Practical Sportsbikes Feature
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beardyweirdy@me.com
Running Like a Top
London
Posts: 395
Joined: Aug 2014
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RE: Practical Sportsbikes Feature
(01-19-2018 06:13 PM)PowerDubs Wrote: Bike looks great!!
I see the header has been changed, and the dynojet control boxes. Did you do anything to the intake side of the engine?
(12-16-2017 08:48 AM)The ferret Wrote: wow 98 hp I think would be the highest CB we have recorded on this forum, and that's a ton more torque too.
Those are crank #'s listed- not at the wheels as more typically quoted in the U.S. after a dyno run.
Yep, it's got both the TSR Air Intake Funnel and the TSR Air Funnel Kit, which involves opening up the injector air inlets by 10mm.
The figures I quoted are rear wheel figures form a Dyno run.
I've since put a Dynojet O2 Wide Band Commander on the bike and run it as an Autotune. I put AFR figures in the 0-2% region as well and the ruling is perfect.
(01-19-2018 06:24 PM)CBhooligan Wrote: Lovely CB! 78 lbs of torque is very nice.
(01-19-2018 06:13 PM)PowerDubs Wrote: Bike looks great!!
I see the header has been changed, and the dynojet control boxes. Did you do anything to the intake side of the engine?
(12-16-2017 08:48 AM)The ferret Wrote: wow 98 hp I think would be the highest CB we have recorded on this forum, and that's a ton more torque too.
Those are crank #'s listed- not at the wheels as more typically quoted in the U.S. after a dyno run.
Arrow headers?
Thanks,
Yep Arrow Cat Free headers with a single Over can. Takashi sold me a single one as they usually come as a pair. Sounds lovely, not too loud but a great snarl.
Yep bags of Torque everywhere. Alan the journalist who test road the bike though it had more than that. I think it's just that it all comes on from so low in the revs. Really sweet feeling. It's got a real character.... the O2 Commander really helped the low rev fuelling. Great pick up.
(01-19-2018 08:10 PM)DAC Wrote: And with that header, how exactly do you get the oil filter off?
You can't see from any of the angles but it's accessible with the headers in place. So remove as per usual.
My issue with the headers is that I think they are messy looking. Especially the 4-2-1 assembly. If I had endless cash I'd like a nice neat set from Samurider. There are some lovely neat bent pipes on there. For me, in Europe, the Arrow was a good deal and did the trick tho. Works well.
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01-20-2018 05:08 PM |
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PowerDubs
Road Warrior
NWNJ
Posts: 2,860
Joined: Jul 2016
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RE: Practical Sportsbikes Feature
The mag picture says BHP which means at the engine, not the wheel.
98whp would be somewhere between 115-120 actual engine output.
104whp / 75wtq ... for now.
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01-20-2018 05:47 PM |
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beardyweirdy@me.com
Running Like a Top
London
Posts: 395
Joined: Aug 2014
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RE: Practical Sportsbikes Feature
(01-20-2018 05:47 PM)PowerDubs Wrote: The mag picture says BHP which means at the engine, not the wheel.
98whp would be somewhere between 115-120 actual engine output.
Roger that Josh, I didn't know BHP meant at the engine... well, either way its a cuss load more ponies than it did have!
The figures I gave should have said 'at the wheel HP' - is that correct?
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01-21-2018 04:51 AM |
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PowerDubs
Road Warrior
NWNJ
Posts: 2,860
Joined: Jul 2016
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RE: Practical Sportsbikes Feature
Typically WHP
On a car they may use RWHP, AWHP...rear wheel, all wheel...
104whp / 75wtq ... for now.
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01-21-2018 03:29 PM |
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Aussieflyer
Running Like a Top
Melbourne Australia
Posts: 418
Joined: Nov 2013
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RE: Practical Sportsbikes Feature
Beardy your bike is simply stunning, well done mate. I'm looking forward to your write up when you get a chance to do it. I'm also keen to see the details on your PCV and AutoTune. I've put one on my bike and still in the process of building the fuel map with each ride ... maybe we can share maps?
Perhaps one of our forum guardian angels could add a new sticky thread where we can upload and download PCV fuel maps - please guys.
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01-27-2018 08:01 AM |
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Cormanus
Moderator
Queensland, Australia
Posts: 20,708
Joined: Dec 2013
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RE: Practical Sportsbikes Feature
That shouldn’t be a problem. I’ll send you a PM.
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01-28-2018 01:11 PM |
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beardyweirdy@me.com
Running Like a Top
London
Posts: 395
Joined: Aug 2014
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RE: Practical Sportsbikes Feature
(01-27-2018 08:01 AM)Aussieflyer Wrote: Beardy your bike is simply stunning, well done mate. I'm looking forward to your write up when you get a chance to do it. I'm also keen to see the details on your PCV and AutoTune. I've put one on my bike and still in the process of building the fuel map with each ride ... maybe we can share maps?
Perhaps one of our forum guardian angels could add a new sticky thread where we can upload and download PCV fuel maps - please guys.
Thanks man!
I will get round to writing it all up as soon as I get a bit of free time. I'm a bit busy at both ends at the mo...
I'm still working out the Auto Tune and don't fully understand the whole business, but I'll have a go and maybe we can work it out between us.
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01-29-2018 04:10 AM |
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Ulvetanna
Road Warrior
USA
Posts: 1,696
Joined: Apr 2016
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RE: Practical Sportsbikes Feature
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01-29-2018 09:40 AM |
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PowerDubs
Road Warrior
NWNJ
Posts: 2,860
Joined: Jul 2016
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RE: Practical Sportsbikes Feature
I've had an Arrow header, TSR intake, PC-V and auto tune box, and my self-modified velocity stacks all sitting on my workbench for over a year.
I need to find a local shop capable of doing a quality stainless weld for the O2 bung.
How does the exhaust sound with no cat?
I know on cars it can become quite raspy and sound ratty. (bad, in a bad way- not bad a** in a good way)
104whp / 75wtq ... for now.
(This post was last modified: 01-29-2018 06:47 PM by The ferret.)
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01-29-2018 06:03 PM |
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beardyweirdy@me.com
Running Like a Top
London
Posts: 395
Joined: Aug 2014
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RE: Practical Sportsbikes Feature
Alan, the Jurno for the piece, commented that it sounded 'Ace' with which I'd have to agree.
Sound is full and rich but howls when you pin it. Mine has an Over end can on, from Samurider. I did try it with the Arrow end can but I didn't like it so much. Especially with the Db killer removed... to loud, to 'try hard' if you know what I mean... Also, the Over can suits the bike more. Arrow now do a sleeker end can, that might suit better but, my spending days on this bike are coming to a close....
Also, It's been my experience that you need to seal the Arrow headers nicely, for two reasons.
Firstly, there are a lot of connections and you can get a bit of buzzing and rattling if you don't make sure it's all lined up nicely, flush fitting and held together with some sort of jointing compound.
Secondly, you need to stop it pulling any air into the 'pipe if your using an O2 sensor. It's confuse the Autotune if the mixture in the pipe is weekend buy air entering the system.
Worth a note, when you do seal the 'pipe with jointing compound, run the engine up to temp with the O2 sensor removed and the sealing bolt in it's place. Just long enough to get the sealing compound hot enough to set and blow the excess out of the back of the 'pipe. (Give it a good rev to blast it out)
Then once it's clear, pop the O2 sensor back in. If you don't you'll splatter the tip of your o2 sensor in goop and trash it....
Seems I do know something about this game... I really should write al this up some day ;-)
Also, Also... I used Holts Fire Gum to seal the header joints, and new Gaskets. The Holts Fire Gum is good stuff but quite runny. This means that it does get right into the join but is a bit splatter when you first fire it up.
Just though, you could heat the joints with a blow lamp to set them, which might help....
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01-30-2018 02:46 AM |
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