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1974 R90S Dellorto Rebuild

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Allan Osterwise
(@allan-osterwise)
Posts: 2
New Member
Topic starter
 

I have rebuilt one of the two carbs on this bike.  My manual does not include any info as to float level setting for this carb.  This is the first BMW carb that I have worked on. Any information that would help me would be appreciated.  would like to understand more fully before I finish this job.  Thanks in advance…. 

 
Posted : 10/12/2021 14:10
Richard W
(@wobbly)
Posts: 2597
Member
 

- Use the SEARCH routine with the word "dellorto". Rebuilds on those have been discussed here several times.

- Since the Dellorto was only used on the R90S, we don't talk about them in general discussion. And of the thousands of carbs I've rebuilt, none of them was ever a Dellorto. So unfortunately I have to pass. 

- Googling may get you some information in reference to the Ducati and/or Moto Guzzi. They had several models that used them, and the information should be very similar. 

Owning an old Airhead is easy.
Keeping an old Airhead running great is the true test.

 
Posted : 10/12/2021 14:37
Allan Osterwise
(@allan-osterwise)
Posts: 2
New Member
Topic starter
 

@wobbly Thank you.  Found the information on a Ducati website that was very helpful.  

 
Posted : 10/13/2021 11:26
Jim Hussey
(@jchussey)
Posts: 11
Active Member
 

See pg. 8

 
Posted : 12/28/2021 08:49
Richard W
(@wobbly)
Posts: 2597
Member
 

Wow, that's a great find. Thanks for sharing.

If this website used "Stickies" that information would certainly be pasted there. 

Owning an old Airhead is easy.
Keeping an old Airhead running great is the true test.

 
Posted : 12/29/2021 07:42

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