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PismoLocal
09-11-2006, 12:03 PM
Does any one know if any companies sell a conversion kit for a 250r frame. I was wondering If there is any place that sells like a motor mount kit or something for aftermarket motors in the 250r frame?

PismoLocal
09-13-2006, 10:07 AM
So nobody knows if any one makes motor mount kits for putting crf/yz motors into 250r frames?

2muchquad
09-13-2006, 11:25 AM
try walshracing.Its www.wrcracing.com

PismoLocal
09-13-2006, 12:10 PM
I couldnt find motor mounts for a stock 250r frame and any aftermarket motor. Ok im on a mission now I'm going to find some one that does.

Mitch_McComb
09-13-2006, 12:51 PM
Depending on what 250r your talking about.

I know they make frame brackets and conversion pipes to put a quadzilla motor in a lt250r frame.

PismoLocal
09-13-2006, 03:26 PM
Im talkin Honda 250r. I still can't find a company that sells motor mount kits for yz or crf motors to fit in a stock honda 250r frame. Wow i can't believe nobody thought of that yet. I'm going to figure out how to make mounting kits for yz or crf motors and sell them for like $200 a pop.

stocktires
09-13-2006, 04:43 PM
It's not as common as a 400ex conversion, and I think the 250r conversion deals more with cutting the actual frame up compared to a 400ex.

PismoLocal
09-13-2006, 05:16 PM
Oh well do any companies sell a kit to bolt a crf450 motor into a 400ex?

416exmx
09-13-2006, 05:47 PM
Originally posted by PismoLocal
Oh well do any companies sell a kit to bolt a crf450 motor into a 400ex?

No.... There is alot more to a hybrid than just a "bolt on kit".

PismoLocal
09-13-2006, 08:40 PM
Originally posted by 416exmx
No.... There is alot more to a hybrid than just a "bolt on kit".
I never said that there wasn't, It would just be nice if some one made a mount kit for the motor mounts and pivot bolt to put a crf450 motor in a 400ex frame.

416exmx
09-13-2006, 09:04 PM
Originally posted by PismoLocal
I never said that there wasn't, It would just be nice if some one made a mount kit for the motor mounts and pivot bolt to put a crf450 motor in a 400ex frame.


But you still have to weld tabs on the frame for the radiator, coil, cdi, tabs for the headstay mounts, and then maybe notch the upper rear shock mount frame rail to get the air boot right, machine on the swingarm so the sprockets line up, make a kick lever extension and such. You mean it would be nice if all this was already made up in a kit and all you had to do was put a templet up to the frame and tig everything on.

PismoLocal
09-14-2006, 10:32 AM
No I just wanted the motor mounts but It would be nice if they did sell kits like that.

09-14-2006, 11:45 AM
Get the motor in the frame and line it in place and bring it to a some one that can weld and you can have mounts for under $70. I had a whole frame converted for $270. I gess it took 7 hours :rolleyes:

stocktires
09-14-2006, 12:14 PM
JB Racing does i believe do it for a 400ex

Nick shupe
09-15-2006, 08:40 AM
My dad has a lonestar 250r and a stock frame he's been wanting to do the same thing put a CRF engine in one of the 250r frames but it involes way to much cutting on the frame to get it to work it's easer for you to make one out of a 400ex then a 250r unless you talk to the an aftermarket compeny like lonestar and they will build it to work for the honda engine or the yamaha, The only problem there is that costs about 2500 bucks for a frame so if i were going to build one and all you have is a stock 250r frame or a stock 400ex go with the 400 it's still going to take some work but not near as much as trying to get CRF in that stock 250r frame there's something about the down tubs on the frame were you're front motor mounts they are not in the write place. You could call lonestar and the'll tell you why it dosn't work

Lonestar_R
09-15-2006, 11:49 AM
Does anyone know what JB charges for a 400EX frame Conversion.....

stocktires
09-15-2006, 06:41 PM
Originally posted by Nick shupe
My dad has a lonestar 250r and a stock frame he's been wanting to do the same thing put a CRF engine in one of the 250r frames but it involes way to much cutting on the frame to get it to work it's easer for you to make one out of a 400ex then a 250r unless you talk to the an aftermarket compeny like lonestar and they will build it to work for the honda engine or the yamaha, The only problem there is that costs about 2500 bucks for a frame so if i were going to build one and all you have is a stock 250r frame or a stock 400ex go with the 400 it's still going to take some work but not near as much as trying to get CRF in that stock 250r frame there's something about the down tubs on the frame were you're front motor mounts are, there not in the write place. You could call lonestar and the'll tell you why it dosn't work


I'm not a stickler for punctuation, correct grammar, or just something making sense...but WOW!

Nick shupe
09-16-2006, 08:36 AM
Originally posted by stocktires
I'm not a stickler for punctuation, correct grammar, or just something making sense...but WOW! Sorry about that I was in a hurry I didn't know we had a teacher on board