What other engines will fit in the 125 frame?

[snowbound]

So i've been thinking over the past few days about the fate of my RD.
The engine is all running fine now but there are a few bolt holes that have split over the years.
I do want something bigger, now that i'm going to be travelling 12+ miles to work and then the same back it would be ideal, as i wouldn't be putting as many mile on the car.

I've seen a few threads about TZR engines but i'm wondering what else will go in nicely.
Is there room to fit anything bigger in than a 125?

Cheers guys and sorry if its been answered before.

[proam350]

seen dtr2oo motors fitted easy fit also soon a 125lc with yz250 motor fitted but its a lot of work plus you need a pipe made to fit

[bigal1]

yz 250 but will need a bit of moding ...or a cr 500 maybe if your doing a engine mod you may as well do something mad ....
and will rip ya underpants off when u pull away

[snowbound]

CR 500 sound extreme, but it would be a great project.
I was thinking more 200-350.
Thanks for the suggestions guys.

[bertiemollie]

I thought one on the DT200 YPVS variants MIGHT go straight into the frame but please check first. I don't expect the electrics to plug straight in.

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