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PostPosted: Wed Jun 21, 2017 9:56 pm 
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Posts: 155
Oh thanks RF125.... Now I understand very well. This is the plate who it is fixing the cable.

Rest to find this plate.

Thanks you very for the help. :P


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PostPosted: Wed Jun 21, 2017 11:28 pm 
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hello seb lavetti in italy stock the bolt on part on the steering column.


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PostPosted: Thu Jun 22, 2017 3:59 am 
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You are correct Hugo, there are two versions of the regulator plate, one with the cable holder for turning type headlight, the other without the cable holder for non turning type headlight. It would appear that pess has the late type regulator plate in his early type scooter. Graham.


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PostPosted: Thu Jun 22, 2017 4:06 am 
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Sorry I missed the last post's and it looks like rf125 had answered this already . Graham


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PostPosted: Tue Dec 19, 2017 8:30 pm 
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hello,

I would ike to know what is the tickness of gasket cylinder (cylinder/crankase) please? i have parmakit cylinder sport.

regards

Seb


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PostPosted: Wed Dec 20, 2017 10:07 pm 
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pess32 wrote:
hello,

I would ike to know what is the tickness of gasket cylinder (cylinder/crankase) please? i have parmakit cylinder sport.

regards

Seb


Hi Seb, right now I can not tell you 100% accurate the thickness of the gasket because I am not at home and I will not be in the next days, however by memory I would say the thickness of this gasket in the different gasket kits I bought is around 0.5 mm (maybe a bit thicker)

In one of my engines I have one of those gaskets, plus another one made in a harder material, combining both I got the thickness I wanted.

If you are not really in a hurry to know the exact measurement, once I am back home I will check and let you know. Maybe in the meantime another member can tell you the answer you are looking for.

Greets,
Hugo

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PostPosted: Thu Dec 21, 2017 8:40 am 
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Thanks Hugo for your answer.

I have try with 0,30 thickness but it is so smaller. The piston is more high than cylinder and same problem in a down position. I think i need to put more than 1mm thickness.

I try this weekend.

Greets
Seb


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PostPosted: Fri Dec 22, 2017 2:03 am 
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Just measured the gasket my new set made by Athena gaskets in Italy. Measures 2.10 mm. These kits can be obtained from classic gaskets in england for £35. email: classicgaskets1@gmail.com Set covers all models. Should also be able to get from Athena in italy.


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PostPosted: Sun Dec 24, 2017 9:27 am 
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hi,

Thanks Arthur for your answer. I had my with 0.8mm gasket and finally, it seems good.

The piston is at the same level than the top of cylinder.


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PostPosted: Sun Dec 24, 2017 9:30 am 
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top of cylinder


Attachments:
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File comment: cylinder 2
1.jpg
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PostPosted: Sun Dec 24, 2017 11:29 am 
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More important than top dead centre is the position of the piston crown at bottom dead centre.

The bottom of the exhaust port and that part of the piston crown adjacent to it should be line-on-line at bdc.


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PostPosted: Sun Dec 24, 2017 12:22 pm 
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Location: South Wales UK
Sorry for the late response Seb, your result looks ok to me. Just measured the thickness of the ones I always use, 0.83. A gnat's hair on yours!!

Ian


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PostPosted: Sun Dec 24, 2017 6:59 pm 
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As Ian says it's looking good, the base gaskets do compress a bit being quite thick, I wouldn't worry about what's going on at bdc myself .


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PostPosted: Sun Dec 24, 2017 7:16 pm 
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Quote:
I wouldn't worry about what's going on at bdc myself .

You have of course every right to your opinion but I will back mine with 50 years in the precision engineering game 23 of which concentrated on internal combustion engine research and development.


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PostPosted: Sun Dec 24, 2017 7:35 pm 
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pess32 wrote:
...... I had my with 0.8mm gasket and finally, it seems good.


Hi Seb, good to see that you finally found the correct thickness. ;)

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PostPosted: Sun Dec 24, 2017 9:26 pm 
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Getting the deflector to head relationship has thrown up a few problems that have been aired on here plenty of times in the past, I don't think it helps throwing another equation into the mix, I have no precision or other engineering background but I can categorically state that a miss match at bdc will cause less problems than one at tdc on a two stroke engine.


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PostPosted: Thu Jan 11, 2018 7:41 pm 
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hello,

I would like to fit this style of seat on my formichino but i haven't the "original" fixation.

All informations or photos are welcome.

Regards


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PostPosted: Thu Jan 11, 2018 8:22 pm 
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pess terry bedford sells 4 brackets to do this seat conversion,look on moto rumi club uk , see under wanted and for sale ,pictures of seat fitted with brackets.


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PostPosted: Thu Jan 11, 2018 9:47 pm 
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Thanks Arthur


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PostPosted: Mon Feb 05, 2018 9:24 pm 
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hi,

After several weeks, i have finished my handelbar. Ready to be chromed :) :) :) !!!
Attachment:
handelbar.jpg
handelbar.jpg [ 105.04 KiB | Viewed 1839 times ]


Is the plates of rear brake be good :roll: :roll: ?

The bolt is 12 mm.

If you have pics, these are welcome.

Thanks

Attachment:
rear brake control.jpg
rear brake control.jpg [ 121.85 KiB | Viewed 1839 times ]


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PostPosted: Tue Feb 06, 2018 7:30 pm 
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Congratulations for the handlebar, it looks great.

Here some photos of the Formichino and the Bol D'Or rear brake. I didn't realise until now that at the Formichino the bolts are reverse, I will put it right.

I hope the photos help.

Attachment:
Moto-Rumi-Formichino-rear-brake-plates-assembly.jpg
Moto-Rumi-Formichino-rear-brake-plates-assembly.jpg [ 75.7 KiB | Viewed 1811 times ]

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PostPosted: Tue Feb 06, 2018 7:44 pm 
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thanks Hugo.

It seems my plates are the good.

Thanks for the pics.

Regards

Seb


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PostPosted: Sat Mar 03, 2018 7:26 pm 
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hello,

Is somebody knows the number of housing drive speedometer CEV stamped on brass and plug?

For 8"
and for 10"

Thanks

Regards


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PostPosted: Sun Mar 04, 2018 12:36 pm 
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Hi,

In mine (8" wheel) is stamped the number 13 at the brass part of the gear housing.

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PostPosted: Sun Mar 04, 2018 2:21 pm 
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hi hugo,

Thanks for this information


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