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Author Topic: What a difference!  (Read 1671 times)

balibeemer

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What a difference!
« on: September 28, 2008, 08:34:17 AM »
I just did a rebuild on both of my carbs. The kit s came all the way from Motobins. After using a can and a half of carb cleaner, I set to work and an hour later re installed them on the boxer - It was like driving a different bike - Smoooooth - and my fuel consumption has dropped from 18 km per litre to 22 km per litre.
 :D

Offline montmil

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Re: What a difference!
« Reply #1 on: September 28, 2008, 12:51:59 PM »
Let me ship you my Bings since you're current!

I need to do this, too. Have the overhaul pieces parts but the nice riding weather keeps me on the road rather than in the shop. It may get cool here around November...

Monte
Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet

Offline MrRiden

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Re: What a difference!
« Reply #2 on: September 28, 2008, 01:47:42 PM »
Did you replace the slide needles and their jets? I've been meaning to do that, just wondering how fiddly they are.
rich
"We can't stop here. This is bat country".

Offline Semper Gumby

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Re: What a difference!
« Reply #3 on: September 29, 2008, 05:21:29 PM »
Its past time for me to do this again...   :-/
Bill Gould ?1980/03 R65 When at first you don't succeed....Moo!

Offline suecanada

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Re: What a difference!
« Reply #4 on: September 30, 2008, 09:45:07 AM »
I will follow this up too! I have the new parts already. Even had a video I bought at the Rally in Gillette on "How to Service the Bing carbs"   Notice the word "Had".

Anyway, the bike did run well and the gas mileage was good but need to check on all this to make sure. Haven't been riding. I figured i'd work on the carbs when things seemed to not be working so well?!
1983 R65LS - LRB still my favourite!? 1988 Honda NX250, "Toodles Too" and a Suzuki DR650, "Calypso." All stored in the "Brrrmmm Closet".

bjamesw

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Re: What a difference!
« Reply #5 on: September 30, 2008, 06:43:50 PM »
Does the kit include the rubber vacuum bellows?  I've always worried about what might happen if these ever deteriorate.   It looks like it might be a gobstopping expensive part that can't be 'fashioned' on my own like so many of the parts I replace.

If it's too dear, I might consider replacing them with some new Mikunis.   Anyone else ever considered or done this?  

Offline Rob Valdez 79 R65

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Re: What a difference!
« Reply #6 on: September 30, 2008, 06:50:41 PM »
Quote
Does the kit include the rubber vacuum bellows?  I've always worried about what might happen if these ever deteriorate.   It looks like it might be a gobstopping expensive part that can't be 'fashioned' on my own like so many of the parts I replace.

If it's too dear, I might consider replacing them with some new Mikunis.   Anyone else ever considered or done this?  

edit: I have "flat top" Bings.  They are different from the "dome top" Bings in the way the diaphragm is held in place.
What style are yours?


The rubber diaphragms are usually not included on the R65 kit.  But they are replaceable, and are not that expensive.  You would do well to replace the white ring that holds them in place, as well, though.


klik for more


I personally don't recommend the Mikunis, unless you are going racing.
« Last Edit: September 30, 2008, 07:18:33 PM by Rob_Valdez_79_R65 »

balibeemer

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Re: What a difference!
« Reply #7 on: October 01, 2008, 06:06:27 AM »
I did not replace jets , or needles. Just all the rubber bits  - and 1 cork gasket that Motobins sent me. I have a spare kit and can photograph it if anyone wants to have a look,

Offline montmil

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Re: What a difference!
« Reply #8 on: October 01, 2008, 05:54:21 PM »
Quote
Does the kit include the rubber vacuum bellows?  I've always worried about what might happen if these ever deteriorate.   It looks like it might be a gobstopping expensive part that can't be 'fashioned' on my own like so many of the parts I replace.

If it's too dear, I might consider replacing them with some new Mikunis.   Anyone else ever considered or done this?  

My Bing overhauls kits from Chicago BMW included the vacuum diaphragms, gaskets and O-rings. About $52.00 as I recall. Chicago had 'em in stock and I received them in less than a week.

Monte
Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet