Forum dello YAMAHA RD 350 & 500 CLUB ITALIA
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 Ymaha rd 125 dx
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Yamaha
S&T (suole e tacchi)

15 Posts

Posted - 25 Jul 2008 :  16:11:20  Show Profile
Hello,
I need help about my yamaha rd 125 air-cooled engine.
I want to drive it on races but I don't know wich parts to change and wich exhaust to put so i couldt get more horse powers.

If someone know something pleeeease tell me.
Thank you very much on your help.

Edited by - Moderatore on 26 Jul 2008 09:18:39

Maurizio Lo Russo
Presidente

3472 Posts

Posted - 25 Jul 2008 :  17:56:25  Show Profile
Hello, sorry but that type was not imported in italy.
Check in Singapore for parts or in germany...
Some of the liquid cooled one were imported (very fiew...).
Were are you from?

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Yamaha
S&T (suole e tacchi)

15 Posts

Posted - 25 Jul 2008 :  18:00:37  Show Profile
But i don't know wich parts to change, on my air-cooled Yamaha.
I am from Serbia
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Rancido+
Pilota (o baffo)

5543 Posts

Posted - 29 Jul 2008 :  09:33:48  Show Profile  Visit Rancido+'s Homepage
As you have read, in Italy that model was not imported.

So, just to give us some more element to discuss about your issue, I can only suggest you to post some pictures of your bike and to tell us what level of modification (the amount of power) you wish to reach.


...mille misure, un solo taglio...
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Yamaha
S&T (suole e tacchi)

15 Posts

Posted - 01 Aug 2008 :  11:17:47  Show Profile
You can find my bike here
http://www.bikez.com/motorcycles/yamaha_rd_125_dx_1976.php
The amount of power...hmm, from 23-5hp to --->
The exhaust and carb (I don't know wich) would give me plenty of power with some other engine modification
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Rancido+
Pilota (o baffo)

5543 Posts

Posted - 04 Aug 2008 :  14:19:25  Show Profile  Visit Rancido+'s Homepage
I've just given a look at the link you mentioned, but no picture was available there.

Searching up and down on the web I've found this:



Is that your bike?


...mille misure, un solo taglio...
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Yamaha
S&T (suole e tacchi)

15 Posts

Posted - 09 Aug 2008 :  19:20:00  Show Profile
yes it is, for this bike I need performance (sport) exhaus
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Yamaha
S&T (suole e tacchi)

15 Posts

Posted - 09 Aug 2008 :  21:13:41  Show Profile
Yes it is for this bike I need to know wich exhaust (sport), carb and other modifications to make so I could get on races with it
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Rancido+
Pilota (o baffo)

5543 Posts

Posted - 13 Aug 2008 :  09:15:11  Show Profile  Visit Rancido+'s Homepage
Uhmm... it's hard to give directions on a bike that we don't know (in Italy we have no special part for that bike).

The only thing I can suggest you, is to try to find out (dont't ask me how or where....) the diagram of the cylinder and then compare it with another similar one .

The goal is to discover what kind of exaust (taken from another model) you could use (and adapt, of corse) as a sport-replacement of the original you have.


...mille misure, un solo taglio...
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Yamaha
S&T (suole e tacchi)

15 Posts

Posted - 14 Aug 2008 :  10:20:50  Show Profile
I will see for cylinder that you said...
Can you find out wich exhaust should I put..
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Rancido+
Pilota (o baffo)

5543 Posts

Posted - 14 Aug 2008 :  11:03:49  Show Profile  Visit Rancido+'s Homepage
The selection of a good exaust is strictly related to the diagram of the cilinder.

First of all you should have that diagram, and then, on that basis, try to find out, over the web, if exist another motorcycle with a similar/comparable diagram and try to buy the related sport exaust.

Another solution could be to make it by yourself using some specific software available somewhere on the net, but it is not easy because not all the people have the ability to do that (it is a very complex job).

But.... have you ever searched on the web a sport-exaust for your model?

Still remember that your model has never been imported in Italy and then we can only give some ideas on how to solve your problem.


...mille misure, un solo taglio...
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jonnyrd62
Manico con pelo (sullo stomaco)

1547 Posts

Posted - 14 Aug 2008 :  12:58:30  Show Profile
Ma in Italia non la facevano come Italjet questa 125?


Ognuno di noi nasce con un tot di carburante nel serbatoio di cui non conosce la quantità.
A qualcuno è stato fatto il pieno,altri ne hanno la metà,altri nascono che sono già in riserva.
L'unica è tirare come se nulla fosse,quando poi sentirai che il carburatore si svuota improvvisamente,è giunto il tuo momento.
Non fa niente.
L'importante è non essere andato a passo di lumaca tutta la vita per paura di questo momento.
Walter Villa
Se devi vivere tutta la vita strisciando come un verme, alzati e muori!

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Yamaha
S&T (suole e tacchi)

15 Posts

Posted - 14 Aug 2008 :  14:37:46  Show Profile
I don't understand very much in mechanics but I will thry to do what you said and I will call you back
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Yamaha
S&T (suole e tacchi)

15 Posts

Posted - 14 Aug 2008 :  14:40:36  Show Profile
I don't speak Italyan sory..
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maurord
Pilota (o baffo)

Italy
4471 Posts

Posted - 14 Aug 2008 :  17:16:59  Show Profile  Send maurord an ICQ Message  Click to see maurord's MSN Messenger address
SI........ manco l'inglese........


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Ferro
Consigliere Informatico

Italy
3939 Posts

Posted - 14 Aug 2008 :  18:36:40  Show Profile  Click to see Ferro's MSN Messenger address
quote:
Originally posted by maurord

SI........ manco l'inglese........



..son piegato in due....
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