#1
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moved
Moved to general dis.
Last edited by 559stan; 07-19-2013 at 09:26 AM. Reason: moved |
#2
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If I've got this right:
The 200-250/300 cases are the same, BUT the machining for the 200 is different, so short answer is no. Since the cases are the same the complete motors will swap into the same chassis I think there is a way to put a 250 cylinder on a 200 making a 220cc, but not sure where I got the idea?
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2011 GasGas ec300R 2011 GasGas ec200 Six Days |
#3
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Quote:
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#4
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There was a thread about this a while back...can't remember the details, but it was a custom one off motor....
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Rick 99 EC 200 06 RM 250 AMA D36 375X OTHG 375S ***Thanks for the support : Twin Air /O'Neil Racing / Race 100% / Matrix Concepts / ODI / Mika Metals |
#5
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Quote:
I'd like to hear more of the 220cc.Sound's like fun. |
#6
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No, there was a new member sometime back, I think it was early in the year that he stated he had a "one off motor" I think it was a 200 bottom end with a 250 rod and mod crank.... The member was asking a ton of questions about a replaement rod or something of that nature..... I remember reading about it......I'm not sure if it was a new thread or a thread that got high jacked???
I wish I could remember more details for you guys.... as it made for intresting reading.
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Rick 99 EC 200 06 RM 250 AMA D36 375X OTHG 375S ***Thanks for the support : Twin Air /O'Neil Racing / Race 100% / Matrix Concepts / ODI / Mika Metals |
#7
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All 3 use the same rod (same as CR250). The crank is where the difference is. In saying that, in theory you could bore out a 200 cylinder to 250 spec, use a 250 piston and head, and achieve around 225cc. I guess you could also use a 250 cylinder, but would have to shorten it and set the port timing.
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