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Hi Scott, When you say that you made a “minor rebuild”, what did that involve? Did you remove or replace the jets for instance. Please elaborate a little. I take it that the slides were removed,

Hi Kirk Won’t idle with throttle off. Still no clues Thanks Scott Scott Beware of the man who works hard to learn something, learns it, and finds himself no wiser than before. -Kurt Vonnegut

Hi Scott, I’m not sure what a minor rebuild of a Dell’Orto might consist of, but perhaps it falls short of what is actually needed. Following Kirk’s line of questions, did your R90S idle before

Hi Scott, Still looking for clues? By no idle do you mean: a) running too fast, or b) won’t run with throttle off ? Kirk Sent: Sunday, 2 January 2022 22:11 To: [email protected] Subject:

After a minor rebuild of my Dellortos, I am unable to get any kind of idle. I’ve removed the carbs and using a thin wire ensured the idle circuit was clean and open. I’ve also used carb spray to

This is the one I use on most Airheads and the one I installed on my 74 R90S - Euro Motoelectrics - EDL-BOIGNS ( https://www.euromotoelectrics.com/product-p/edl-boigns.htm ). Scott.

Where did you buy it from?

I think the EME optical ignition is the best upgrade I've done to my '75 SS R90S. No problems whatsoever. 5 stars. I used my stock coils and the EME-recommended plug wires and caps.

There was no interference problem when Guenther installed the EME ignition on my bike.

Hi Mac, Is this the right one? https://www.euromotoelectrics.com/product-p/chokenipple368.htm

I used my old carb tops, you can't tell the difference?Sent from my Galaxy

I believe the threaded hole is smaller than original, I ordered new elbows from Motorworks and they were smaller diameter than originals, ended up using original elbows with original tops to add to my

There are 2 metal types: https://www.dellorto.co.uk/shop/dellorto-motorcycle-carburettors-parts/carburettor-parts/phm-parts/12536-dellorto-phm-carburetor-top-metal-large-spring/ Best regards, Kirk

https://www.dellorto.co.uk/shop/dellorto-motorcycle-carburettors-parts/carburettor-parts/phm-parts/cable-choke-kit-3/ Best regards, Kirk Ratzel

Here in Europe, Stark sells thes nipples. Please take a look, and tell me if they are the correct ones...

I’m often able to get older BMW motorcycle parts through ecstuning.com out of Wadsworth, OH. They list the threaded nipple part number 13 23 1 260 368 as available with a ship date of Oct. 20.

Thanks Denny. But again, I am being told the ones for the R90S model are unique, unlike the source you sent me as well as Max BMW parts. I am being told these will not fit the R90S model. Thus my

Mac, If you cannot find them in the U.S. they are available in Germany. https://www.meyer-bikes.de/index.php?page=details&art=13231260368

Ok guys, a conundrum: A friend is telling me the nipples that the choke cable go into at the choke lever for our R90Ss are unique to the R90S and are threaded whereas nipples for other applications

Last week I discovered a 1974 R90/S will be coming up for auction/sale at Kaplan Cycles at The New England Motorcycle Museum in Rockville CT. This bike isn't completely original but looks like a