Carburettors

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chriswilliams
Posts: 86
Joined: Wed Jun 28, 2017 10:35 am

Carburettors

Post by chriswilliams »

My 1500 twin carb has 36 webers suffix 44a and 45a.

I have replaced one of them with a spare which is suffix 52 or 53. I made sure they have the same jets.

Does the suffix difference cause any problem?

Any ideas welcomed.

Regards, Chris.

SudS2ti
Posts: 25
Joined: Tue Sep 30, 2025 11:58 am

Re: Carburettors

Post by SudS2ti »

Hi Chris, I have had a look at Technical Service Data book that I have and I have included an image of the relevant page.

If you take a look at the carb data it shows the different jetting between the two. I would think that if you are running a 105bhp engine then you should jet it as per the 36IDF52/53 and if not, then jet it as per 36IDF44/45.

I can only assume it is the jets that are different but not 100% sure, hopefully someone else will be able to clarify.
IMG_2004.jpeg

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