Author Topic: Carb float levels  (Read 4145 times)

Offline Sesman

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Re: Carb float levels
« Reply #30 on: March 21, 2023, 10:42:38 AM »
Correct that man👍

Offline Oddjob

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Re: Carb float levels
« Reply #31 on: March 21, 2023, 03:17:21 PM »
DR, please read what I said, I said it could vibrate round NOT out, so if the pin is bent it can jam the float from moving, it then vibrates loose and the float can either stick in place or start to work as it should.
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Accidents in the back seat cause kids.

Offline Neill C

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Re: Carb float levels
« Reply #32 on: March 21, 2023, 06:55:15 PM »
I've ordered a new float and pin as I'm taking all the advice I can get. Thanks

Offline Neill C

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Re: Air mixture screws
« Reply #33 on: July 09, 2023, 08:36:37 PM »
Are there only 2 air mixture screws on a cb550 carb. One on the left and one on the right or am I not looking hard enough for the other two,

Offline Nurse Julie

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Re: Carb float levels
« Reply #34 on: July 09, 2023, 08:49:44 PM »
There is one on each carb body, so you will have 4 in total. Just checking your carbs are Keihin 069a's and not Keihin PD's?
« Last Edit: July 09, 2023, 08:51:22 PM by Nurse Julie »
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Offline Neill C

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Re: Carb float levels
« Reply #35 on: July 09, 2023, 09:01:51 PM »
069a.

I've looked for the other two but can't find them!

Offline Nurse Julie

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Re: Carb float levels
« Reply #36 on: July 09, 2023, 09:12:59 PM »
069a.

I've looked for the other two but can't find them!
Have you put the carb bodies on in the correct order? I'm not sure if you can't but if you can find the screw on 2 of the carbs, the other 2 are in the same place on the other 2.
« Last Edit: July 09, 2023, 09:16:24 PM by Nurse Julie »
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Offline Neill C

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Re: Carb float levels
« Reply #37 on: July 09, 2023, 09:19:40 PM »
I haven't taken them apart but when I had the carb off I looker for them but couldn't see them. I'll have to try again!

Offline Nurse Julie

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Re: Carb float levels
« Reply #38 on: July 09, 2023, 09:21:23 PM »
I haven't taken them apart but when I had the carb off I looker for them but couldn't see them. I'll have to try again!
Ill take a photo in the morning if you still haven't found them.
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Offline Neill C

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Re: Carb float levels
« Reply #39 on: July 09, 2023, 09:29:37 PM »
Thanks

Offline Nurse Julie

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Re: Carb float levels
« Reply #40 on: July 10, 2023, 09:28:23 AM »
Thanks

The air / fuel mix screws are these brass ones.

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LINK TO MY EBAY PAGE. As many of you know already, I give discount and do post at cost to forum members if you PM me direct.
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Offline Matt_Harrington

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Re: Carb float levels
« Reply #41 on: July 10, 2023, 10:07:49 AM »
Neil, did you sort your overflow issue?
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Offline Neill C

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Re: Carb float levels
« Reply #42 on: July 10, 2023, 12:05:37 PM »
Excellent. I found them hiding behind the fuel hose. Thanks for your hepl

Offline Neill C

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Re: Carb float levels
« Reply #43 on: July 10, 2023, 12:10:14 PM »
Yes. The float bowl overflow went away after a couple of hours riding. It was intermittent at first then went away completely. I'm hoping that the pin on the float sorted itself out and somehow has straightened itself out.

Offline davidcumbria

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Re: Carb float levels
« Reply #44 on: July 11, 2023, 08:42:49 AM »
Glad it sorted itself out but I have to wonder if the problem was some debris between needle and seat clearing through eventually. Saw earlier in the thread that in line filters in the feed from tank are problematic. To avoid this very problem I was thinking of using them in my rebuild. Is it the consensus view that they cause too much difficulty with flow rate?
500/4 in 79. No bikes for 30 years. 750/4 in 2013, 550/4 in 2023. Also own  R1100GS, RD350LC YPVS , Yamaha fazer 600, Yamaha XT250, BmwR80 , HondaVT1300, Royal Alloy GT125.

 

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