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 PB Float Level fork		  Forum Locked  Topic Locked
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dade

United Kingdom
513 Posts
Posted - 03/04/2023 :  09:30:23  Show Profile
I have discovered that the float level fork on one of my PB carbs is a "Stranger" ie no matter what I do to it I cannot make it shut off the fuel correctly.

I have numerous SU spares but needless to say not what I need

If someone has a correct "Fork" for a T1 Float bowl in their spares box I would appreciate it if they would contact me.

Regards
PB0333

Michael Lees

United Kingdom
162 Posts
Posted - 03/04/2023 :  10:54:57  Show Profile
This ?





Mike Lees
1935 NB (NA0897)
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coracle

United Kingdom
1935 Posts
Posted - 03/04/2023 :  12:49:44  Show Profile
Are you sure it is the fork and not the needle valve that is the problem?
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dade

United Kingdom
513 Posts
Posted - 04/04/2023 :  09:38:05  Show Profile
Hi Mike

Have sent you an email off Forum.

Regards

Russ
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dade

United Kingdom
513 Posts
Posted - 04/04/2023 :  09:44:18  Show Profile
Hi Nigel

I understand your comment and have checked the valves, the problem is definatly the Fork.

When comparing the fork with the other carb fork the shape is subtley different althouh at first glance it looks the same, hence my mystery.

I have contacted Michael and hopefully I will sort it out soon.

Thanks for your interest

Regards

Russ
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Michael Lees

United Kingdom
162 Posts
Posted - 05/04/2023 :  09:57:15  Show Profile
Russell - just need your address to send it to you....

Mike Lees
1935 NB (NA0897)
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dade

United Kingdom
513 Posts
Posted - 05/04/2023 :  12:27:41  Show Profile
Hi Mike

I have contacted you off Forum with my address, here are a few photos that show the subtle difference that is causing my query.









You can see the difference between the 2 forks and the height of the spindle pins.

Thanks again for your help I really appreciate it

Regards

Russ
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Michael Lees

United Kingdom
162 Posts
Posted - 05/04/2023 :  12:35:14  Show Profile
But which is correct for you?

Mike Lees
1935 NB (NA0897)
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coracle

United Kingdom
1935 Posts
Posted - 05/04/2023 :  13:32:32  Show Profile
If all else fails and the lower picture shows the problem one, a dob of solder (and a shard of brass shim) on the working surface of the fork could be a short term fix?
Edited by - coracle on 05/04/2023 13:34:05
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dade

United Kingdom
513 Posts
Posted - 09/04/2023 :  09:41:09  Show Profile
Thanks to Michael for supplying the correct Fork for my carb and also thanks to Nigel for his suggestion however getting another fork was a reasonable task.

The fork that I replaced was subtly different in many ways however at first glance it looked the same.

I can now set the fuel height in both Float chambers correctly

Russ
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Michael Lees

United Kingdom
162 Posts
Posted - 09/04/2023 :  10:44:54  Show Profile
Great to hear a success

Mike Lees
1935 NB (NA0897)
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