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Johnny(JP)
03-29-2006, 04:47 PM
Hello.
A was just wondering about a carb for my rs50. It's an 1998 model and needs a new carb. I found one on ebay which is a big bore carb. Will this still be ok to use even though i dont have any other modifications at this time such as an exhaust?

Thanks

samRS
03-29-2006, 04:51 PM
what size was the carb on ebay? with a stock setup people go as high as 21mm, but youre best of going for a 19mm with stock setup

Johnny(JP)
03-29-2006, 04:59 PM
Its a 19mm carb

Johnny(JP)
03-29-2006, 05:00 PM
Sorry my mistake.
Its a 21mm

samRS
03-29-2006, 05:02 PM
hhm, would probably be ok, but you might want to invest in some other mods if not id deffinately go for a 19mm carb

Johnny(JP)
03-29-2006, 05:08 PM
so if a go for the 21mm carb then a should b ok and not need to buy anythin else at this moment and time

samRS
03-29-2006, 05:17 PM
you might be ok, but if you can id get a 19mm, only get the 21mm if you are planning on doing some mods, cos its a bit big for a completely stock setup

Johnny(JP)
03-29-2006, 05:44 PM
cheers.
Thanks for the advice

onone.
03-30-2006, 04:18 AM
a 21mm will work ok, youll proberly need a manifold though, what years your bike

Johnny(JP)
03-30-2006, 05:30 AM
My bike is a 1998 model.
The carb also comes with a new manifold

onone.
03-30-2006, 05:33 AM
it'll be ok then, does it come with jets aswell

Johnny(JP)
03-30-2006, 11:38 AM
On ebay it says that the carb comes already jetted

Strid
03-30-2006, 02:15 PM
On ebay it says that the carb comes already jetted

Well, the jetting depends (mostly) on your bikes air-intake and will be diffrent from bike to bike. You need to have the right jet for your bike in your carburettor. If you get the jetting wrong, you risk among other things, seizure and plug fouling.
The easiest way to get the jetting right is a plug chop. Do a search and you'll learn how easy that basically is.
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RS_Patrick
03-30-2006, 02:52 PM
My bike is a 1998 model.
The carb also comes with a new manifold

If you mean the bike in your picture its from 1999, not 1998.

To be exact its a 1999 Aprilia RS50 Tetsuya Harada replica.

And a 21mm Carburetor wont work with a Stock Exhaust, As soon as you touch the throttle the bike will die, that is if it even ever wants to start in the first place

Johnny(JP)
03-31-2006, 01:46 PM
So the carb definatly wont work then

So if its a 99 model how comes its an S reg?

matty moo
04-01-2006, 04:50 PM
s is late 1998 or eirly 1999

Johnny(JP)
04-02-2006, 10:46 AM
Yeah its 1999, my mistake.
Patrick certainly knows his stuff since he gave a discription of the bike just from basiclly a frame and wheels

samRS
04-02-2006, 12:29 PM
Yeah its 1999, my mistake.
Patrick certainly knows his stuff since he gave a discription of the bike just from basiclly a frame and wheels

and the fairings

Johnny(JP)
04-02-2006, 05:46 PM
Aye ok and the fairings

onone.
04-04-2006, 03:48 PM
its not really hard to tell thats its a 99 cause its completely differnt to the 98's

Charles
04-06-2006, 12:25 PM
if u think about it it makes sense that it wouldnt work - u practically flood the enigne at idle cos there is toommcuh fuel 4 it lol - i got the standard carb they do it with on the pre2003 bikes (i think a 9mm or 13) the older ones have 16's as standards but 19mm max - i dont know that the inlet manifold will take a bigger carb without changing it. My inlet manifold has started to perish so it needs replacing soon - it jsut cuts out iff u dont rev it - even when it's warm.