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CBR fuelling..

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Bike_craze1
Trackday Trickster



Joined: 23 Sep 2008
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PostPosted: 00:54 - 03 Aug 2013    Post subject: CBR fuelling.. Reply with quote
I own a 2007 CBR600RR, its been serviced, oil filter, oil, spark plugs etc.
it's got a Jardine back box, but under and around 5k revs the fueling feels like its bogging, keeping the throttle in position it sounds like the fueling isn't right.
Letting off the throttle while still accelerating, it sounds like its bogging down, any ideas what this is? throttle position sensor?
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-Matt-
World Chat Champion



Joined: 28 Apr 2013
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PostPosted: 01:48 - 03 Aug 2013    Post subject: Reply with quote
Probably best off in the workshop forum to be honest Thumbs Up

Did this start since the jardine was installed or before/bought it with the jardine in this situation Question
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Bike_craze1
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Joined: 23 Sep 2008
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PostPosted: 02:33 - 03 Aug 2013    Post subject: Reply with quote
Yeh man I've tried, no one really knows. I bought it with the Jardine with no standard.
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-Matt-
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Joined: 28 Apr 2013
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PostPosted: 02:49 - 03 Aug 2013    Post subject: Reply with quote
As a very wild guess - misfuelling because it needs remapping or something due to to the jardine Confused Thats beyond my technical limits as it is really, seek professional help Embarassed
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.....
Quote Me Happy



Joined: 15 Jan 2005
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PostPosted: 06:40 - 03 Aug 2013    Post subject: Reply with quote
Any cheap standard cans on eBay? Put one on and see if the problem is still there.
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j.silvs
World Chat Champion



Joined: 01 Dec 2012
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PostPosted: 08:05 - 03 Aug 2013    Post subject: Reply with quote
Did the cat get removed?
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BigDan1190
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Joined: 03 Mar 2010
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PostPosted: 08:23 - 03 Aug 2013    Post subject: Reply with quote
Joe wrote:
Any cheap standard cans on eBay? Put one on and see if the problem is still there.



Good answer! Karma
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Bike_craze1
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Joined: 23 Sep 2008
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PostPosted: 00:21 - 04 Aug 2013    Post subject: Reply with quote
Tbh it must be the fueling, or the throttle position sensor.
Yeh I could have a look but then if its the same, I'll have to spend 300 doe anyway for a Power Commander, I looked at the filter, its K&N, I've been told they use K&N filters standard though.
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-Matt-
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Joined: 28 Apr 2013
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PostPosted: 00:34 - 04 Aug 2013    Post subject: Reply with quote
Doubt itd be the K&N i barely noticed any change what so ever when i put one in my last 2 bikes
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Acemastr
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Joined: 01 Oct 2008
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PostPosted: 00:41 - 04 Aug 2013    Post subject: Reply with quote
My Beowulf is the same without the baffle, fuelling feels off.

You'll need a baffle or power commander
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j.silvs
World Chat Champion



Joined: 01 Dec 2012
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PostPosted: 07:36 - 04 Aug 2013    Post subject: Reply with quote
Bike_craze1 wrote:
Tbh it must be the fueling, or the throttle position sensor.
Yeh I could have a look but then if its the same, I'll have to spend 300 doe anyway for a Power Commander, I looked at the filter, its K&N, I've been told they use K&N filters standard though.


If you have a SET valve then remove it and it will run better.

But an after market exhaust plus race filter = mapping issue.

I bought a PCIII off a site for £100 so check ebay and forums for one. There's nothing wrong with the bike it's just your fuelling.

If there's a tuning place near you go and pop in as they might be able to re map the ECU on your bike then there's no need for a PC.

If you decide to get one then I recommend getting your bike dyno'd so the can make a custom map for your bike. But that will add another £150 onto your spend

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P.addy
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 08:27 - 04 Aug 2013    Post subject: Reply with quote
No difference was noticed on my CBR when I swapped cans.

Either buy a power commander or a stock can.
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Wafer_Thin_Ham
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Joined: 18 Nov 2005
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PostPosted: 11:15 - 04 Aug 2013    Post subject: Reply with quote
Bike_craze1 wrote:
, I've been told they use K&N filters standard though.


AFAIK they use Honda air filters.
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evoboy
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Joined: 20 Aug 2009
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PostPosted: 12:43 - 04 Aug 2013    Post subject: Reply with quote
Wafer_Thin_Ham wrote:
Bike_craze1 wrote:
, I've been told they use K&N filters standard though.


AFAIK they use Honda air filters.


This.

It wants a power commander and dyno time.

Nothing else will sort it.

So you either;

- Buy a stock can.

- Buy a Power Commander and give it to someone to tune up.
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Bike_craze1
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Joined: 23 Sep 2008
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PostPosted: 21:16 - 04 Aug 2013    Post subject: Reply with quote
Thanks a lot people Very Happy
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Old Thread Alert!

The last post was made 13 years, 85 days ago. Instead of replying here, would creating a new thread be more useful?
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