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SB6 carb questions.
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Evilchicken0



Joined: 12 May 2010
Posts: 2996
Location: London

PostPosted: Thu Jul 05, 2012 5:39 pm    Post subject: Reply with quote

I think the difference is between the generic and specific. When Dynojets first came out they were for specific models, they were produced using the bikes and running them on a dyno. I thought the later kits were produced from data rather than acutal bikes.
I've heard one guy who chased dynojetted carbs all round the settings and couldn't get them right, then reverted to stock and it was just as good.
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CBar



Joined: 05 Jan 2010
Posts: 142
Location: Texas

PostPosted: Thu Jul 05, 2012 6:02 pm    Post subject: Reply with quote

Evilchicken0 wrote:
I've heard one guy who chased dynojetted carbs all round the settings and couldn't get them right, then reverted to stock and it was just as good.


I've experienced this, though it usually involved individual air filters.

I experienced an improvement with my kit on the SB6 and I would certainly use the kit again. It still took some tuning. Dynojet recommended groove 3 on the needle and I ended up using #4. They also recommended 2.5 turns on the mixture screw which caused problems for me. I am less than 2 turns now. I used the largest jets that came with the kit.
http://www.dynojet.com/pdf/6203.pdf

My mods since settings will vary depending on the bike: The right side of my airbox has been cut out to match the left side. I cut a high-flow filter to fit. I also cored the stock exhaust. I tapered the baffle to match the larger pipes on one end and the smaller exits on the other end.
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Evilchicken0



Joined: 12 May 2010
Posts: 2996
Location: London

PostPosted: Thu Jul 05, 2012 8:02 pm    Post subject: Reply with quote

Mine's got that, althought the cans are the race style ones, I think the biggest problem with the exhaust is the T section where the single pipe branches into two.
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Vince186



Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)

PostPosted: Mon Jul 09, 2012 7:24 am    Post subject: Reply with quote

Still no progress…….waiting on parts. Mad Mad Mad
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vince
A person who never made a mistake never tried anything new. Albert Einstein
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Vince186



Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)

PostPosted: Sun Jul 22, 2012 8:46 am    Post subject: Reply with quote

Finally the parts where delivered, opened the package and……. That’s strange… the jet needle looks different… Confused Shocked Shocked Sad ....f**k.... Evil or Very Mad Evil or Very Mad Evil or Very Mad

The parts that were delivered are for a 38mm carb… Sad
Now I can wait again two or three weeks for the right parts. Evil or Very Mad Crying or Very sad

Just when we get better weather in the Netherlands..
Crying or Very sad Crying or Very sad Crying or Very sad
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vince
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oily



Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire

PostPosted: Sun Jul 22, 2012 8:55 am    Post subject: Reply with quote

Vince186 wrote:
Finally the parts where delivered, opened the package and……. That’s strange… the jet needle looks different… Confused Shocked Shocked Sad ....f**k.... Evil or Very Mad Evil or Very Mad Evil or Very Mad

The parts that were delivered are for a 38mm carb… Sad
Now I can wait again two or three weeks for the right parts. Evil or Very Mad Crying or Very sad

Just when we get better weather in the Netherlands..
Crying or Very sad Crying or Very sad Crying or Very sad


Just to cheer you up, I'll be sending you some carbon fibre this week and I'll be putting a few miles on one of the Bims (wednesday and Thursday off work) just for you Laughing
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SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED
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Vince186



Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)

PostPosted: Sun Jul 22, 2012 9:11 am    Post subject: Reply with quote

oily wrote:
Vince186 wrote:
Finally the parts where delivered, opened the package and……. That’s strange… the jet needle looks different… Confused Shocked Shocked Sad ....f**k.... Evil or Very Mad Evil or Very Mad Evil or Very Mad

The parts that were delivered are for a 38mm carb… Sad
Now I can wait again two or three weeks for the right parts. Evil or Very Mad Crying or Very sad

Just when we get better weather in the Netherlands..
Crying or Very sad Crying or Very sad Crying or Very sad


Just to cheer you up, I'll be sending you some carbon fibre this week and I'll be putting a few miles on one of the Bims (wednesday and Thursday off work) just for you Laughing



Thanks ........ I will be waiting for the carbon fibre. Smile

You mean ...... I may borrow one of your Bims to put some miles on it.
Smile Wink
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vince
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oily



Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire

PostPosted: Sun Jul 22, 2012 10:58 am    Post subject: Reply with quote

Vince186 wrote:

You mean ...... I may borrow one of your Bims to put some miles on it.
Smile Wink


...of course, several sat here doing nothing Laughing
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SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED
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Vince186



Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)

PostPosted: Sat Aug 11, 2012 9:07 am    Post subject: Reply with quote

Last update,

Yesterday I received the last parts of the carbs and this time they are the right parts. Smile
Immediately began reassembling the carbs, install them on the bike and synchronize them.
Finished the bike and …… finally I can make a test ride. Smile

It runs great……now I have a smile form ear to ear an it is still on my face. Smile Smile Smile

It’s smooth in all the revs no hick up what so ever.

If you are to rough with the throttle immediately the front wheel is in the air. And that’s good, it saves tires. Cool

The carbs settings are:
needle 6ZD13-4th
P-2 needle jet
122 main jet
#40 pilot jet
Pilot screw 1-5/8 turns out

This weekend I want to try the top speed of the Bim and to find out if it runs okay at high speed.
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vince
A person who never made a mistake never tried anything new. Albert Einstein
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Vince186



Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)

PostPosted: Sun Aug 12, 2012 9:34 pm    Post subject: Reply with quote

The bike runs fine, only I had some problems with cornering……… it didn’t feel right.. So mine idée was to find out what’s wrong.
I go to what we call over here a trefoil (an intersection of highways only with right-hand bends) to test the bike at different speeds.

At low speed it was fine, at middle speed the front doesn’t feel secure, at high speed a had a lot of oversteer. It feels like the front tire will go down under me.
At that time I now enough, so let’s go home…… Surprised

Directly on the highway a silver Audi rs4 sedan past my and showed me a sign that was illuminates with “police follow”……f**k….. It’s not my day……
Sad Mad

The very fine police officers had made a video of me when I was making the bends for more than ten minutes….. Damn mirrors on the Bim… Sad . They give a fine of 323 euro for speeding. 87 km where 50 km is allowed… Sad .I was lucky ,I could do better…. Confused
They preached for 15 minutes and showed me the video….
According to them the public road is not a circuit….. Confused

Now the difficult part…. tell the misses… Shocked
Probably it cost me another 323 euro…..she want to buy shoes of that amount of money.. Shocked


O…. the oversteer was caused by underinflation of the front tire. Rolling Eyes
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vince
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oily



Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire

PostPosted: Sun Aug 12, 2012 10:03 pm    Post subject: Reply with quote

Wow...that's rough Shocked

and I thought we had it bad in the UK.

SB6 is very critical of tyre pressures as you now know Laughing

Worst thing is.........323 euro and you still don't know how it performs at speed Crying or Very sad
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SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
Sb6 or Sb7 WANTED
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Vince186



Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)

PostPosted: Mon Aug 13, 2012 10:10 am    Post subject: Reply with quote

oily wrote:


Worst thing is.........323 euro and you still don't know how it performs at speed Crying or Very sad



The next time I go across the border into Germany.

Is only 15 minutes drive for me.

Germans are much more relaxed with speed. Cool Cool
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vince
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Evilchicken0



Joined: 12 May 2010
Posts: 2996
Location: London

PostPosted: Mon Aug 13, 2012 1:07 pm    Post subject: Reply with quote

That's rough matey, but over here you'd be fined and banned. At least you're only 10 mins from Germany (SB6 time)
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Vince186



Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)

PostPosted: Mon Aug 13, 2012 7:29 pm    Post subject: Reply with quote

Evilchicken0 wrote:
At least you're only 10 mins from Germany (SB6 time)

Laughing

Theoretically it is possible within 7 1/2 minutes.

But than I have to drive like a mad man.. Smile
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vince
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SiBag



Joined: 03 Mar 2012
Posts: 251
Location: Cheshire

PostPosted: Mon Aug 13, 2012 7:43 pm    Post subject: Reply with quote

To be fair you were clocked at nearly twice the legal limit.
And no the Germans are as harsh about speeding in the 50 zones.
There is a time and a place for everything.
The only places I ride quick is out of town and villages. 60mph zones etc, thats 100kph or so in your money. If I got caught doing 55mph in a 30mph zone Id be using the bus, and witing for the end of my ban.
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SB6..CCM R30...GSXR-750-M...RGV-250-VJ22.. GSX-1100-EFE Project....Harris Magnum II project...

If its got Ti#s or Wheels its gona give you trouble
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