aprilia RS50 - Sportbike Forum: Sportbike Motorcycle Forums
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post #1 of 4 (permalink) Old 01-07-2002, 02:49 PM Thread Starter
Join Date: Dec 1999
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aprilia RS50

I want to purchase an RS50 with a knackered motor and replace it with a 125cc 4 stroke or 2 stroke dirtbike engine. I don't really know how hard it will be. I do know that if it works I'll have one fast little sport bike to tear up the streets of manhattan with. I also don't really know how much it would cost. Any comments or info would be appreciated.
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post #2 of 4 (permalink) Old 01-07-2002, 11:53 PM
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i think a ysr50 would be easier. just because i know it's been done. i saw a yz500 powered ysr. never saw anyone try it with the rs50


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post #3 of 4 (permalink) Old 07-11-2003, 09:30 AM
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Look at what I found regarding a swap.


Aprilia RS50 / 125cc Conversion

Pictures of the Honda RS125GP motor crammed in an Aprilia RS50 scoot!

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post #4 of 4 (permalink) Old 01-21-2004, 03:01 AM
Join Date: Sep 2001
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did you do it?

Did you buy a rs50 to do the conversion?

There are a lot of guys doing RS50 motor swaps these days (yz125, kx250, and I think even a crf450) so the info is available if needed. You can get details on the apriliaforum.com messageboard.
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