 (permalink) Old 06-09-2008, 07:05 AM
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The smaller the engine, the more important it is to keep it in its powerband. Wind that thing up, don't bog it down.




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post #5 of 67 (permalink) Old 06-09-2008, 07:12 AM Thread Starter
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Quote:
Originally Posted by kanwisch View Post
You could change the sprockets or you could just run the bike in lower gears all the time.

Here's a descriptive link on the idea of sprocket changes.
That's perfect, thanks!

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The smaller the engine, the more important it is to keep it in its powerband. Wind that thing up, don't bog it down.
It redlines at 11.. Do you know if it's okay to run it real close to that all the time?

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post #6 of 67 (permalink) Old 06-09-2008, 07:15 AM
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It redlines at 11.. Do you know if it's okay to run it real close to that all the time?
usually the power starts to drop off when you near redline. So I'd say you want to keep it somewhere around 7-8K to get the most power out of it.

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post #7 of 67 (permalink) Old 06-09-2008, 07:29 AM Thread Starter
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usually the power starts to drop off when you near redline. So I'd say you want to keep it somewhere around 7-8K to get the most power out of it.
It doesn't kick in until 7-8 though... Maybe I should shift around 9? I never did learn about the powerband on it...

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post #8 of 67 (permalink) Old 06-09-2008, 07:33 AM
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usually the power starts to drop off when you near redline. So I'd say you want to keep it somewhere around 7-8K to get the most power out of it.
Not usually on kawis. My bike pulls continuously to the rev limiter. That's why I'm always bouncing off the damned thing.


Ryde, there is no way in hell you have "outgrown" the power on that bike already. Just twist the throttle harder, ehh? Damn.



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post #9 of 67 (permalink) Old 06-09-2008, 07:37 AM
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Usually, engine wear increases dramatically in the last 500-1000rpm before red line. I would stay out of those, but anything before that is fair game, as long as you warm your engine up first. I cannot stress this point enough, do not run your engine hard before its been warmed up. Start your bike before putting on your gear.
The rule of thumb with 600's is to always keep the needle in the upper 3'rd of the tach. So for real performance, dont let the needle drop below 10k. I cant seem to find a hp chart for your bike, but if you have one post it up and I'll tell you for sure. Here is the rough way of calculating the powerband.
1. Find a HP to rpm chart.
2. Find the peak HP on the chart
3. Draw a vertical line from the peak down.
4. Make a point roughly 70% up the height of this line.
5. Draw a horizontal line from this point, and stretch it lower into the rpm range, untill it intersects the hp curve.
6. where your line intersects the HP cure, draw another vertical line going down. Whatever RPM that happens to fall on is the start of your powerband.




-- Thats Just The Way I Roll

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-—Theodore Roosevelt

"In war there is no substitute for victory."
---Douglas MacArthur, General

"Beware of those in whom the urge to punish is strong".
---Johann Wolfgang Goethe


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post #10 of 67 (permalink) Old 06-09-2008, 08:05 AM
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Great info, Vash

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