04 Cr250r internals into 05 cases?

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11/13/2018 6:59 PM

Hi all, wondering if anyone knows if possible to use 2004 Cr250r transmission clutch etc into 2005-7 cases? I don't think 04 cases are still sold by Honda. I will be bolting on the 04 cylinder as well. Is this possible? Anyone else tried it?
Thanks in advance

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12/20/2018 3:27 PM

Bump. Anyone tried this ?

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12/21/2018 5:46 PM

I am
Pretty sure that 2002 through 2007 CR250 engine all have the same cases. The only differents is they changed cylinders in 2005.

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12/21/2018 11:35 PM
Edited Date/Time: 12/21/2018 11:45 PM

matt.3150 wrote:

I am
Pretty sure that 2002 through 2007 CR250 engine all have the same cases. The only differents is they changed cylinders in 2005.

02-03 have the same cases with the 03 having thicker stronger gears.
04 cases are different & a 1 yr only design.
05-07 cases & internals are the same.

02, 03 & 04 cyl's all have different oem porting specs each yr. with the 04 having a different spec head.
05-07 cyl & heads are the same.

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Speak softly and carry a big stick.

12/23/2018 11:05 AM

Not saying your wrong but to me what your saying about the transmission sounds like the CR125 not the CR250.

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12/23/2018 6:26 PM
Edited Date/Time: 12/23/2018 6:32 PM

matt.3150 wrote:

Not saying your wrong but to me what your saying about the transmission sounds like the CR125 not the CR250.

Matt - I've owned (9) 3rd gen AF 02-07 models. That gave me an opportunity to gain some knowledge with that gen CR2's.

The 02-07 CR125's had similiar changes to the engines as well during the yrs. I posted above.

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Speak softly and carry a big stick.