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Author Topic: 1979 R65 gasping in high revs  (Read 3924 times)

CAMPOA

  • Guest
Re: 1979 R65 gasping in high revs
« Reply #15 on: November 02, 2015, 01:39:21 AM »
From bike to women stockings! eheh!!

Like this forum!!

:)
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Offline montmil

  • Mt. Olympus Resident
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  • Posts: 8371
Re: 1979 R65 gasping in high revs
« Reply #16 on: November 02, 2015, 06:59:38 AM »
Quote
?..might have to get hitched up just to solve that problem.. :D

Sounds like a guy that might enjoy a root canal procedure!   [smiley=chairshot.gif]
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Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet

Offline Bill Conquest

  • Lives in Foothills of Mt. Olympus
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  • Posts: 229
  • I Love YaBB 2!
Re: 1979 R65 gasping in high revs
« Reply #17 on: November 03, 2015, 11:29:08 PM »
yah Monte, probably less painful ;D
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79 r65/75 r60/76r75/76r100

CAMPOA

  • Guest
Re: 1979 R65 gasping in high revs
« Reply #18 on: November 11, 2015, 01:44:10 AM »
Hi Guys,

relatively good news.

A friend of mine brought me 4 new filters from Nelspruit, South Africa and i've changed them.

The gasping... changed! eheh.

well, i improoved about 95% but it still gasps a liiiiitle but.

And 1 of the bing carburateaur now is dripping...

So, i think that it is a win situation as the filters were definitely cluttered and the bike now is running much better. But now... i have to fin what is wrong with the carburetor.



 



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Warbucks

  • Guest
Re: 1979 R65 gasping in high revs
« Reply #19 on: November 11, 2015, 04:47:07 AM »
One of the carbs is dripping fuel? Could be the float bowl gasket is leaking. It may be much deeper than that. It's quite possible that it's time to rebuild those Bings. If she's still gasping a bit, the jets may be worn. Given the age of your bike I'm thinking that it's due for a carb rebuild. Could also be that the diaphragms are torn, or possibly stretched out to the thickness of a condom. In that state they'll still work, but not very efficiently.

It's not difficult to do. There are a few tutorials on YouTube that cover the procedure. Once the carbs are dismantled and cleaned it takes about 20 minutes to rebuild one carburettor. If you decide to do this, rebuild only one carb at a time. You don't want to mix the parts up from one carb to the other.
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CAMPOA

  • Guest
Re: 1979 R65 gasping in high revs
« Reply #20 on: November 11, 2015, 06:22:48 AM »
nice!

i want to do it. To learn.

Do you recommend any particular youtube link?

thanks!
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Warbucks

  • Guest
Re: 1979 R65 gasping in high revs
« Reply #21 on: November 11, 2015, 06:31:23 AM »
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CAMPOA

  • Guest
Re: 1979 R65 gasping in high revs
« Reply #22 on: November 11, 2015, 06:52:17 AM »
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Offline montmil

  • Mt. Olympus Resident
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Re: 1979 R65 gasping in high revs
« Reply #23 on: November 11, 2015, 07:40:12 AM »
Simple things first. Check for debris holding the float needle open. Confirm condition of the bowl gasket. Also look for junk in the bottom of the bowl. Floats could be sinking due to age and/or fuel soaked. Your gas dribbles are likely solved within the float bowl area. Checking both carb bowls would also be a good idea.
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Monte Miller
Denton, TEXAS
1978 BMW R100S
1981 BMW R65
1983 BMW R65
1995 Triumph Trophy
1986 VW Cabriolet

CAMPOA

  • Guest
Re: 1979 R65 gasping in high revs
« Reply #24 on: November 11, 2015, 07:43:18 AM »
Thanks Montmil,

will start by doing that. yes.

will post developments.

Quote
Simple things first. Check for debris holding the float needle open. Confirm condition of the bowl gasket. Also look for junk in the bottom of the bowl. Floats could be sinking due to age and/or fuel soaked. Your gas dribbles are likely solved within the float bowl area. Checking both carb bowls would also be a good idea.
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