Yoshi cams installed

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Yoshi cams installed

Post  Bandakias on Sat 13 Dec 2014, 5:02 am

Hi, finaly the yoshimura camshafts are installed Very Happy 

Today we did dyno adjustment on fuel. The results are great!

Some info. I had stage 2 with Holeshot headers. Now i added the yoshi cams plus raised the compresion ratio to 12. Also raised the limiter to 10100 rpm.

See below a dyno before and after instalation.





Last edited by Bandakias on Sat 20 Dec 2014, 3:08 am; edited 1 time in total

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Re: Yoshi cams installed

Post  Bosco15 on Sat 13 Dec 2014, 6:50 am

Nice results.  
How about a bit of an introduction of yourself to the forum.  Tell us about you and your bike.

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Re: Yoshi cams installed

Post  Reardo on Mon 15 Dec 2014, 8:37 pm

Not too shabby! Still got really good torque too!

How did you raise the compression?

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2007 Bandit 1250sa Silver
*Open airbox lid with K&N.
*Removed Secondaries.
*HealTech Gear Indicator w/tre "Advanced Timing Retard Eliminator is needed".
*Balanced TB's. My TPS was fine, but you should check yours.
*Arrow race headers with Yoshimura TRS.
*PC3 with the supplied map and these mod got 123hp with 115nm of torque.
*Neville Lush Racing custom tune = 130hp with 125nm at the Tyre (Standard 98hp/108nm).
My youtube channel (clickhere)
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Re: Yoshi cams installed

Post  Ewok1958 on Mon 15 Dec 2014, 10:19 pm

Might be a dumb question: is it a 1200 or a 1250?
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Re: Yoshi cams installed

Post  Bandakias on Tue 16 Dec 2014, 3:40 am

It's the 1250.
I raised the compression by shaving the head

Today i had my first street ride. Below 3000 rpm it lost a little torque, and after that it seems very alive. At 6000 it realy wake up and until the limiter it is very very strong.

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Re: Yoshi cams installed

Post  Chook on Tue 16 Dec 2014, 5:51 am

Bosco15 wrote:
How about a bit of an introduction of yourself to the forum.  
X2, there is a whole Topic just for that 

Impressive results, although personally as I'm getting older and lazier I'm not sure I'd want to sacrifice any of the low rev torque
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Re: Yoshi cams installed

Post  barry_mcki on Tue 16 Dec 2014, 7:38 am

Bandakias wrote:It's the 1250.
I raised the compression by shaving the head

Today i had my first street ride. Below 3000 rpm it lost a little torque, and after that it seems very alive. At 6000 it realy wake up and until the limiter it is very very strong.

Kudos to you for the work involved in getting these results, some impressive figures and with a bit of fine tuning and fuel map tweeks I dare say more to come Cool

However, I'm with Chook (and he is probably right about it being an age thing), its the lazy low down grunt that keeps me attracted to the 1250, to be in any gear and having a small twist of the throttle to get you out of trouble.  To tell the truth, the only time mine has spent any real time up in the high revs was on the dyno, its nice to know its there, but my sedate riding style means its the lower revs where I spend the marority of my time.

Still, we like hearing what can be done to our machines, so don't let a couple of old farts (sorry Chook Laughing  ) deter you from where you want to take it.

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Re: Yoshi cams installed

Post  2wheelsagain on Tue 16 Dec 2014, 8:57 am

These figures show what can be done. They also probably show what Suzuki should/could have done in the first place. Cool

Have you fitted a water temp gauge Bandakias? A bigger combustion bang would stretch the B1250 radiator I'd suspect.


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Re: Yoshi cams installed

Post  Dekenai on Tue 16 Dec 2014, 12:03 pm

Did you 'dial-in' the cams?  If you did, you slot the cam wheels (sprockets) or buy some variable sprockets?

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Re: Yoshi cams installed

Post  Bandakias on Wed 17 Dec 2014, 8:13 am

2wheelsagain wrote:These figures show what can be done. They also probably show what Suzuki should/could have done in the first place. Cool

Have you fitted a water temp gauge Bandakias? A bigger combustion bang would stretch the B1250 radiator I'd suspect.

No i have not. There is no such indication

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Re: Yoshi cams installed

Post  Bandakias on Wed 17 Dec 2014, 8:14 am

Dekenai wrote:Did you 'dial-in' the cams?  If you did, you slot the cam wheels (sprockets) or buy some variable sprockets?

Regards

Yes, they are dial-in. The stock sprockets were sloted.

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Re: Yoshi cams installed

Post  dhula on Fri 19 Dec 2014, 6:08 pm

Pics
Intro
More info



Stop making us ask as we hate pulling teeth, just give us all the info




Pretty please with a cherry on top (or is that supposed to be ort grey)

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Re: Yoshi cams installed

Post  MIKER on Sun 28 Dec 2014, 11:40 pm

Great results, the gains certainly are impressive Cool without being critical of your bike, i also enjoy the unmolested Bandits low down torque Wink

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Re: Yoshi cams installed

Post  stu on Mon 29 Dec 2014, 10:05 am

Gee, I need to take the valve cover off mine... maybe while I'm there I can "accidentally" change the cams..." Smile

That's a hefty change....

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Re: Yoshi cams installed

Post  Bandakias on Thu 27 Aug 2015, 6:04 pm

dhula wrote:Pics
Intro
More info



Stop making us ask as we hate pulling teeth, just give us all the info




Pretty please with a cherry on top (or is that supposed to be ort grey)
Hi, sorry for late reply but thinks are a bit grazy here in Greece. Crying or Very sad
What picture do you want? Off me naked on the beach Laughing
On the first post i mention the basic info. I had stage 2 with headers. The modifications are pretty simple except probaply the ecu hacking.
The camshafts were installed and degreed by the mechanic (we did not used the yoshimura timing. For that we sloted the camshaft sprockets ) and the head cylider was shaved about 0,8mm to achive 12/1 compression rate. Finaly we installed the second butterflies in again and removed TFI , as we hacked the ecu of the bike for fuel map and rised the rev limiter.
For info purpose only, the mechanic told me that this machine has a lot more to give. The yoshi cams are very small and bigger can be used more compression and head porting.

I have video with a Gsx750r of a friend of mine which shows the power of bandit.
The strange think  i found out after trying different sprocket compinations 17-45, 17-43, 18-43, is that the fastet compo is the 18-43 Shocked .

https://www.youtube.com/watch?v=RCqordnd6kU

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Re: Yoshi cams installed

Post  Bandakias on Tue 10 Jan 2017, 6:16 am

Some more hidden power!
Gsxr 1000 throttle bodies plus porting. True rev limiter 10500rpm. Is a little off on the dynograph.


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Re: Yoshi cams installed

Post  reddog on Tue 10 Jan 2017, 9:33 am

Very nice. I hope you've attached the suspension along the way or it'll be a fair handful Smile
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Re: Yoshi cams installed

Post  Ewok1958 on Tue 10 Jan 2017, 4:56 pm

Crikey. That is serious power and torque.  bounce
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Re: Yoshi cams installed

Post  gus on Tue 10 Jan 2017, 6:01 pm

I believe I have a pair of gsxr cams for the 1200 in the shed . Maybe someone wants to try them . I will need them replaced with stock ones Or these sent back but no hurry .
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Re: Yoshi cams installed

Post  Reardo on Tue 10 Jan 2017, 6:15 pm

Nice work!!!
I think it's time you make a new youtube video of this awesome machine. 
A walk around and fly by would be cool.
Has the exhaust note change?
Did you use the Holeshots Re flash ECU?
What year model throttle bodies fit?
What's next???? BIG BORE KIT!!!

oh yeah, hi everyone!  Very Happy

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2007 Bandit 1250sa Silver
*Open airbox lid with K&N.
*Removed Secondaries.
*HealTech Gear Indicator w/tre "Advanced Timing Retard Eliminator is needed".
*Balanced TB's. My TPS was fine, but you should check yours.
*Arrow race headers with Yoshimura TRS.
*PC3 with the supplied map and these mod got 123hp with 115nm of torque.
*Neville Lush Racing custom tune = 130hp with 125nm at the Tyre (Standard 98hp/108nm).
My youtube channel (clickhere)
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Re: Yoshi cams installed

Post  Bandakias on Tue 10 Jan 2017, 7:10 pm

Photo with gsxr bodies. The only thing i want to improve is the throttle cables. Reverse them to fit from up of the bodies.
The intakes adapters are custom made from me Very Happy  with hayabusa boots. I did fit the throttles with stock boots but it did not work. Very few power gains on top. Just the adapters help quite a bit to optimize the flow.


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Re: Yoshi cams installed

Post  Bandakias on Tue 10 Jan 2017, 7:15 pm

Next step should be a decent intake camshaft. The yoshimura one is quite small with 8,8mm lift and only 234 duration. Propably one with 9,5 lift and about 250 duration gets me near 170 rwp.

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Re: Yoshi cams installed

Post  Reardo on Tue 10 Jan 2017, 7:27 pm

Awesome work mate!
Did you keep the bandit injector or GSXR?
Keep up the good work @Bandakias

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2007 Bandit 1250sa Silver
*Open airbox lid with K&N.
*Removed Secondaries.
*HealTech Gear Indicator w/tre "Advanced Timing Retard Eliminator is needed".
*Balanced TB's. My TPS was fine, but you should check yours.
*Arrow race headers with Yoshimura TRS.
*PC3 with the supplied map and these mod got 123hp with 115nm of torque.
*Neville Lush Racing custom tune = 130hp with 125nm at the Tyre (Standard 98hp/108nm).
My youtube channel (clickhere)
avatar
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Re: Yoshi cams installed

Post  Bandakias on Tue 10 Jan 2017, 8:52 pm

Gsxr ones. From bandit did not fit. The bodies are from 2004 model. After that they have 8 injectors so was very hard to fit them.

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Re: Yoshi cams installed

Post  2wheelsagain on Wed 11 Jan 2017, 11:01 am

Any word on the braking and suspension?

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