Michel's French Project

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Re: 78 CCM

Postby ccm60 » Fri Dec 19, 2008 7:15 pm

Bonsoir,
cela va être dur de communiquer, mais bon je me lance, le ridicule ne tue plus, do not laugh, now I regret my english teacher, too late, and I refused to disturb my sweet wife a each word.
I don't know where I can introduce me. I look and I try to understant what you write but I know 40% I suppose.
I am very happy to visit this forum special B50 and CCM. I have a 78 ( the same of this photo) and 76 moto cross CCM. This bike must be restaured.
I think found a « encyclopédie » of CCM, year > type > specification (the same of the european bike), for a good restoration.
- I would like to see a original photo of moto cross CCM 1976 (what colour origin plastic fiber tank, forme of fork ...)
- For the magnésium slider 78 fork, have you a experience of repairs with welding ? A french spécialist explain to me it's very dangerous after welding because the alloy can break nearly of the reparation.
- It's possible to found a complet black side panel, the same of the photo for 78 CCM ?
Can you help me ? Thank you for your patience to read me
Good night
Michel
Mark Cook wrote:Not much to say about this one, apart from the fact the engine has had the full PES treatment. It's been kicking around my workshop for a while now, but today I got to wave goodbye. Why can't I keep them all ;-)

Image

Image

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Postby minetymenace » Fri Dec 19, 2008 8:03 pm

Welcom to the Forum ccm60!

<135

I have started you a new topic, so you can have all your replies in one place.

The forum language is English, it dosn't matter how you did at school!! Keep posting and if you have any problems, drop me a line and I'll try to sort stuff out...

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Postby Mark Cook » Fri Dec 19, 2008 8:19 pm

Hello and welcome Michel,

Black side panels no problem, in stock.

Magnesium repairs, no proplem. (swarf is sold to Minety for explosives ;)) kidding honest.

As for the 76 CCM, look in project bikes, it should be the thread near the top ;-)

All the best

Mark
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Postby ccm60 » Sun Dec 21, 2008 9:06 pm

Good evening every body, :grin:
Thank you for your welcome and your answer.
I am happy to now it's possible to have a side panel.
I want to put here some pictures but I don't find location ??? img ???
For my information, what is "swarf" :(
Amitié
Mark Cook wrote:Hello and welcome Michel,

Black side panels no problem, in stock.

Magnesium repairs, no proplem. (swarf is sold to Minety for explosives ;)) kidding honest.

As for the 76 CCM, look in project bikes, it should be the thread near the top ;-)

All the best

Mark

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Postby kommando » Sun Dec 21, 2008 9:51 pm

metal chips is swarf eg from drilling or a lathe.

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Postby b50root » Sun Dec 21, 2008 11:39 pm

ccm60 wrote:I want to put here some pictures but I don't find location ??? img ???


2 ways: look at http://b50.org/phpBB2/viewforum.php?f=12

Photobook or how to upload a pic

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Postby ccm60 » Fri Dec 26, 2008 10:25 am

kommando wrote:metal chips is swarf eg from drilling or a lathe.


Good morning Kommando, thank you for your explanation , the automatic translator doesn't tranlate everything;-) I wish you a merry christmas.

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Year type for CCM

Postby ccm60 » Fri Dec 26, 2008 10:39 am

Good evening,
The santa claus give me a book « CCM Motorcycles the odissey »
:shock: This book is very interesting, but I don’t know something. For the people who have this precious book, on page n°182, 183, in CCM production :
For 1977 year it’s write :
151 bikes
Frame n° start Engine n° start 9084 107 6150
Frame n° end A77 155 Engine n° end 9084 877 155

For 1978 years it’s write :
185 four-stroke motocross
Frame n° start 78 032 Engine n° start 9088 107 821
Frame n° end 78 126 Engine n° end 9088 107 8142
Differential : 94 frame 121 engine


My n° frame is 78 183 Engine 9084 107 181 88 Q3
What is the year of my bike ??? It’s a alien bike ???

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Postby dvaliket » Wed Dec 31, 2008 8:31 am

Are you sure the engine number is correct? The numbers denote in order, stroke, bore, compression ratio, year, number, and gearbox on late models.

So if it was 90841078183Q3, it would mean the bore x stroke is 84 x 90 (500cc, same as B50), 10:1 compression ratio, 1978 model year, #183, with Quaife 3 speed gearbox.

On yours, the 1 after the 7 doesn't make sense. As for the number being so late, the book is probably wrong.

Hope this helps, Dave

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Postby ccm60 » Wed Jan 07, 2009 6:03 pm

dvaliket wrote:Are you sure the engine number is correct? The numbers denote in order, stroke, bore, compression ratio, year, number, and gearbox on late models.

So if it was 90841078183Q3, it would mean the bore x stroke is 84 x 90 (500cc, same as B50), 10:1 compression ratio, 1978 model year, #183, with Quaife 3 speed gearbox.

On yours, the 1 after the 7 doesn't make sense. As for the number being so late, the book is probably wrong.

Hope this helps, Dave

Good evening Dave,
Thank you very much for your precise lesson :grin: . I have put my glasses and look again the n°. Yes I make a mistake, my engine number is 90 84 107 81 80 (or 88, the last numeral is not clear) Q3.
Happy new year to every body. ;-)
Michel

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Postby ccm60 » Wed Jan 07, 2009 6:46 pm

Good evening Rickard,
Just a test for put a picture, :idea: Image

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Postby Mark Cook » Wed Jan 07, 2009 8:13 pm

Lots of horrible looking CCM bits ;-)

Going to keep the polishers and platers busy for a while

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Postby ccm60 » Mon Jan 26, 2009 12:24 pm

Mark Cook wrote:Lots of horrible looking CCM bits ;-)

Going to keep the polishers and platers busy for a while

Mark

Bonjour Mark,
And now what do you think about this <006 , it's enough beautiful for dressed a venerable 78 CCM :lol: :lol: :lol:
Image

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Postby ghislain » Mon Jan 26, 2009 12:39 pm

Hello, Gleaming Neighbour, it seems to be up to the job !!!!

Anyway, it'll covered with mud as soon as you'll be riding it !!!!!! <215 <215 <215 <215

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Postby ccm60 » Mon Jan 26, 2009 12:42 pm

b50root wrote:That was a good explanation Steve.

Rickard

Bonjour Rickard and Steve m,
Thank you for your answers, but my problem is I can't found the way to arrive on the uploard page when i write a message. <008
A french friend recommended ImageShack, I know this system and the
result is good :roll:
Image

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Postby ccm60 » Tue Jan 27, 2009 11:20 am

ghislain wrote:Hello, Gleaming Neighbour, it seems to be up to the job !!!!

Anyway, it'll covered with mud as soon as you'll be riding it !!!!!! <215 <215 <215 <215

Bonjour Ghislain,
A little precision, in our "picardie country" there is a sun all time, yes it's truth. <023
Michel

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Re: Michel's French Project

Postby ccm60 » Thu Mar 26, 2009 4:28 pm

Bonsoir,
News presentation of B50, beautiful :razz: but problem with size of photo, sorry :cry:
I need some information for a CCM 1976. What is the length of the fork (B) on the original bike and a rear shock (A) ?
Image
What is for you the best rear shock for this bike ?
Is the yoke of CCM fork the same on 1976 and 1978 bike ?
I see a CCM with complete Ktm fork, it's not the same yoke, there is 15 mm more than the 78 CCM. What is the consequence for the behaviour (hard to turn ? ….)
Image
Thank you to give me your experience ;-) .
Michel

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Re: Michel's French Project

Postby b50root » Thu Mar 26, 2009 7:31 pm

ccm60 wrote: but problem with size of photo, sorry


It should work better if you used the forum internal photo system.

It´s in the buttom when you write a topic.

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Re: Michel's French Project

Postby Costa » Thu Mar 26, 2009 11:55 pm

Michel:

I'll try this one!

This is the top yoke from my 75 CCM, with the Clews forks. Note that the angle is already quite a bit steeper than that of the original BSA yokes. There were two reasons for this: in the first place, the B50 already steers fairly slowly; secondly, lengthening the swing-arm and increasing suspension travel only makes the problem worse. Steepening the head angle sped up the steering.
CCM 75.JPG
CCM 75.JPG (158.05 KiB) Viewed 3548 times

CCM 75-a.JPG
CCM 75-a.JPG (177.17 KiB) Viewed 3548 times


The 1978 forks, produced by Marzocchi, were similar, if not identical to this Can-Am front end. The travel is a lot longer and the angle is much steeper. Note also that the swing-arm is a couple of inches longer than the 75, and the travel is greatly increased as well. Altogether, this puts a lot more weight on the front wheel and quickens the steering a lot. All good things!
Marzocchi.jpg
Marzocchi.jpg (160.45 KiB) Viewed 3544 times

Marzocchi-a.jpg
Marzocchi-a.jpg (155.22 KiB) Viewed 3542 times


The Marzocchi fork angle is also a lot steeper to compensate for the leading axle (which is there to make it easier to increase travel).

Hope this helps,

Costa

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Re: Michel's French Project

Postby CCM620 » Fri Mar 27, 2009 5:59 am

the 78 bike had not a Marzocchi fork,it was CCM`s own design.Marzocchi`s had the 77 and then the 80 and 81 bike.

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Re: Michel's French Project

Postby Mark Cook » Fri Mar 27, 2009 9:22 am

Hey chaps, let's not confuse head angle with offset :???:

CCM head angles are random, horrible but true. On the 75CCM's the yokes had offset options, with the amount they were offset cast into them.

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Re: Michel's French Project

Postby halmc » Fri Mar 27, 2009 12:28 pm

Simply gorgeous! (um referring to the images of the completed bike, and to the Image Michel has in mind!)
Never use reason to dissuade a man who adopts his convictions without it.

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Re: Michel's French Project

Postby 1rob waddington » Fri Mar 27, 2009 2:34 pm

yes ccm620,My own ccm which is project 76ccm , measures 380mm centre stud to centre stud, which is measurement A on your sketch . This should now help you to set up the bike..Rob

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Re: Michel's French Project

Postby flower pot racing » Fri Mar 27, 2009 6:14 pm

Oh, I have a set of nos Fox air shoxs in the original box, with manual tools decals that would be perfect for that bike.
PM me if interested

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Re: Michel's French Project

Postby ccm60 » Fri Mar 27, 2009 8:01 pm

Bonsoir,
Thank you every body for your information <038 .
Now I must translate <220 and understand precisely what you write <005 .
Good evening

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Re: Michel's French Project

Postby ccm60 » Sun Apr 11, 2010 7:40 pm

Bonsoir,
I have a problem with the clutch on the CCM 76 :(
CCM 76 020.jpg

When I activate the clutch lever, the clutch operating lever (pinion) – part A - places itself wrongly in the outer timing cover and has lots of functional play on diameter.
What is the distance travels of the part A in foctionnement ?
The clutch lever had been extended to be able to disconnect ...(I guess the hardness)
CCM 76 022.jpg

Have you encountered this problem?
What solution?
Redo part A pinion clutch operating lever, larger and rebore the outer timing cover ? <201
I am interested with your experiences,
I do thank you.
Michel

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Re: Michel's French Project

Postby Ian Hingley » Sun Apr 11, 2010 9:37 pm

Hi Michel

I think you just have to do some trial and error dry fits.

You can remove the rack (A) and rotate the pinion until it is at about "1 o'clock" with the clutch adjusted and the cable fitted.

Hope this makes sense.
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Re: Michel's French Project

Postby Mark Cook » Mon Apr 12, 2010 7:54 am

As it's a magnesium casting I expect it's just worn out. I could weld it up and remachine it, but it would be a while before I got a chance. It's one of those jobs that requires a few hours setting for minutes of machining. Later in the year I have some new right hand castings to machine, then would be a good time as the jigs would be setup.

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Re: Michel's French Project

Postby ccm60 » Tue Apr 13, 2010 6:27 pm

Bonsoir,

I controlled the alignment of the drill receiving the part A and yes the cover is worn <125
The CCM 76 cover is in alumnium or magnesium ?
(The 78 seems to be aluminum)
Engrenage embrayage CCM 76.jpg

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Re: Michel's French Project

Postby ccm60 » Sun May 16, 2010 5:30 pm

Need help for Marzocchi fork

Bonjour,
For a Marzocchi deported axis diameter 38 mm, 81 years, someone he can:
1) to confirm the placement of parts on the picture <134
2) provide me with the quantity of oil to put in a tube
Thank you in advance for your answers <904
Michel
Fourche Marzocchi 010.jpg

Fourche Marzocchi 011.jpg

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Re: Michel's French Project

Postby ccm60 » Wed Jun 09, 2010 9:11 pm

Bonsoir,

A friend sent me a document concerning the Marzocchi 38 mm. <906
The location of parts in the picture is good.
Oil = 380 ml per barrel
No error possible through this plan, I can rebuilt the fork. <216

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Re: Michel's French Project

Postby ccm60 » Tue Aug 10, 2010 1:55 pm

ccm60 wrote:Bonsoir,

I controlled the alignment of the drill receiving the part A and yes the cover is worn <125
The CCM 76 cover is in alumnium or magnesium ?
(The 78 seems to be aluminum)
The attachment Engrenage embrayage CCM 76.jpg is no longer available

Bonjour,
To improve the guidance of the rack I asked a lathe to produce a ring.Now the pieces are working with a working game reduced iron against iron. Disengage should be a joy. :ban <922
carter CCM 76 004_New1.jpg

carter CCM 76 006.jpg

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Re: Michel's French Project

Postby minetymenace » Tue Aug 10, 2010 5:05 pm

Well done ccm60, there is more than one way of killing a cat rather than drowning it in milk.

Did you have to machine the casting (apart from drill and tap the locating screw)?
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Re: Michel's French Project

Postby steve m » Wed Aug 11, 2010 2:58 am

nice one, Michel.
well done :thumb :thumb

steve

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Re: Michel's French Project

Postby ccm60 » Sat Aug 14, 2010 11:59 am

Bonjour Minety,

Not easy to understand the content of your message !
Why drown the cat ?? <937
Remember, I have not mastered the language perfectly shakespeare, I am obliged to use the google translator who does not give the true meaning of sentences. <127
I respond to your request:
I do not have a machine for working metal, but on a wooden ladder or smaller, I'm doing
Work casing milling, manufacturing of the ring was made by a craftsman lathe
One of my passions before the restoration of CCM, English furniture already!
ccm 8 001.jpg

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Re: Michel's French Project

Postby ccm60 » Sat Aug 14, 2010 12:02 pm

Merci beaucoup steve M ccmicon

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Re: Michel's French Project

Postby minetymenace » Sat Aug 14, 2010 5:16 pm

Michel, I am a little worried that your CCM will be too small for you (I asume that the rest of your body is in proportion to your hands).

Sorry, English humour.
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Re: Michel's French Project

Postby Mark Cook » Sat Aug 14, 2010 7:54 pm

Anita asks if it's doll's house furniture that you've been restoring :?: ;-)

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Re: Michel's French Project

Postby ccm60 » Sun Aug 15, 2010 7:10 pm

Bonjour Anita and Mark,
They are my creations. when I saw correctly <940 , I created a number of furniture and various objects in the idea of building a doll house like the one found in your country.
This is another story. <008
Now I'm an old man who reassemble with difficulty his CCM. <982 <1009

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Re: Michel's French Project

Postby ccm60 » Fri Aug 20, 2010 9:24 am

Bonjour,
My top yoke is not repairable
ccm 78 011.jpg
, I could make a new machined aluminum type in 7000.
Té CCM 78 010.jpg

For it looks like I originally tried to reproduce the moldings, aluminum is much harder than oak, my tool for cutting wood does not appreciate at all. :(
It is imperative that a special cutting tool. A template
Té CCM 78 015.jpg
, ring to copy on the machine
Té CCM 78 018.jpg
and set off for adventure
Té CCM 78 011.jpg

I did not pay attention to the positioning of the top yok (arrow), <021 the screw should be on the right
Té CCM 78 026.jpg

I think with the painting, the handlebars in place and moving very fast, it should be correct. <1004
The original top yoke weighs 500 grams, the new 800 gr.


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