2004 CR125 suspension

Flowdaddy
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Flowdaddy
So I picked up a 04 CR125 in the spring for my first bike, over the winter I plan on doing a restore/ rebuild on it since the shock and forks leaks, rear wheel is bent and other various issues.I will most likely be sending the suspension of to get revalved. Bike is also 70/30 trail/track time. Anyways..so I think I'm going to swap in some 47mm TC showas from a 250, is there any benefit to changing out the shock as well to something different? Also what year forks will fit my bike?
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m21racing
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m21racing 8/21/2018 6:45pm
8/21/2018 6:45pm
The 04 stuff can tune pretty well. Some of the best oc forks that were made. Some sub tanks and good valving can make the bike pretty good.
mx621
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mx621 8/27/2018 4:36pm
8/27/2018 4:36pm
I’m running 47mm tc showas, stock Kyb shock valved/sprung by FC on my 02 cr125. Works really good.

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JH911
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Wenatchee, WA US
JH911 9/5/2018 10:34am
9/5/2018 10:34am
The stock suspension on the 2002-2004 was actually valved really well. Most suspension shops in the NW at the time would just recommend proper springs, adjusting oil height per rider preference, setting sag, set clickers and go. The Showa TC in theory is a more advanced fork, but swapping onto the CR125 adds a lil weight......not much, but will also require more tuning, valving, and springs to work better than the stock stuff. Just my .02.
mx621
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mx621 9/5/2018 12:00pm
9/5/2018 12:00pm
JH911 wrote:
The stock suspension on the 2002-2004 was actually valved really well. Most suspension shops in the NW at the time would just recommend proper springs, adjusting...
The stock suspension on the 2002-2004 was actually valved really well. Most suspension shops in the NW at the time would just recommend proper springs, adjusting oil height per rider preference, setting sag, set clickers and go. The Showa TC in theory is a more advanced fork, but swapping onto the CR125 adds a lil weight......not much, but will also require more tuning, valving, and springs to work better than the stock stuff. Just my .02.
I agree the stock stuff is pretty good for stock. I was only considering swapping to the showa TC forks until factory connection convinced me that they would be a better choice vs the stock kyb forks. I found my showa forks on eBay for 180$ shipped from a 03 CRF450 parts bike.
profeshenal125 4/26/2022 11:16am
4/26/2022 11:16am
m21racing wrote:
The 04 stuff can tune pretty well. Some of the best oc forks that were made. Some sub tanks and good valving can make the bike...
The 04 stuff can tune pretty well. Some of the best oc forks that were made. Some sub tanks and good valving can make the bike pretty good.
Sun tanks what do they exactly do ? I need my 04 suspension rebuilt and revalved. I had FC revalve my 04 cr125 mod bike , had it setup for whoops. It worked great in the whoops. Do ya think FC has the best re valving for cr125,s ? With all there testing they did when they raced cr125,s. I would think they would have more settings. What do you guys think ?
m21racing
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m21racing 4/26/2022 11:26am
4/26/2022 11:26am
m21racing wrote:
The 04 stuff can tune pretty well. Some of the best oc forks that were made. Some sub tanks and good valving can make the bike...
The 04 stuff can tune pretty well. Some of the best oc forks that were made. Some sub tanks and good valving can make the bike pretty good.
profeshenal125 wrote:
Sun tanks what do they exactly do ? I need my 04 suspension rebuilt and revalved. I had FC revalve my 04 cr125 mod bike...
Sun tanks what do they exactly do ? I need my 04 suspension rebuilt and revalved. I had FC revalve my 04 cr125 mod bike , had it setup for whoops. It worked great in the whoops. Do ya think FC has the best re valving for cr125,s ? With all there testing they did when they raced cr125,s. I would think they would have more settings. What do you guys think ?
Sub tanks add more air space. They can be adjusted, at least the enzo versions can be. I would look at enzo and fc to see if this mod is still readily available.
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Rickyisms
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Rickyisms 4/26/2022 1:52pm
4/26/2022 1:52pm
Subtanks were one of the trickiest things on Factory two strokes to me. Especially the all carbon ones that YOT ran I believe.
1
Travis610 4/27/2022 7:14am
4/27/2022 7:14am
I used gold valves in the '07 CR125 I had with really good results. They likely aren't the same level as some suspension shops but wasn't looking for anything else from the suspension after they were installed either. Pretty sure I remember the forks would bottom hard originally on big hits, the gold valve setup made the forks a little more plush and seemed to eliminate that wrist shocking bottom out. Didn't notice as big of a difference with the shock
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