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Finnish Francis Barnett: identity issues

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Finnish Francis Barnett: identity issues

Post  stefanholmstrom on Tue Feb 16, 2016 2:54 pm

Thanks for the possibility to join this group,

I am a motorcycle enthusiast in Loviisa, Finland. I have had (and still have) many British bikes, but the newest one is maybe the strangest for me, a Francis Barnett with a Villiers engine.

It is actually a good friend's bike, but I promised to see if can get it running (and maybe buy it, too). I checked the ignition timing and it runs for maybe ten seconds when primed, but not more, so I have to check the carburettor next, I guess.

Anyway, I would be keen to know more about the bike. My friend bought it a long time ago without much information of it, and we are not sure what kind of version/puzzle it is. It is quite nice-looking, but the details (like the exhaust) are propably wrong. Or maybe not?

Here are the details:

Frame: WM 80766
Engine: 070B 72643
Cylinder: FD5 88291 (or B8291?)

You can find pictures on this site: aijaa.com/a/1nC0mS

Thank you for any information regarding this bike!

/stefan holmstrom
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stefanholmstrom

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Join date : 2016-02-14
Location : Loviisa, Finland

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Finnish Francis Barnett

Post  MoscowFlyer on Tue Feb 16, 2016 5:39 pm

Hi Stefan, welcome to this forum, your bike is a Falcon 74 from around 1956, it has a 197cc 8E Villiers engine, it is a nice bike.

I was in Finland on my 1956 Cruiser 75 in 1999, we stopped the night in Kotka and traveled along the E18 to Turku, so we must have passed through Lovisa. Mike

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MoscowFlyer

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Join date : 2008-02-21
Age : 71
Location : Leicestershire

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FINNISH FRANCIS BARNETT

Post  stefanholmstrom on Tue Feb 16, 2016 6:14 pm

Thank you, Mike!

So, the exhaust is original. The way the silencer is slit (is that the right word?) and the end is plugged is quite interesting.

I guess this motocross/dirtbike design would require a upswept exhaust for the right look, though. And different mudguards, as their proportions are not right for such a small bike.

The engine is actually quite beautiful. I also like the overall design and the simplicity. Having driven in many show races for old bikes I like bikes that are equipped with only the parts that are really needed, nothing more Smile

/stefan

PS. Must have been quite a trip back in 1999!
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Finnish Francis Barnett

Post  MoscowFlyer on Tue Feb 16, 2016 6:39 pm

Yes the exhaust, is how it should be, with the slit at the side of the tail pipe. These bikes are quite simple and straight forward and easy to maintain, mind you, you would not think that with all the problems that come up on this forum. Mike

Your starting problem could be the lack of magnetism in your flywheel, you should be able to place the flywheel on a steel surface, and lift up to 30lbs (13.6 kg) before it releases, if not it needs re-magnetizing.


Something like this Stefan.
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Finnish F-B - now it runs!

Post  stefanholmstrom on Wed Feb 17, 2016 3:11 pm

Thanks for the advice about the flywheel, even it seems I maybe don't have to worry about it now. I double-checked the timing and decided to try starting with another carburettor (one I have earlier tested with a two-stroke JAP).

It started immediately, and also runs well. I started it four different times, both cold and warm, and all seems to be ok.

youtube.com/watch?v=TVS5EGIzs2w

Fun to drive, too, in the snow Smile


By the way, is the bike in your message yours? It looks great!

/stefan
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Finnish FB

Post  MoscowFlyer on Wed Feb 17, 2016 3:44 pm

Good to hear it running, it looks and sounds well.

The bike above was build by someone who worked at the Francis Barnett factory, who would have seen these bikes being made.

I am building an off roader at the moment, so watch this space. Mike
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FINNISH FRANCIS BARNETT

Post  forzamacchi on Mon Mar 07, 2016 8:45 pm

Hello Stefan,
Is that a Dell'orto on your Francis Barnett? If it is, I would love to know which model carburetor and the jetting specifications. Thanks, Ben

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Dellorto ?

Post  A7 JWO on Tue Mar 08, 2016 5:03 pm

Hi Ben. In my previous thread I did mention that a Jetex 22 mm Carb from a 200 Lambretta fitted my Falcon 81. They are Dellortos made under licence and will squeeze onto my manifold. The throttle cable fits! Same jetting as well. A remote air filter can also be fitted. I have a spare new one on my work bench.
Surprised

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Re: Finnish Francis Barnett: identity issues

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