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AF conversion Time!

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Hey everyone,

I'm back again planning to do a another frame swap. A while ago I put a 79' rm 125 engine in a 07' frame and it came out perfect. Now what I'm looking to is take a 1990 RM 250 that maybe I can get for $500 and turn it into a 2009 RM250AF bike. Any suggestions? Maybe use the RMZ450 frame rather than the RMZ250? I forgot to mention that the 1990 is a complete running bike, that is pretty cheap. Let me know what you guys think this time around. :thumbsup:

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I am one of those fabricator freaks myself. The only suggestion I have is to try and find a new model donor bike so parts will be more available to expand on your dream. It would also make a difference in resale value.

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Seems like going a step backwards to put such a old motor in a newer frame. I'd want 04+ motor if I was doing a AF swap.

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Recently found a 98' RM250 for $500. Fully working about 10 mins down the road. with that price you cant go wrong.

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Is this going to be an MX bike, woods, play bike? 03 and up was the best 2 fiddy they ever did but it's not like you can't pull power out of a 98. Do it..... do it. My old 88 cr250 is still violently powerful. Just had to work it a little to get there.

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It's going to be a mix of MX and Trailbike use. I'll be going to local tracks and actually riding but in my own back yard Ill be using it as a trail bike. But $500 for a complete 1998 RM250 is still a really good price.

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So a while back I bought the wrong parts on accident so how much do you guys think I could get for a 98' rm 125/250 sub frame, shock linkage and swing arm if I scraped them cause they just won't sell.

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The sub frame is the most damaged part and on e-bay they go for $75 to $150. I gave $21 for my 03 RM250 swingarm and linkage with new bearing off e-bay, but no one bid against me. Most the time they run about $50 to $150. If the parts was mine I would cut a TT RM brother a deal and help them out.

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The sub frame is the most damaged part and on e-bay they go for $75 to $150. I gave $21 for my 03 RM250 swingarm and linkage with new bearing off e-bay, but no one bid against me. Most the time they run about $50 to $150. If the parts was mine I would cut a TT RM brother a deal and help them out.

Well if you run across any member needing 98' parts send them my way!:thumbsup:

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A while ago I put a 79' rm 125 engine in a 07' frame and it came out perfect.

off topic: I never saw the final product

so it rode?

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off topic: I never saw the final product

so it rode?

Yep it rode. It did quite a bit more than just riding too. I was impressed. I'll post some pics here a little later

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Keep your eyes open for a bit. I got a running 03 RM 250 for $800.

Now I'm disappointed you don't live in northern Illinois. haha

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i would suggest a cr500 engine in that rmz450 frame. maybe thats too much power for your liking :thumbsup:

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i would suggest a cr500 engine in that rmz450 frame. maybe thats too much power for your liking :thumbsup:

And WAY past my budget too haha

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I just wish I could put together a 05-08 RM 250 motor in a current RMZ frame. I think it would be a cool look and still good handling.

Why cant one of you fabricator junkies live close to me ....

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yeah dude get at least a 2000+ motor... 1990s engines way less performance than 2000s

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