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What old speed was available for a 1951 25hp engine?
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vintage fiberglass
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PostPosted: Thu Mar 15, 2018 12:56 pm    Post subject: Re: What old speed was available for a 1951 25hp engine? Reply with quote

Yes, you are right Amal carbs were used on a lot of English bikes. However the Germans had the rights to make Amal cabs and thus they were called Amal Fischer in Germany. Used on pre war BMW motorcycles and others. Then Bing carbs replaced them.

I have a 1951 ad showing this carb set up in a German magazine as proof they existed.

Your homemade kits looks cool. I would have made single intakes instead of the
long one.
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scottyrocks
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PostPosted: Thu Mar 15, 2018 1:22 pm    Post subject: Re: What old speed was available for a 1951 25hp engine? Reply with quote

Please, no one have a kitten, but it's 'dual.' A 'duel' is a fight.
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56samba
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PostPosted: Fri Mar 16, 2018 12:56 am    Post subject: Re: What old speed was available for a 1951 25hp engine? Reply with quote

Kjell Roar wrote:
Amal is english carbs, might be they have similar type in England.
Here is one tip:

http://amalcarb.co.uk/pre-monobloc.html

Is it like this, 22mm:
https://www.ebay.de/itm/Amal-75-416-75-416-Vergase...Swol5Y2hja

Here is a picture I took of an old homemade set, it has 2 x Solex 26VFIS. Sorry I didnt find it earlier. Forgot about it.

Image may have been reduced in size. Click image to view fullscreen.



Thanks for sharing this kit with us! It's not like all the others but I love it!!!
It truely shows, that it was made in the early 50's and for 25hp engines.
Cutting a genuine K manifold today to make a dual carb kit needs a lot of braveness Laughing Laughing
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56samba
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PostPosted: Fri Mar 16, 2018 1:02 am    Post subject: Re: What old speed was available for a 1951 25hp engine? Reply with quote

vintage fiberglass wrote:
Yes, you are right Amal carbs were used on a lot of English bikes. However the Germans had the rights to make Amal cabs and thus they were called Amal Fischer in Germany. Used on pre war BMW motorcycles and others. Then Bing carbs replaced them.

I have a 1951 ad showing this carb set up in a German magazine as proof they existed.

Your homemade kits looks cool. I would have made single intakes instead of the
long one.


Tim, it's not 100% correct. Amal was the biggest carb company in Europe and it's right that they gave licenses in other countries.
But I don't think that Bing replaced them. As Amal carbs were developed for English four stroke bikes that often had +600ccm, Bing used the gap in the market and produced carbs for the huge number of small mopeds and scooters after the war.At least that's what I'm assuming.

Well, tomorrow I'm going to visit another big swap meet and will ask ALL the motorcycle guys if they can help us out with more information for the Amal 22 carbs on your kit.
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Kjell Roar
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PostPosted: Fri Mar 16, 2018 1:36 pm    Post subject: Re: What old speed was available for a 1951 25hp engine? Reply with quote

Equalent to 22mm is 7/8", if you find english Amals Smile
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vintage fiberglass
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PostPosted: Tue Mar 20, 2018 9:19 am    Post subject: Re: What old speed was available for a 1951 25hp engine? Reply with quote

I just meant that some Amal carbs say "made in England" on them and some say Amal Fischer "Germany" on them. My kit should have the German made amal carbs? Not arguing that Amal was a huge carb dealer / manufacture in England.

I still have not found the correct fuel float bowls?? anyone have leads? I contacted a few people and they either didn't know or said I can buy repro "England" float bowls that should fit. I will keep looking.

I also would like to see a set of these 25hp Okrasa heads if anyone out there has any?? I didn't know Okrasa went back that far to 1952?? Tim
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stefi.g
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PostPosted: Fri May 25, 2018 12:07 pm    Post subject: Re: What old speed was available for a 1951 25hp engine? Reply with quote

https://www.youtube.com/watch?v=jTihKt16LB0&feature=youtu.be
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vintage fiberglass
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PostPosted: Tue Oct 10, 2023 9:54 am    Post subject: Re: What old speed was available for a 1951 25hp engine? Reply with quote

Well I sold my 25hp Amal duel carb kit a while back and now I wish I would have kept it. I have parts to one and was wondering if anyone has any parts or has an original set that I can duplicate a few parts? Please let me know. Tim
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