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Author Topic: Starting an early bike with slider carbs  (Read 3239 times)

leswaller

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Re: Starting an early bike with slider carbs
« Reply #15 on: March 09, 2012, 12:06:53 PM »
Wirespokes
 I think you are mistaken, there are no accelerator pumps on the slider carbs, they are just like the old Amals in operation
Les
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Offline Bengt_Phorqs

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Re: Starting an early bike with slider carbs
« Reply #16 on: March 09, 2012, 12:24:15 PM »
My '74 R60/6 had the CV Bings w/ the enrichener.  Never had a cold starting issue.
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Bengt Phorqs, Jake R90/6, R80/7, R1200RTw, Moto Guzzi California EV , Triumph TR250W, Yamaha TY250A Trials, Suzuki DR650

Offline MrRiden

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Re: Starting an early bike with slider carbs
« Reply #17 on: March 10, 2012, 12:40:33 PM »
Just to add a some humor on something well covered by others here
http://www.stylekat.com/apparel/tshirts/detail/tshirt_amal.html
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"We can't stop here. This is bat country".

leswaller

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Re: Starting an early bike with slider carbs
« Reply #18 on: March 10, 2012, 03:47:04 PM »
"My '74 R60/6 had the CV Bings w/ the enrichener"
but regretfully the /5s dont  :( :(
« Last Edit: March 11, 2012, 10:23:17 AM by leswaller »
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Offline Rob Valdez 79 R65

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Re: Starting an early bike with slider carbs
« Reply #19 on: March 12, 2012, 07:25:58 PM »
Quote
My '74 R60/6 had the CV Bings w/ the enrichener.
Yep - I was wrong earlier when I said /5 & /6 R60's had slide carbs.  I was relying on memory.  Old memory...
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tvrla

  • Guest
Re: Starting an early bike with slider carbs
« Reply #20 on: March 12, 2012, 11:47:43 PM »
Quote
Quote
My '74 R60/6 had the CV Bings w/ the enrichener.
Yep - I was wrong earlier when I said /5 & /6 R60's had slide carbs.  I was relying on memory.  Old memory...
The 500s and 600s came with 26mm slide carbs. Any other carbs mounted to an R60 didn't come that way from the factory.

And Les, those slide carbs DO have accelerator pumps! They're located in the main jet and operated when the needle exits the jet. They're spring operated and when pressure is released, they spring out, sending a sqirt of fuel into the carb. Really simple!
« Last Edit: March 12, 2012, 11:51:51 PM by tvrla »
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Offline Rob Valdez 79 R65

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Re: Starting an early bike with slider carbs
« Reply #21 on: March 13, 2012, 12:37:55 AM »
Quote
The 500s and 600s came with  
Wow...and I forgot all about the R50/5
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leswaller

  • Guest
Re: Starting an early bike with slider carbs
« Reply #22 on: March 13, 2012, 06:21:22 AM »
Wirespokes
I owe you an apology, grovel, grovel, :-[  :-[ after replying to your previous post I have indeed discovered the accelerator pumps when I stripped one of the carbs in curiosity and amazement that maybe BMW hadnt thought of cold starts (which of course they had).
My only excuse is that this is my first BMW and I am used to British carbs with chokes.
Mia Culpa and my thanks for enlightening me
Les
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tvrla

  • Guest
Re: Starting an early bike with slider carbs
« Reply #23 on: March 13, 2012, 08:59:04 AM »
I was shocked and amazed the first time I discovered those accelerator pumps as well! I looked at those things and wondered what the hell they were??? The diagram said they were accelerator pumps - huh? How could that be???

They weren't working and it took a little while to figure out how they were supposed to work and get them operating again. Cool little items - clever guys, those Germans! But I think any grunge in the bowls or water can mess them up. When they're working, they're great!
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