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/2 type 120 carb difficulties
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- Posts: 16
- Joined: Sun Jul 16, 2023 2:34 pm
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Re: /2 type 120 carb difficulties
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Re: /2 type 120 carb difficulties
Thanks R68 and schrader7032.... with a little more confidence based on your guidance, I got the cables out
New ones from VintageBeemer parts are on the way!! Love this site and thanks for the help....i'll be back with more dumb questions, Im'm sure
-mark
- Worleybird89
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- Location: College Station, TX
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Re: /2 type 120 carb difficulties
I had a few minutes after work today, so I took a stab at dialing in my R60/2. Near the end of Duane's writeup, there is a section with the heading "Idle air mixture adjustment" that continues as follows:
Don’t be concerned if your carb requires a different setting than some authority dictates. The main thing to know is that you should find 2 things. The idle air adjustment should have a peak rpm setting.
1. If you adjust the screw more, the rpm starts dropping.
2. If you adjust it out more than the max rpm, it should again drop in rpm. If you find that the best rpm is with the screw all the way in, then you have a problem that needs attention.
Well... with my initial attempt at this method, I found #2. So apparently I have a problem that needs attention? What could that be??? Something beyond the carbs and/or fuel supply system? Vacuum leak between the carbs and heads? I will test for that next.
I am going to try again, hopefully this Saturday, when I will have more time. If I can't get past this, I will try removing and cleaning the idle jets again. If that doesn't work, maybe I will just order new idle jets from Bing. I mentioned in my R27 thread that I've done a complete rebuild of that carb, including jets and needles, and it's giving me bigger fits than the R60 carbs.
'62 R27, '67 R60/2 w/Steib S500 Sidecar
College Station, TX
USA
- Worleybird89
- Posts: 40
- Joined: Mon May 29, 2023 11:14 am
- Location: College Station, TX
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Re: /2 type 120 carb difficulties
Currently, she is running okay. I get no hesitation when opening the throttle. She comes back down to idle pretty quick after revving. I am getting some popping in the exhaust (both sides) when coming back to idle after revving, so I know something is still off.
Any suggestions on what to try next?
'62 R27, '67 R60/2 w/Steib S500 Sidecar
College Station, TX
USA