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'mushroom Toobs

Started by dandywarhol , Oct 02 2020 10:24 pm

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#1 dandywarhol

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Posted 02 October 2020 - 10:24 pm

Things may have moved on in 20 years but can you overhaul Mk2A carb emulsion tubes?


1967 Yamaha TD1C 250, 2014 Kawasaki W800, 2011 Aprilia Tuono 1000 V4, 2020 Yamaha XSR900

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#2 harvey krumpet

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Posted 03 October 2020 - 05:19 am

Let me guess, smell of petrol, back firing and enhanced top end?

 

Mine need doing, too.

 

Off to the mechanics for me to have them replaced.


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#3 dapleb

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Posted 03 October 2020 - 06:16 am

I am sure people have claimed to have done it before. Was it saxman in very early days. Never seen much detail on it though.
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#4 Apache

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Posted 03 October 2020 - 09:56 am

I've only ever owned easily fettled mk2's.
I'm puzzled why mk2a carbs are a popular conversion if they make life more difficult ?

#5 dablik

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Posted 03 October 2020 - 11:18 am

A Portuguese mechanic posted up some time ago about this, seem to recall they were pressed out, but replacements seem thin on the ground...

 

Edit... just been having a poke about, Kedo still have them and at NRP after putting in BDSR38 needle jet it brought up these for a 98-01 R1 which i think have the same carbs !!? i know the Thunderace does, these toobs are nickel plated...


Edited by dablik, 03 October 2020 - 01:05 pm.

Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead   Gone to Heaven  :sorry: 

 

1991 MK1 in need of some TLC watch this space   :) Sorted and on the Road Mick  :P  :P it's the bike that Jack built  ;) Gone to Heaven  :wub: 

 

#6 dandywarhol

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Posted 03 October 2020 - 01:21 pm

Thanks for the replies - I know the Mk2 were push to replace, interested to know if the R1 carbs resemble the Mk2 or Mk2A


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#7 dablik

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Posted 03 October 2020 - 01:54 pm

Thanks for the replies - I know the Mk2 were push to replace, interested to know if the R1 carbs resemble the Mk2 or Mk2A

 

Here's a vid of tube replacement on an R1, a bit "heath robinson" but he mentions not finding a method so went with this, cant imagine it's very different from mk2a carbs. Need this info myself for reference down the road having just got a set of mk2a carbs.

 

According to Wiki R1 used Keihin CV carbs, video may still be of help.. but these 98-99 R1 carbs are Mikuni..

 

Mk2a- ------4TX 14900-40

 

R1-98-99---4XV  14900-00 plus 4 further assembly's so i'm assuming BDSR carbs ! 


Edited by dablik, 03 October 2020 - 02:16 pm.

Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead   Gone to Heaven  :sorry: 

 

1991 MK1 in need of some TLC watch this space   :) Sorted and on the Road Mick  :P  :P it's the bike that Jack built  ;) Gone to Heaven  :wub: 

 

#8 dandywarhol

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Posted 03 October 2020 - 04:34 pm

 

Here's a vid of tube replacement on an R1, a bit "heath robinson" but he mentions not finding a method so went with this, cant imagine it's very different from mk2a carbs. Need this info myself for reference down the road having just got a set of mk2a carbs.

 

According to Wiki R1 used Keihin CV carbs, video may still be of help.. but these 98-99 R1 carbs are Mikuni..

 

Mk2a- ------4TX 14900-40

 

R1-98-99---4XV  14900-00 plus 4 further assembly's so i'm assuming BDSR carbs ! 

 

Thanks, much shorter tubes than previous


1967 Yamaha TD1C 250, 2014 Kawasaki W800, 2011 Aprilia Tuono 1000 V4, 2020 Yamaha XSR900

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#9 dablik

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Posted 03 October 2020 - 06:53 pm

Finally managed to download a service manual for 1998 YZFR1, carb specifications state they are BDSR40..


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead   Gone to Heaven  :sorry: 

 

1991 MK1 in need of some TLC watch this space   :) Sorted and on the Road Mick  :P  :P it's the bike that Jack built  ;) Gone to Heaven  :wub: 

 

#10 Studley Ramrod

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Posted 04 October 2020 - 07:25 am

Yeah, strange that only Kedo seem to supply the toobs for the BDSR's. I don't think Fowlers supply 'em either. :unsure2:


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#11 dablik

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Posted 04 October 2020 - 09:21 am

Yeah, strange that only Kedo seem to supply the toobs for the BDSR's. I don't think Fowlers supply 'em either. :unsure2:

 

Yea so can only presume it's on account of non requirement generally.


Bigred mk1 R1 Calipers- Braided lines- Givi wing rack-Crash bungs- Hi vis bullets-PR2's- and a hoot to ride.

Quad 900 Silver Laser duo tech pipes-Scott oiler-Engine crash bars- Radiator mounted see me ring LED's-Datatool system 3 alarm -Centre stand- Extender fender-Renthal bars-Handle bar risers-Mirror extenders-BMW GS Handgaurds-Acumen uprated horn & Nautilus-Stainless steel Radiator guard-Givi wing rack-OEM screen-Yammy touring screen-MRA Vario-MRA Double bubble cut down for fast as fk riding-Tiger screen-Tank protector-Stomp grip panels-Optimate lead   Gone to Heaven  :sorry: 

 

1991 MK1 in need of some TLC watch this space   :) Sorted and on the Road Mick  :P  :P it's the bike that Jack built  ;) Gone to Heaven  :wub: 

 

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