Search found 173 matches

by FGF
Mon Jul 26, 2021 5:41 pm
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

First gear , a little downhill , a good friend for pushing and it starts !
the Mikuni has to be tuned ...
spark.jpg
spark.jpg (18.92 KiB) Viewed 39 times
the running-in can begin <069
Francois
by FGF
Sat Jul 24, 2021 2:00 pm
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

Hello , Great thanks to eebtr7 too , i can push a sight of relief : '' Yes, for all your rebuilt with new parts and fresh friction,you will need to de-evolve back to your Neanderthal past with the size 17 feet and another 100lbs of weight. This will enable youto come down on the kick starter like an...
by FGF
Fri Jul 23, 2021 1:58 pm
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

starter jet is almost responsible for mixture, and pilot air screw as well. beat <201 Thanks Beat , a '' MX friend of mine '' who rides with a VM 34 told me to start with this way: -throttle open : 2 or 4 kicks ( instead of tickling ) -start with throttle closed , kick just after the TDC... if the ...
by FGF
Thu Jul 22, 2021 10:47 am
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

Hello ,

With the Mikuni VM 34, is the cutaway very important to start the bike ?

Motocarb sent me a 2.0 cutaway.
Many MX users have chosen a 2.5 cutaway , even 3.0

Francois
by FGF
Wed Jul 21, 2021 4:48 pm
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

Hello , the B50SS is nearly finished for a week , after many many troubles ... 2021_07_01.jpg And it doesn't want to fire with me , of course ! it says : '' too doo , too doo douf '' several times but that 's all... i try to find the better position of the kick just after the TDC but it 's not very ...
by FGF
Tue Jul 06, 2021 2:11 pm
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

beat wrote: Mon Jul 05, 2021 9:13 pm
It looks for me like a swing arm for a carrying wheel......
Hello Beat ,
Is your son ready to ride the side ?
In French the passenger is called '' singe '' ( monkey ), in English i don't know ...
Nice team
Francois
by FGF
Sun Jul 04, 2021 9:39 am
Forum: Tech
Topic: Carburettor choice for b50
Replies: 40
Views: 1511

Re: Carburettor choice for b50

Hello Trevor ,

I 've some right leg problems now , i 'd be interested too .
I do use often my left arm to tighten bolts but , the left leg ...

Could you show us a video with your left foot start way ? it would be amazing ! cheers

Francois
by FGF
Tue Jun 15, 2021 6:11 pm
Forum: News
Topic: Our friend Francois Baluteau has passed away.
Replies: 9
Views: 1001

Re: Our friend Francois Baluteau has passed away.

Nice pictures
Friendly thought about you , Francois .
Keep on riding
by FGF
Thu Jun 10, 2021 1:33 pm
Forum: Tech
Topic: B25 mikuni
Replies: 13
Views: 1286

Re: B25 mikuni

Hello sprint955 ,

I 've choosen a mikuni VM 34 for my B50SS because the Amal 34 is bigger and they are very close in the B50 frame.
It 's a shame , sorry...

Motocarb in Uk sells mikuni for british bikes and could advise you.
Francois
by FGF
Wed Jun 09, 2021 10:37 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

Hoping your injury is not too serious ?
See you soon healthy.
Francois
by FGF
Wed Jun 09, 2021 10:13 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

Hello Beat ,
Take care , but quickly !
We are very impatient to see your work progression again ...
Francois
by FGF
Fri Jun 04, 2021 9:10 am
Forum: Tech
Topic: clutch springs '' Ends ''
Replies: 5
Views: 789

Re: clutch springs '' Ends ''

Hello , thanks for your advises , The SteveS photos show a really great difference between these parts and my owns. My new parts are PES parts , I 'm waiting for the PES answer ... I could change the clutch for a new one and throw my BSA clutch away .. I try to keep some original parts even they are...
by FGF
Thu Jun 03, 2021 9:35 am
Forum: Tech
Topic: clutch springs '' Ends ''
Replies: 5
Views: 789

clutch springs '' Ends ''

Hello , Checking the clutch springs pressure with New Parts , the springs try to turn around themselves : spring_clutch2.jpg they screw themselves in the cup and go through like on the first picture ... no checking possible . i 've put my old springs which are a little larger and that fix nearly the...
by FGF
Tue May 11, 2021 9:37 am
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

Thanks for these advices , I put the ball with grease at the back of the worm gear . I hope it not to have fall down the case ... And i indexed the worm gear bottomed out with the lever at one O ' clock like ''Rupert '' says , about 30 ° with old gears ... The previous owner had fitted the clutch li...
by FGF
Mon May 10, 2021 6:39 pm
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

Hello , Near the end of the reassembly , some troubles again : First , i know now that i ask me a stupid question : why couldn't i fit my wassel vape correctly with the full advance ? lucas_calage.jpg i 've changed the wassel for a new one because i thought it was worn out. Some said to me that the ...
by FGF
Mon Apr 19, 2021 10:13 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

Hello Beat ,
Ready for the first sidecar cross in Gutenswil 1 of May with the Goldie ?

About '' gravel and pebbles '' in the Switzerland mountain motocross tracks ,
you could prefer to race in Holland in the sand tracks, more confortable and funny !
Francois
by FGF
Fri Apr 16, 2021 5:44 pm
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

Hello , On my old Ducati twins , the horizontal cylinder barrel had a leaning carburetor ... 750_sport.jpg I 'd like to twist the VM 34 around it 's rubber flange to let the throttle cable be free and not too bended against the Frame main beam . VM_2.jpg Did someone use such a fitting with the B50 c...
by FGF
Sat Apr 10, 2021 11:05 am
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

Hello , work on progress slowly ... the timing side inner.jpg Gearbox and ratchet tightening ... ratchet.jpg Back in the frame : carb.jpg I choose the VM34 , Sorry a thousand times : i liked to tickle the Amal float , it remerbered me my old 250 cross Bultaco but it 's thinnner than the Amal 34 to f...
by FGF
Tue Mar 30, 2021 5:54 pm
Forum: Tech
Topic: close valve lifter
Replies: 2
Views: 1878

close valve lifter

Hello , My valve lifter splines were worn out and it 's bracket bended ... dec_2.jpg I fit a '' new-old one '' with splines in almost good condition but reading '' Rupert Ratio '' advises , i think it's very close with the stud nut : lifter.jpg '' lever vertical when it touches the rocker '' , he sa...
by FGF
Thu Mar 25, 2021 10:49 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

Hello Beat , What an innovative design with no axle but a little dangerous ? what do you think ? If there is no axle through the swing arm ,the frame bushes welds will sustain torsion in addition with compression - shear . I don't remember if you tried this way on the Goldie . You have a long weldin...
by FGF
Wed Mar 24, 2021 2:29 pm
Forum: Tech
Topic: O Ring inner cover
Replies: 5
Views: 2722

Re: O Ring inner cover

Thanks for all , i 'm going to do this way .
Francois
by FGF
Tue Mar 23, 2021 5:39 pm
Forum: Tech
Topic: O Ring inner cover
Replies: 5
Views: 2722

O Ring inner cover

Hello , Just ready to fit the inner cover after many troubles with the camshaft bushes : Near the O Ring area do you use gasket goo ? or where to stop it to have a good sealing for the crankshaft ? My engine '' clean '' pinion_distrib.jpg Engine dirty with no gasket goo near the O Ring , i guess ......
by FGF
Sun Mar 21, 2021 11:29 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

Hello Beat ,
Same design than with the Goldie but longer and stronger ?
Francois
by FGF
Tue Mar 16, 2021 11:47 am
Forum: Project bikes
Topic: Little BSS cafe racer
Replies: 84
Views: 23107

Re: Little BSS cafe racer

Hello ,

I fit a new B50 MX camshaft on my B50SS.
Do you use a lube additive or a little coat of graphite grease like '' Graphogen '' before the running-in ?

Francois
by FGF
Fri Mar 12, 2021 7:40 pm
Forum: Parts & Bikes wanted
Topic: B50 / B25 Side panels - Fibreglass?
Replies: 8
Views: 2461

Re: B50 / B25 Side panels - Fibreglass?

Hello , here is a copy of my old B50SS side cover . i 've simplified some '' details '' : the curve is continuous and i didn't put any draft. the draft was necessary for pressing but not for printing. cover.zip cover.jpg the ZIP file contain the right and left side cover with a Step and Iges files. ...
by FGF
Tue Mar 09, 2021 5:33 pm
Forum: Parts & Bikes wanted
Topic: B50 / B25 Side panels - Fibreglass?
Replies: 8
Views: 2461

Re: B50 / B25 Side panels - Fibreglass?

Hello , Sure , the best way is making one 's mould with resin : Many tutorials are easy to find : a thin coat of wood wax , the same of Gelcoat , the same with epoxy , a few glassfiber mat and that 's all ! but wear a mask !!!it 's dangerous. If you want to try '' 3D printing , it 's easy but expens...
by FGF
Thu Mar 04, 2021 11:15 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

Hello Beat , I see a long long ...swinging arm for power transmission and efficient road handling , a frame which stiffness won't be too high to leave it bend with elasticity as they say : https://motodna.net/motogp-tech-talk-swingarms/ Your frame grow up continuously, like in a movie : it could see...
by FGF
Thu Feb 25, 2021 10:10 am
Forum: Information and other
Topic: Get Your B50.org / 40 years of CCM Polo Shirts Here
Replies: 17
Views: 26963

Re: Get Your B50.org / 40 years of CCM Polo Shirts Here

Hello Ian ,
Would you print the '' fiftieth years of CCM '' or publish again the fortieth in 2021 ?
There 'll be too many requests maybe ...
Francois
by FGF
Tue Feb 23, 2021 11:42 am
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

Hello Beat ,
Nice home made ...
For what classic race do you hope to be ready in 2021 ?
( if the Covid is OK )
Francois
by FGF
Sun Feb 21, 2021 10:47 am
Forum: Frame
Topic: B50 Frame CAD files
Replies: 14
Views: 10968

Re: B50 Frame CAD files

Right Mark , I just wanted to say that the calculation of welds is very difficult . CAD software ( Solidworks , CATIA , CREO , ...) can calculate welds but the results are often wrong for many reasons. Only special sofware , like ANSYS , can accuratly calculate the welds and it 's very long and expe...
by FGF
Sat Feb 20, 2021 3:24 pm
Forum: Frame
Topic: B50 Frame CAD files
Replies: 14
Views: 10968

Re: B50 Frame CAD files

Hello , For those who want to modify a part of their own frame or swingarm or make a tool which work with bending and/or twisting : in France , we have a free and easy to use software which can calculate beam structures. it 's a little one , very quick and easy to use with pictures . it doesn't calc...
by FGF
Fri Feb 19, 2021 6:29 pm
Forum: Tech
Topic: B50 camshaft end float
Replies: 7
Views: 3172

Re: B50 camshaft end float

Thanks for all ,

And sorry , my French machinist had forgotten to machine the flat face of the bushes .
He had just honed the Internal diameter after fitting them in the cases.

With the crankcase bush, it 'll be a little sporty with the cases tightened.

My B50 apprenticeship go on ...
Francois
by FGF
Wed Feb 17, 2021 6:22 pm
Forum: Tech
Topic: B50 camshaft end float
Replies: 7
Views: 3172

Re: B50 camshaft end float

Thanks Kommando ,
i 'll do as you say in a second part but before i can't fit the Tappet in the crankcase hole due to the positive offset.

So , i 'd like to know , if possible , the right position of the bush ( 70-8315 ) outer flat face ...
by FGF
Wed Feb 17, 2021 4:43 pm
Forum: Tech
Topic: B50 camshaft end float
Replies: 7
Views: 3172

B50 camshaft end float

Hello , My new camshaft bush have a positive offset ( 0.4 mm ) with the crankcase boss. The exhaust tappet ( rear position ) can't fit . tappet_.jpg pouss_AC.jpg i 'm going to verify if the bush is fully fitted against the crankcase and it might be. else , if it must be machined , can you tell me wh...
by FGF
Mon Feb 15, 2021 12:23 pm
Forum: Project bikes
Topic: LOBE 2 20-21
Replies: 260
Views: 55388

Re: LOBE 2 20-21

Hello Beat , Yesterday , i stayed up late . I had not read your GOLDIE side car project '' Star ''. Where do you find this energy in Switzerland ? So amazing , i was afraid of thinking that your crashes were due to a weakness of the stainless frame , but you wrote not . Best wishes for the new stain...
by FGF
Thu Feb 11, 2021 10:56 am
Forum: Project bikes
Topic: 74 TR5 MX Project For Ken - Finished With Video
Replies: 133
Views: 35124

Re: 74 TR5 MX Project For Ken

Hello Johnu ,
Really nice work ...

Could you tell me what in line gauze filter you have fitted on the rear frame drain plug ?
oil_filter.jpg
oil_filter.jpg (8.14 KiB) Viewed 5253 times
i was working to fit a KTM 990 gauze filter but if i find a ready made one , it could be quicker !
thanks
Francois
by FGF
Mon Feb 08, 2021 11:21 am
Forum: Project bikes
Topic: B25 SS CV19 project
Replies: 74
Views: 20410

Re: B25 SS CV19 project

Francois, Have you tried long brake arms like these https://www.ebay.co.uk/itm/TRIUMPH-FRONT-BRAKE-CAM-CONICAL-HUB-EXTRA-LONG-PAIR-37-3986-7L/154057573160?hash=item23de8c0328:g:EyUAAOSwfR5flpj2 They would lower the force required from your cable and so it might stretch less. Thank you Basil , it 's...
by FGF
Fri Feb 05, 2021 11:27 am
Forum: Tech
Topic: woodruff keys
Replies: 13
Views: 4733

Re: woodruff keys

Hello Mark , thanks for your answer , i thought to have the right one : key_2.jpg i 'd prefer to be sure , i was going to grind the wrong key ... the one with a flat face on a side ( red arrow ) : H 4.64 mm B 3.98 L 12.5 is it the timing pinion one ? 41-0560 the second H 4.94 mm B 3.98 L 12.5 Francois
by FGF
Thu Feb 04, 2021 7:12 pm
Forum: Tech
Topic: woodruff keys
Replies: 13
Views: 4733

Re: woodruff keys

Hello , I 've the right key now...good But on the crankshaft pinion the key is tight fit and it leads the worm gear with it 's slot too. it 's not easy to press it with the worm gear close. i 've tried with a pipe wrench ( soft jaws ) but 1 mm is missing and i can't finish. two solutions : tight fit...
by FGF
Wed Feb 03, 2021 11:30 am
Forum: Tech
Topic: Wear Tappet
Replies: 5
Views: 2893

Re: Wear Tappet

It should be ground flat to the correct angle. Thanks Kommando i think that these tappets are the originals ones , about 25000 kms About the angle , do you mean : the plane must be perpendicular to the tappet 's spindle ? And what would be the grinding limit ? 0.2 mm 0.5 mm the camshaft was in good...