07 200 to 05 conversion

[brains]

I am thinking about buying a 07 200 and changing the top end to a 250 05 I have lying around.

Anyone tried this yet, or have any ideas? I don't think there will be any issues, but the PV may be different?

[GMP]

No Go, the cases are different. Only the 250/300 convert eaisly. You can swap entire motors though, that would be easy. Only detail would be the CDI as the early '05s used the older style.

[brains]

Thanks for the info, I presume all the mounting bolts line up in the frame?
CDI shouldn't be a problem, I'll just change it over with the motor?

[GMP]

Yes, the '05 and '07 frames are the same. You would want to keep the CDIs with the motors, but the late '05+ CDIs mount different and use a different connector system in the harness. If both CDIs mount inside the airboxs, your good to go. BTW, the '05 would then be the dual map CDI.

[brains]

Thanks GMP, I hope the work will be worth while. The 07 felt a little more nimble than the 05/06, so I will have a good package for harescrambles.

If I am correct the 07 had Marzoks, I'm thinking about changing over the Ollins from the 05 at the same time as motors.

[brains]

Just been thinking about it, if the 05/06/07 frames were the same, what were the changes besides the subframe,seat and plastics? I'm starting to wonder if buying the 07 is a worth while project?