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View Full Version : pics and opinion of other 250r/yz426 builds



RMI_Speed
12-13-2008, 10:06 PM
in the middle of a yz426 conversion into a stock R frame just wondering if there were any experienced hybird builders out there they could shed there opinion on my build and i would really like some close up pictures on the way people have put yz426's in R chassis i have a couple pics of my motor mounts but still need an intake and have to make a new shock mount

http://i316.photobucket.com/albums/mm353/pimped_wart/PICT0831.jpg
http://i316.photobucket.com/albums/mm353/pimped_wart/PICT0832.jpg
http://i316.photobucket.com/albums/mm353/pimped_wart/PICT0833.jpg
http://i316.photobucket.com/albums/mm353/pimped_wart/PICT0834.jpg

still in progress all opinions can help thanks

2muchquad
12-23-2008, 08:03 PM
you still working on this?how is it going?im thinking about doing the same thing...

400exMO
12-23-2008, 08:48 PM
In the last pic, it appears to me that the engine cylinder is to straight up and down. Might need pivoted forward.

250x_kyle
12-23-2008, 09:07 PM
yup that motor deffinately needs some tilt to it.

RMI_Speed
12-24-2008, 04:20 PM
its tilted so far back because there is no rear shock on it, so the rear end is sitting on the ground.

RMI_Speed
12-26-2008, 10:34 PM
still working on it have a stock 400ex swingarm bolted on now and a yfz450 shock coming so i can raise my rear shock mount over where the intake needs to be give me a couple weeks and i'll get pics of the mounted shock and maybe the intake. also the motor is mounted threw the swing arm bolt and that is as far as i can tilt it forward without the drain plug being underneath the frame

2muchquad
12-27-2008, 12:01 AM
keep us updated.I'm will to move a shock mount if i have to,i just wanna do something different i guess.:)

RMI_Speed
12-27-2008, 03:48 PM
to 2muchquad. well i could've mounted my motor forward more and made a mount that bolted threw the swingarm but i did not like the way it sat. that's what i did first but i like this way much better had to cut apart the frame a lil more with the shock mount moving but it looks alot cleaner just being this far along and makes me fell alot better the swing arm bolt going threw like it is supposed to

Mean250r
12-27-2008, 11:28 PM
Originally posted by RMI_Speed
in the middle of a yz426 conversion into a stock R frame just wondering if there were any experienced hybird builders out there they could shed there opinion on my build and i would really like some close up pictures on the way people have put yz426's in R chassis i have a couple pics of my motor mounts but still need an intake and have to make a new shock mount

http://i316.photobucket.com/albums/mm353/pimped_wart/PICT0831.jpg
http://i316.photobucket.com/albums/mm353/pimped_wart/PICT0832.jpg
http://i316.photobucket.com/albums/mm353/pimped_wart/PICT0833.jpg
http://i316.photobucket.com/albums/mm353/pimped_wart/PICT0834.jpg

still in progress all opinions can help thanks

eeeekkkk 4 stroker in a stock R frame.

Hope u know how to weld cracks well cheif!

2muchquad
12-27-2008, 11:33 PM
ahh..maybe he plans on gusseting.I may do it as well..:macho

RMI_Speed
12-27-2008, 11:45 PM
frame is flawless in it's current state no bends or cracks and have already started cutting out gussets to go all over. cheaper then buyin an aftermarket frame right now steel is free from work so untill i can save up for a yz426 chassis this will work

Mean250r
12-28-2008, 03:09 PM
Originally posted by RMI_Speed
frame is flawless in it's current state no bends or cracks and have already started cutting out gussets to go all over. cheaper then buyin an aftermarket frame right now steel is free from work so untill i can save up for a yz426 chassis this will work

hmm well being the stock frames are cracking from 250r motors, im sure it will crack from a big bore 4 stroker.

Just my .02 boss, no harm intended. Be easy.

2muchquad
12-28-2008, 03:54 PM
mine hasnt cracked,most of them crack when people remove the head stay,Honda had a head mount for a reason..