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Evilchicken0
Joined: 12 May 2010
Posts: 2996
Location: London
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 Posted: Mon Apr 23, 2012 11:26 pm Post subject: |
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Cutting the airbox on the shock side is recomended in the dyna jet kit.
The crankcase breather isn't an emissions thing it stops the crankcase building up pressure due to the pistons going up and down. the end of it can have a small filter put on the end or, more usually, it vents into the airbox. The breather pushes out air / oil vapour so it can do with going somewhere.
The SB6 has the oil filler is hard to use being behind the frame rail so it's easier to fill / top up the oil through the breather pipe.
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stockcar
Joined: 07 Apr 2011
Posts: 836
Location: in the shadow of the "angel"
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| Posted: Tue Apr 24, 2012 7:49 pm Post subject: |
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the reason it vents to the airbox IS an emissions thing as the factories are not allowed to vent oil vapour to atmosphere, the whole point is its pulled throi the motor and burnt off
as for filling the oil thro it, you need one of these...................
http://www.allmarine.cn/UserFiles/image/200852117419857.jpg |
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Evilchicken0
Joined: 12 May 2010
Posts: 2996
Location: London
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| Posted: Tue Apr 24, 2012 9:05 pm Post subject: |
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Or one of these http://www.hein-gericke.co.uk/trichter-mit-flexiblem-auslauf.html to fit in the pipe.
I read you other reply differently. I thought you ment the breather itself or the reason it was there was an emission thing, of course it isn't.
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oily
Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire
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| Posted: Tue Apr 24, 2012 9:06 pm Post subject: |
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I've just bought the tools to look into making extensions for the filler 
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SB6 mk1 (project mega light, big bore)
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Sb6R fighter
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stockcar
Joined: 07 Apr 2011
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vort28
Joined: 22 Mar 2010
Posts: 2194
Location: Northwest , UK
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| Posted: Thu Apr 26, 2012 2:37 pm Post subject: |
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The extra air duct pipe was a factory extra , was not an attempt at pressurise the air box, but an attempt to get cool air into it. Only ever seen one for sale on ebay.de a few years ago.
The extra cut out in the airbox was a retro fit. Mine got it at its first service 16yrs ago along with the sprocket cover/clutch actuation mod, thought they would have all had them by now. |
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Evilchicken0
Joined: 12 May 2010
Posts: 2996
Location: London
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| Posted: Thu Apr 26, 2012 3:48 pm Post subject: |
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It's not just the air pipe that goes with the mod there's a chromed 90 deg coolant pipe too.
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Vince186
Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)
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| Posted: Fri Apr 27, 2012 7:25 am Post subject: |
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| vort28 wrote: |
with the sprocket cover/clutch actuation mod |
What kind of modification is that, what has changed? |
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Vince186
Joined: 23 Mar 2012
Posts: 636
Location: Nijmegen (Netherlands)
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| Posted: Fri Apr 27, 2012 7:26 am Post subject: |
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| Evilchicken0 wrote: |
| It's not just the air pipe that goes with the mod there's a chromed 90 deg coolant pipe too. |
You mean the one at LH side immediately after the water pump? |
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oily
Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire
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| Posted: Fri Apr 27, 2012 7:42 am Post subject: |
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| vort28 wrote: |
The extra air duct pipe was a factory extra , was not an attempt at pressurise the air box, but an attempt to get cool air into it. Only ever seen one for sale on ebay.de a few years ago.
The extra cut out in the airbox was a retro fit. Mine got it at its first service 16yrs ago along with the sprocket cover/clutch actuation mod, thought they would have all had them by now. |
Less than a few years ago vort......
http://www.bimotaforum.co.uk/viewtopic.php?t=609
Bought by one of our own forum members
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Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
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vort28
Joined: 22 Mar 2010
Posts: 2194
Location: Northwest , UK
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| Posted: Sat Apr 28, 2012 1:21 pm Post subject: |
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| Quote: |
vort28 wrote:
with the sprocket cover/clutch actuation mod
What kind of modification is that, what has changed? |
Cover is seriously cut away to clear the frame around the sprocket/cutch actuation rod. Original was down to 2 bolts I think, they then replaced cover with a less cut away item that had 3 bolts from memory. Think there is a thread on here about it somewhere.
| Quote: |
Less than a few years ago vort......
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Knew I could rely on you Oily, we never did see the pictures of it fitted though. |
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brian
Joined: 22 Aug 2011
Posts: 3769
Location: Australia
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| Posted: Sun Apr 29, 2012 1:43 am Post subject: |
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| Evilchicken0 wrote: |
Cutting the airbox on the shock side is recomended in the dyna jet kit.
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My airbox has the same cutout on both sides but it looks like it came from the factory that way? It doesn't look like it's been cut.
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'99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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oily
Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire
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| Posted: Sun Apr 29, 2012 9:03 am Post subject: |
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| brian wrote: |
| Evilchicken0 wrote: |
Cutting the airbox on the shock side is recomended in the dyna jet kit.
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My airbox has the same cutout on both sides but it looks like it came from the factory that way? It doesn't look like it's been cut. |
I think perhaps the later ones were factory done as the original dynojet mod, back in the day, was to drill something like nine 1/2" holes
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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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brian
Joined: 22 Aug 2011
Posts: 3769
Location: Australia
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| Posted: Sun Apr 29, 2012 9:21 am Post subject: |
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I took lots of closeups of the bikes when i had the fairings off but unfortunately I didn't get a photo of the airbox, but mine has the same large opening on both sides.
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'99 DB4 #104, '96 SB6 #1165, '94 DB2 J #652, '99 DB4 #088, '08 VTX1800, '93 ZXR750R M1, '95 ZXR750, '95 ZXR750 Race Bike, '94 CBR400rr NC29 Race Bike, '94 CB250, '49 BSA C10 250, '61 BSA A10 650, '89 ZXR750, '91 Ducati 851 |
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oily
Joined: 05 Apr 2008
Posts: 4788
Location: worcestershire
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| Posted: Sun Apr 29, 2012 9:26 am Post subject: |
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Two of my three has the same cut out both sides but the other is a home brew cut out done with a rusty chain saw methinks.
These things, as always, get me thinking about things such as a slightly larger, CARBON air box. Mmmmmm
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SB6 mk1 (project mega light, big bore)
Sb6 mk2 ( Big Bore)
Sb6 mk2 ( Restored)
Sb6R fighter
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