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New Project, where to start
Posted: April 13th, 2013, 9:01 pm
by jwbronco
I picked up a 2004 CRF 450R complete bike that's stuck in 3rd gear. It runs great but I got it to swap my 96 motor into because I want a modern chassis for the motor and I'm going to sell the crf motor and cr500 chassis to pay for it all. I see the frame kits on ebay for rails and mounts and I see the kit for crf250 which have airbox item.
CRF250 kit
http://www.ebay.com/itm/Complete-alumin ... 0d&vxp=mtr
Frame rail and mounts
http://www.ebay.com/itm/CR500-HONDA-ENG ... a0&vxp=mtr
Airbox
http://www.ebay.com/itm/Airbox-adapter- ... 7f&vxp=mtr
Can I use the Y from this kit to make it easier?
http://www.ebay.com/itm/Complete-alumin ... de&vxp=mtr
Posted: April 14th, 2013, 4:55 am
by fmikhele
Using Jerc's parts right now for my build -->
http://www.bannedcr500riders.com/board ... hp?t=13183
Recommend his parts 100%
He gives you step by step instructions for the conversion-->
http://www.bannedcr500riders.com/board ... hp?t=13204
Posted: April 16th, 2013, 9:27 pm
by jwbronco
I've got a few things on the way like a new engine jig, ordered the air boot from a 99 250 and a already modified oversized tank.
I'm hoping to document this build and hopefully make it repeatable
Posted: June 11th, 2013, 11:43 pm
by lambofgod85
hey mate, hows your build going? Have you got any photos of your airbox mod, I am abit stuck cause boot is hitting the top of the shock. thanks
Posted: June 12th, 2013, 4:49 pm
by fmikhele
Jerc's adapter plate with the CR250 boot will do the trick!
Posted: August 30th, 2013, 8:28 am
by jwbronco
Update,
After trying for several months to get the title issue squared away I purchased a frame on ebay this week so I'm hoping to get this started. I'm going to have a lot of parts to sell to offset some of the cost.
Posted: September 10th, 2013, 2:58 pm
by Jercs
fmikhele,
Hows your build coming along? Would you mind posting photos?
We have updated our instructions in case you needed more up-to-date ones. They can be found on our website conversionparts500.com.
Posted: September 11th, 2013, 4:34 am
by fmikhele
Jercs,
Here is the link for my build:
http://www.bannedcr500riders.com/board/ ... hp?t=13183
Sent you an e-mail the other day for another potential customer

Posted: May 23rd, 2014, 12:25 pm
by jwbronco
I'm back on track. Between dealing with military orders and back injury I just put things on hold till I could figure out a few things. I've finally made the first few cuts and now there's no going back. I'm debating now how I'll be proceeding on the Y section and head stay. I'll post some picture later with progress and thoughts so I can bounce ideas.