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Old 05-10-2018, 07:09 PM
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Default 04 Crf450r left crankcase fits 03?

     

Does anyone know if the 04 left crankcase fits everything else on an 03 crf450r engine? Want to use it to replace the original left case.... also does it fit into the frame?

any thoughts would be good. Seems from what im reading that Honda did big changes to the bike starting in 05. So not sure what the differences are to the cases from 03-04

any thoughts or help would be very much appreciated


Sponge

Last edited by Sponge500; 05-10-2018 at 08:28 PM.
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Old 05-10-2018, 08:42 PM
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The big changes were in 2005 as stated. The 04 should fit the 03, but may I suggest that you change both sides as a set.

Paw Paw
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Old 05-10-2018, 08:58 PM
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Because you feel they would match up better. Hopefully all the 03 bearings and everything fit,..i already bought them all..

I just checked the 03 and 04 right crankcase part numbers on rockymtn atv oem parts and the part numbers are identical....so buying a brand new 04 to mate with it would be the same as the 03 anyway,

Last edited by Sponge500; 05-11-2018 at 08:01 AM.
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Old 05-11-2018, 09:32 AM
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I believe they'll work. I think PawPaw's advice may be more focused on having a set of cases that were machined as a pair in case there may be any minute inconsistencies.
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Old 05-11-2018, 06:57 PM
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Right I understand.

Thanks for your thoughts
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