Increase hp in the CBR500 - Honda CBR500R Forum : CB500F and CB500X Forums
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post #1 of 154 (permalink) Old 03-21-2013, 06:47 PM Thread Starter
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Increase hp in the CBR500

Hi all,

As we all know the CBR500 series bike is delivered with a 47hp engine (and its roumored that the US version will contain 54hp)

So, does anyone know if it shall become possible to increase the hp, and probably how?

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post #2 of 154 (permalink) Old 03-22-2013, 03:58 AM
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Hopefully it's just a ecu edit, that would be great!!!!!!!!!
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post #3 of 154 (permalink) Old 03-22-2013, 05:48 AM
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Its actually rumored in NZ (and hence AU) as well. A guy on the CBR250.net form says his dealer swears the bike for NZ is 54HP. I'll beleive the rumour mill once they release them here and Australian Cycle News tests them as promised in the April edition.

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post #4 of 154 (permalink) Old 03-22-2013, 04:30 PM
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Free flowing intake

Full exhaust

and a Tune

That might get you a bit more power and response.
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post #5 of 154 (permalink) Old 03-22-2013, 05:44 PM
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i doubt they made changes to the engine/exhuast/intake, i reckon the ecu would be slighty de-tuned to meet legal power to wieght requirements in countries with the restrictions. i reckon a simple ecu edit will be all it takes to go from 47 to 54hp
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post #6 of 154 (permalink) Old 03-23-2013, 01:44 AM Thread Starter
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I guess the warranty will be void if you do a ecu edit, it definetly will with a new exhaust.. How will a tune up affect the resale value?
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post #7 of 154 (permalink) Old 03-25-2013, 05:35 PM
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I think there is a cheap mod that we can do to increase flow to the intake for a slight increase of horsepower. For the cbr600rr there was a mod to remove plastic baffles that reduces flow to the filter. I think when we all get the CBR500R we can take a look if this is the case for us too. I'll be putting in either a bmc race filter or a K&N filter.
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post #8 of 154 (permalink) Old 03-25-2013, 05:58 PM
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I have heard of this mod to where people would gut the airbox to increase flow and it does get louder too from what I've heard. Those baffles are in place to keep the volume of air to stay at a certain consistency and also to control the volume of sound. Its a little too soon, but I guess we can look at it once the bikes are out.

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post #9 of 154 (permalink) Old 03-25-2013, 07:25 PM
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Remove the snorkel

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post #10 of 154 (permalink) Old 03-25-2013, 07:59 PM Thread Starter
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What snorkel? On the exhaust?
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