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Author Topic: Carb tune up!!  (Read 4116 times)

jterra

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Re: Carb tune up!!
« Reply #15 on: August 14, 2009, 02:24:30 PM »
Phorqs,

Interesting diagnostic for carb diaphragm issues.  I just performed the procedure and both sides rev'ed and stayed, but one side was definitely "smoother" running than the other.  Note I just completed a minor tune up and sync'ed the carbs with a TwinMax.  She runs great, but I've been suspicious of the carbs since they are all orig on my '79.http://www.bmwr65.org/htdocs/yabbfiles/Templates/Forum/default/undecided.gif

Offline montmil

  • Mt. Olympus Resident
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  • Posts: 8371
Re: Carb tune up!!
« Reply #16 on: August 14, 2009, 03:39:50 PM »
Here on R65.org, it's been the Summer of Love Not Lost On Carbs problems and concerns. I imagine you've been lurking about before you actually enlisted but the Tech section threads have been full of Bing overhauling, tweaking, tuning and bashing.

If not for the mutual support and advice, we'd probably all be riding Hondas by now.  ;D

PS: Jack, think your smiley emoticon got jacked.
« Last Edit: August 14, 2009, 03:42:03 PM by montmil »
Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet

Offline Ed Miller

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  • Posts: 2425
Re: Carb tune up!!
« Reply #17 on: August 15, 2009, 01:36:35 PM »
Jack reminded me of a procedure I learned for checking carb diaphrams:  temporarily remove the tubes between the air box and the carbs (yeah, they're just held on by the other tube), start the  bike, and have somebody blip the throttle up whilst you stand behind the bike where you can see both slides move up in unison.  Or not.

Ed Miller
'81 r65
Falls City, OR