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cbr125 tuning??

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highland biker
Spanner Monkey



Joined: 17 Nov 2007
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PostPosted: 21:53 - 23 Nov 2007    Post subject: cbr125 tuning?? Reply with quote
Anyone know if fitting an aftermarket exhaust to my cbr 125 will make a difference? Ive heard it helps it to start accelerating/hold speed in 6th gear

please let me know. Cheers
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eddclarke
Brolly Dolly



Joined: 10 Jul 2006
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PostPosted: 02:55 - 24 Nov 2007    Post subject: Reply with quote
It will make it sound different...thats about it
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numpty
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Joined: 20 Jun 2006
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PostPosted: 19:01 - 24 Nov 2007    Post subject: Reply with quote
Makes no difference to the performance it just makes it sound better. If you want performance then the best one is fitting a 14 tooth front sprocket. This will allow it to accellerate quicker and it will also increase top speed as it lets the bike rev out in 6th gear. Basically it makes 6th gear useable rather than just an overdrive. They're only about 15 quid and take minutes to fit.
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TUG
World Chat Champion



Joined: 12 May 2007
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PostPosted: 00:04 - 25 Nov 2007    Post subject: Reply with quote
EDIT: fitting an exhaust can increase horsepower if set up with the carb or decrease it if not set up correctly to your carb, and fueling. Thumbs Up
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Last edited by TUG on 00:53 - 26 Nov 2007; edited 1 time in total
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Ichy
World Chat Champion



Joined: 15 Jul 2005
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PostPosted: 00:11 - 25 Nov 2007    Post subject: Reply with quote
XlonewolfX wrote:
fitting an exhaust can increase horsepower or decrease it f set up correctly to your carb, and fueling. Thumbs Up


So he will end up with less horsepower or maybe more, superb bit of info there.



A new exhaust will make very little difference unless the existing system is restricted in some way. Everyone does it at some point but at the end of the day there's no replacement for displacement. Save your money for a bigger bike in the future.
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Noxious89123
World Chat Champion



Joined: 10 Jun 2007
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PostPosted: 00:21 - 25 Nov 2007    Post subject: Reply with quote
numpty wrote:
If you want performance then the best one is fitting a 14 tooth front sprocket. This will allow it to accellerate quicker and it will also increase top speed as it lets the bike rev out in 6th gear. Basically it makes 6th gear useable rather than just an overdrive. They're only about 15 quid and take minutes to fit.


Mine can rev out in 6th gear.... Indicated 85mph, think its closer to 78.
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'06 Honda CBR125RW-6 ~ '00 Honda CBR600F-Y ~ '07 Honda CBR600RR-7 ~ Bikeless Sad
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AJI
World Chat Champion



Joined: 07 Aug 2007
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PostPosted: 14:39 - 25 Nov 2007    Post subject: Re: cbr125 tuning?? Reply with quote
highland biker wrote:
Anyone know if fitting an aftermarket exhaust to my cbr 125 will make a difference? Ive heard it helps it to start accelerating/hold speed in 6th gear

please let me know. Cheers


I can't make any claims for performance but this place seem to know their stuff with CBR125s: https://www.wellerracingcorporation.com/

Do lots of flash custom exhausts and full systems which at least look a bit better than the normal bolt-ons.
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fazza59
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Joined: 22 Feb 2007
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PostPosted: 19:34 - 25 Nov 2007    Post subject: Re: cbr125 tuning?? Reply with quote
AJI wrote:
highland biker wrote:
Anyone know if fitting an aftermarket exhaust to my cbr 125 will make a difference? Ive heard it helps it to start accelerating/hold speed in 6th gear

please let me know. Cheers


I can't make any claims for performance but this place seem to know their stuff with CBR125s: https://www.wellerracingcorporation.com/

Do lots of flash custom exhausts and full systems which at least look a bit better than the normal bolt-ons.


Most seem to be race pipes, not road legal. The one's for the CBR, performance and GP Moto style look great Rolling Eyes Weedy exhaust for a weedy looking bike.

Save your money, add the £250 to your bike fund. Thumbs Up
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AJI
World Chat Champion



Joined: 07 Aug 2007
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PostPosted: 21:00 - 25 Nov 2007    Post subject: Reply with quote
Nah I think only one of them is non road-legal from what I can see, a grey straight through one. The rest are legal. And if he wants an exhaust for his CBR let him get one Thumbs Up
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Noxious89123
World Chat Champion



Joined: 10 Jun 2007
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PostPosted: 00:05 - 26 Nov 2007    Post subject: Re: cbr125 tuning?? Reply with quote
fazza59 wrote:
Save your money, add the £250 to your bike fund. Thumbs Up


Can't agree more tbh.

I'm in the same boat as you, stuck on a 125cc for now...

But don't bother trying to make it faster, its just not worth it.

Put the money towards passing your test!
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'06 Honda CBR125RW-6 ~ '00 Honda CBR600F-Y ~ '07 Honda CBR600RR-7 ~ Bikeless Sad
'53 Ford Ka 1.3 ~ '03 Vauxhall Astra SRi 1.8 ~ '52 Vauxhall Astra SRi 2.2 ~ '53 Vauxhall Astra GSi
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numpty
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Joined: 20 Jun 2006
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PostPosted: 00:22 - 27 Nov 2007    Post subject: Reply with quote
I put a scorpion can on mine and it did make it sound a lot better but did jack shit for the performance.
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chris-red
Have you considered a TDM?



Joined: 21 Sep 2005
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PostPosted: 01:27 - 27 Nov 2007    Post subject: Reply with quote
I seem to remember reading that a micron can increased the performance of a CBR125 by 23% Shocked.

Here we go,

"Micron launched a replacement aftermarket road legal slip on silencer for the new HONDA CBR 125R last month (APRIL 2004)and have received a tremendous response and demand worldwide.
The Micron legal silencer offers customers an amazing 23.5% power increase – while still being on the right side of the law"

https://www.performancemotorcycleparts.com/index.htm?content=http%3A//www.performancemotorcycleparts.com/exhaust_pages/micron/delta_plus_silencers.htm

Weather thats true or not I couldn't say
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