250r to cr 500 engine conversion

[250r88rider]

im lookin to do a cr500 conversion into my trx 250r im lookin to see if any one has done it and see how much work is required to do it and what lines up and what is involved lookin for any help or info that you guys can supply me with

[bigned1904]

be ready to have a rattle machine.

[Hallz]

like a HD motorcycle rattle lol I read in 2000 dirt wheels wish I still had the mag but a guy out oklahoma built his dream 250r with a 500cr and I rember readin he had to have special motor mounts made just to keep down on the raddling. hell the guy put 20 g's into the hole thing took him five years or so to get done caues buddyies gave him shit the hole thime cayes he don't have anything to ride if anyone nos what month the that dirt wheels is let me no it tell everything on it what all he had to do make it work right

[TrikeMaster]

I just had some big argument about the same issue. I'd say a 500 is about the same speed as a 250, but makes more torque. 500 bogs a little bit more on response.

[TrikeMaster]

It is sick to have a 500R though