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The TTR250 FAQ web pages -> TTR250 -> Modifications -> New Rear Shock Development.
Post Info TOPIC: New Rear Shock Development.
mikemikettr250bike


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New Rear Shock Development.
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I have been in contact with Hagon Shocks about them developing a rear shock for the TTR for a while now. Today I dropped my bike off for the work to begin. I will get it back in around 2 weeks and keep you all updated on how it goes.

 

 

thumbnail_20211109_113014.jpgthumbnail_20211109_112923.jpgthumbnail_20211109_113608.jpg

 

 



-- Edited by mikemikettr250bike on Tuesday 9th of November 2021 05:44:30 PM

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ttr steve


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Awesome, keep us posted smile



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mikemikettr250bike


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Update:
I picked up the bike this week. New development shock fitted.
I wont have time to do any test rides as I am in the middle of a house extension project. It does however feel a lot less spongy just sitting on it and from all of the positive posts about their shock on the CRF I am pretty sure it will be night and day.

It wont be ready for sale as an off the shelf shock until early next year but I will keep you posted when I know more.




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mikemikettr250bike


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20211127_114921.jpg20211127_114933.jpg20211127_114942.jpg20211127_115002.jpg20211127_115034.jpg20211127_115047.jpg20211127_115059.jpg20211127_115113 (1).jpg20211127_115530 (1).jpg20211127_115538.jpg20211127_115548.jpg20211127_115555.jpg



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ttr steve


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Any tech spec please?

Travel lenghth ?

Adjustments ?

Etc

 Edit bit

Cost would be nice to know smile



-- Edited by ttr steve on Sunday 28th of November 2021 01:53:11 PM

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mikemikettr250bike


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I will ask



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mikemikettr250bike


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The costs of our replacement units will be £340.00 inc vat and are built to each customers rider weight.

Featuring  spring preload adjustment ( via C spanner ) along with a single circuit compression / rebound damping facility also. 

Assembled with a stainless steel damper body and fitted with a Black powder coated spring, the shock has 110mm of travel.



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dlee22


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Hi Mike,

Sorry to jump in, don't mean to tread on your toes but as soon as I saw you mentioned Hagon a few weeks ago I emailed them separately.

They provided this reply:

"The costs of our replacement units will be £340.00 inc vat and would eb built to each customers rider weight. Featuring spring preload adjustment ( via C spanner ) along with a single circuit compression / rebound damping facility also.



Assembled with a stainless steel damper body and fitted with a Black powder coated spring, the shock has 110mm of travel"

 

I think the shock looks great, with 110mm travel I am unsure how that translates to actual rear wheel movement compared to the standard unit. Looking forward to here how it performs off-road!



-- Edited by dlee22 on Monday 29th of November 2021 11:55:36 AM

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Jeff B


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The blue TTR models have 105mm of travel.   The other important dimension is the overall length of the shock (upper mounting bolt centerline to lower mounting bolt centerline) which is about 450mm (17.73 inches) for the blue TTR models.

Rear Shock.JPG

shock length 2.jpg

 



-- Edited by Jeff B on Monday 29th of November 2021 01:53:35 PM

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mikemikettr250bike


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All good mate we will see how it goes.

Whilst I was happy that the original shock, it could manage to take me anywhere and I was pretty happy with it, however I found it couldn't cope if I opened up and rode hard. The back end would bounce up like a donkey and try and kick me off. I feel that this new one will cope much better. (it cant be worse!)

I have also just carried out a USD KYB open cartridge fork conversion so hopefully I am on the right track.



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dlee22


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Hi Mike, have you tested the Hagon shock out any more?

How did you manage the kyb conversation?

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mikemikettr250bike


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Hi,

Sorry still doing the house extension so not had much time to myself to do much testing.

I have been out on one ride so far. Reference the rear shock: night and day off road, so much better than stock. old shock would bounce back up quite hard, this one just keeps the bike level where it should be and soaks everything up.

reference the KYB forks. Yes I have done this. I had to change its springs for my weight though. I would say the bike looses some of the very gentle road manners and becomes like any modern enduro bike on the road sections.... a bit more bouncy and a bit skitish. I am at the moment trying to sort that part out with small changes. Off road however again night and day........ mega plush and soaks up everything just like a modern enduro does.



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mossproof


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Hijacking this thread :
I see YSS also do a replacement ttr rear shock, courtesy of Brook Suspension

www.brooksuspension.co.uk/motorcycle-motorbike-shock-absorbers/yss-shocks/yss-mz-series//yamaha-ttr250-l-le-yss-mz456-shock-absorber-99-04

Looks like there are options coming online. I would really like to see compression and rebound adjustment and a remote reservoir to make it equivalent to the stock Yamaha design, but beggars can't be choosers!

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Kaos


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mossproof wrote:

Hijacking this thread :
I see YSS also do a replacement ttr rear shock, courtesy of Brook Suspension

www.brooksuspension.co.uk/motorcycle-motorbike-shock-absorbers/yss-shocks/yss-mz-series//yamaha-ttr250-l-le-yss-mz456-shock-absorber-99-04

Looks like there are options coming online. I would really like to see compression and rebound adjustment and a remote reservoir to make it equivalent to the stock Yamaha design, but beggars can't be choosers!

 Wilburs do a high end shock with high speed and low speed compression and rebound damping. But about twice that price but can vouch it works really well.  

TTR wilburs.jpg



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ttr steve


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The brook suspension ones don't fit, I ordered 3 in for the shop and they were wrong.

Maybe best check with them 1st?



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mossproof


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My bad! I think you've mentioned that before Steve. Thanks for reminding me/us!

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mikemikettr250bike


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Yes I went down that route first. I double checked with them the actual measurements and they were way off. They did say that they would take the info down but hey they havent.

 

I must say though................ going back to the Hagon shock. I have really tested it now, it is night and day compared to the standard shock. I quite often go for it to re live my youth! and it can now handle everything that I can throw at it and not once has it caught me out.

It comes set to your weight so it is literally plug and play.

 



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timgsxr


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Hi, just bought a ttr, went to adjust rebound tonight, jammed solid, after gently freeing it off oil spewed out all over. I'd be keen to know the part no for the hagon shock so I can order.

Thanks

Tim

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dlee22


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Tim, send them an email as they get back to you quickly

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