2006 RM250 Shock questions

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11/18/2013 12:13 PM

I have a 2006 RM 250 that I have owned since new. I have done all the work on the bike myself, and have always enjoyed learning how to do new tasks while working on my bike. Unfortunately, the rear shock is in need of some work. I am pretty sure that it has a seal blown somewhere, although I cannot see any oil leaks, the shock bottoms out way too easily, and rides like a wagon! My question is, while I have the rear end apart (linkage and swingarm bearings) how hard of a task is it to rebuild the shock, and how hard would it be to revalve it as well? I have scoured ebay for a rebuild kit with no luck on finding one, the only parts I can find are oem on Motosport. Would it be more cost effective to send the parts to Race Tech, Factory Connection etc. or to do the rebuild myself? Thanks in Advance!

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11/18/2013 1:42 PM

If you have never done one before I would suggest sending it off to be done. You can just have it serviced or revalved. Just servicing will give you very good results and not all that expensive. Just for servicing I use Merge Racing in Oklahoma. They offer a very good price and quick turn around for shock service.

Paw Paw

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11/18/2013 5:35 PM

If you are going to dive into building the shock purchase all the correct tools along with the parts and have plenty of patience.

I recommend using stock Showa parts for the rebuild or an SKF Seal head. All of which are listed for purchase on the RideJBI.com website.

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11/18/2013 5:55 PM

send it to a shop dude, and do the forks as well

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DERRR MOTOCROSS!!

11/18/2013 7:25 PM

I did my '05 no problem. I just followed the directions in the owners reference manual. I had a friend charge it with nitrogen. It's a fairly easy deal. I did the forks too following the same book.

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11/18/2013 9:34 PM

I have been trying to add up the cost of parts/specialty tools this evening, and I believe that I can do both and save a few dollars, just how much I don't know. I love the ride of the stockers in the woods, but I am looking into dabbling into some MX next year. What all would I have to change to suit my weight (190 lbs.) on the track? I'm sure the springs, but what about the internals? Are the tools that I would have to buy interchangeable with KYB parts? If I can figure out how to do a shock job on this bike, then I can do another bike in the future if I buy one. I have considered buying a new 450, but I still love my 2 strokes! 06 RM 250 and 2 CR 500's an 89 and 01!

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11/18/2013 9:36 PM

edgo897 wrote:

I did my '05 no problem. I just followed the directions in the owners reference manual. I had a friend charge it with nitrogen. It's a fairly easy deal. I did the forks too following the same book.

I have used my manual many, many times over the course of the past 8 years! I keep mine handy at all times, lol

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11/19/2013 8:14 AM

I would send it to someone as mentioned.
If you are just going to change the oil and put in a fresh charge, that is one thing.

If you are going to put in a new oil seal or replace the seal head, you need to know what your doing.
If you are not careful taking the nut off the shaft, you can easily ruin it.

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11/19/2013 8:39 AM

mvan86 wrote:

I have been trying to add up the cost of parts/specialty tools this evening, and I believe that I can do both and save a few dollars, just how much I don't know. I love the ride of the stockers in the woods, but I am looking into dabbling into some MX next year. What all would I have to change to suit my weight (190 lbs.) on the track? I'm sure the springs, but what about the internals? Are the tools that I would have to buy interchangeable with KYB parts? If I can figure out how to do a shock job on this bike, then I can do another bike in the future if I buy one. I have considered buying a new 450, but I still love my 2 strokes! 06 RM 250 and 2 CR 500's an 89 and 01!

Damn, our garage must look pretty similar! I have an 06 RC edition and an 01 CR500. You might check around for local guys to do your revalve and service. I had someone who lived near me do mine and it was only $350 for the revalve and service front and rear. That did not include a spring change though since the stock springs were alright for me. I had previously done my forks myself, but was afraid to jump into doing the shock. Also, while they are in there, have them check the seals on the inner dampening rod in the forks. I have seen a few cases, including mine, where they begin leaking over time and it can damage the fork.

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11/19/2013 12:40 PM

They must look a lot alike, lol I just recently bought the 01 but I have had the 89 longer than I have my RM. I have strongly considered buying a new 450, but every time, I just tell myself I don't need it, I have enough power in the garage! My 06 is the stock version, are there any differences between the RC edition other than cosmetics?

Who would be the best shop to send my shock and forks to? I know Pro Circuit, Race Tech, etc. but I hate to have to give a small fortune just to redo my shock and forks. That is kind of the reason I do my own work anyway, lol $350 I would definitely pull the trigger on, but I just hate to give a grand when I could possibly do it myself!

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11/19/2013 5:36 PM

I think cosmetics are the only real difference, I just like to think it's faster!laughing For the fork and shock, ask around for some local guys who could do it rather than sending it off. Not that any of the big companies are a bad idea, it's just a lot cheaper to do things locally.

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Make Hillclimb Great Again

Ratbeach Racing

Instagram / YouTube: @485Josh

3dpmoto.com