Maintenance & Technical > KX500 Original

kx250 with k5 motor how to do it directions PLEASE help

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mar67655:
Ive only been on this site a week and the help ive gotten is awesome .I have a 98 k5 wright now its all dissasembled to bare frame .Ive been reading alot about engine swaps i have had a couple cr250s & 2004 and 05 crf 450 but nothing compares to that k5 power Im thinking of doing a engine swap into a 99 thru 02 kx250 they are pretty cheap to come buy .I would like an aluminum frame conversion but thats not in my budget wright now.If somebody on here has some step buy step dirrections of how to do it and what all need that would be much appreciated .WHAT YEAR KX 250 WOULD YOU RECOMMEND iknow to stay away from the 03 appreciate any help Im going to try and attemp this

jfabmotorsports.com:
I just bought an '07 kx450 with low hours for $2800 on ebay. The engines are going for $1600 to $2000. That leaves me with an $800 to $1200 rolling chassis. How cheap can you buy a KX250?  JFAB

mar67655:
thats avery good point i was thinking the same i know i can get a 2000 kx 250 in good shape some aftermarket parts no joke found acouple i guess because of the economy for 1000 to 800 i was thinking motor on the cheap side on ebay worth 400 to 500 .Mythinking was the fabrication involved in either build i cant weld so i have to farm that out .I know the best is to do what you have done with the kx450 .I guess im trying to be the cheapest i can .I read how you did your its sounds a little scary to jump into but i know its possible appreciate any other advice you might have thank you

mar67655:
I can buy an 06 rmz 450 complete rolling chassis minus motor in like new shape for 1200 have you heard anybody using that set up

jfabmotorsports.com:
Rmz..I think I saw a thread on here with one, maybe. On the other hand, your approach with the steel frame may be the best for you if you are going to farm the work out. It is a lot easier to find someone that can do a good job welding steel than aluminum. The lake mod 250's a very lite and nimble machine.

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