2007 CR125

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10/10/2019 1:22 PM

Bought this bike back in 2010 with less than 5hrs on it. All stock down to the grips and tires. Since then the bike "only" has 51hrs on it. Pro Circuit for Motor and Suspension and little bits of goodies sprinkled around. Haven't ridden the bike in about a year so I wanted to break it down and clean/detail everything. Debating if I should do a top end or not.. Has 30hrs on it since the engine work. Would you guys replace the top end? Currently as it sits. Break down coming soon.









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10/10/2019 4:22 PM

yes 100% do a top end. to me 30 hrs is a lot on a top end, plus they are cheap and easy to do. cant wait to see this thing done.

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10/10/2019 4:29 PM

slamdmini wrote:

yes 100% do a top end. to me 30 hrs is a lot on a top end, plus they are cheap and easy to do. cant wait to see this thing done.

I don’t know man. I’d personally save the money to buy some shoes.

Kidding aside, yeah it’s probably time, but depends on if it’s ridden on a track, putting around in the woods, etc. Probably could use a ring at minimum.

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10/12/2019 8:28 PM

Tearing it down..







I hate taking these things off, such a pain!!









Pieces all laid out. Some pieces were already cleaned when I took this pic.



Factory Connection linkage is definitely my favorite piece on the bike


One of the motor mounts still looks brand new.. wow



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10/12/2019 8:41 PM

slamdmini wrote:

yes 100% do a top end. to me 30 hrs is a lot on a top end, plus they are cheap and easy to do. cant wait to see this thing done.

Yea, thinking about it now it's probably best to do it. Since having to tear it back down later would suck.

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10/13/2019 8:03 PM

Got the frame cleaned up as best as I could with the aluminum cleaner. Came out decent I think.

Before





After





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10/13/2019 9:45 PM

I had the same marks on my frame as you from the radiator shrouds digging into the frame while riding. I forgot where I saw it but taking strips of Velcro with glue on one side really helps protect the frame. It'll eventually wear all the way through believe it or not. Here's a pic for reference. Can't wait to see more of your bike.

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10/14/2019 12:09 PM

Yes, new piston kit for sure.
Check the ring gap and piston size on the old rings/piston and compare to what the manual says. If they are past the OEM specs, you know you went way past a service interval. Make sure the cylinder is not worn too much either.

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10/20/2019 7:03 PM
Edited Date/Time: 10/21/2019 11:24 AM

Cleaned up the frame again because I wasn’t really happy with it the first time. But now it’s looking clean! I love the sheen look.



Specbolt Nickel Wurks kit 👍🏻


Cleaned up the swingarm.

Before







After








Stock bolts vs Nickel Wurks bolts for swingarm







Some other bolts






Bolts on the triple clamps. Love how these look! Wonder if I can get new PC stickers..







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10/20/2019 9:16 PM

Looking good,what product did you use to clean the aluminum?

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10/21/2019 11:08 AM

Action69 wrote:

Looking good,what product did you use to clean the aluminum?

I think any aluminum type cleaner should work but this is the one I used. Cleaned with soap and water first then the aluminum cleaner after. This last time only took about 10-15 mins of scrubbing with a medium steel wool pad. The first time I probably spent around 20-25mins, so didn’t take too long.

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10/22/2019 9:59 AM

Wish I had some of those parts on my 07!

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10/22/2019 2:09 PM

They are all parts I have slowly acquired over the years! I still have a handful of stuff waiting to go on the bike once I put it all together.

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10/22/2019 8:44 PM

Hey Charles. Looking good on the refurbish. Let me know if you decide to sell that tiddler.

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Speak softly and carry a big stick.

10/23/2019 7:23 AM

What a beauty! I just sold my 06 cr125 a few months ago. One of the best turning bikes ive ever had. *sad face*

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10/24/2019 8:03 PM

Small Update. Got the carb and subframe cleaned up today.

Before... Probably needs new seals.




After. Feels so good when things are clean! haha






Subframe




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10/24/2019 11:52 PM

Wow that is an incredibly large amount of work for your questionable top-end work to take it apart and frame it like that is a lot of work for a bike that clean it's your bike and I'm sure it will look incredible when done. Look forward to the finished product

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10/25/2019 12:50 PM

Lightning78 wrote:

Wow that is an incredibly large amount of work for your questionable top-end work to take it apart and frame it like that is a lot of work for a bike that clean it's your bike and I'm sure it will look incredible when done. Look forward to the finished product

haha def a lot of work but enjoyable work! My plan (for now) is to clean/fix some things and leave it. I have another bike I am currently riding so this bike hardly gets ridden right now.

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1/12/2020 11:21 PM

Been trying to get this build finished but have been a little busy lately. Put the engine back in the frame w/o the top end (sounded/felt good last time I rode it), since I don't have any plans to ride this once it is finished.

Just going to install the parts I've had for a while and see what happens in the future. For now here are some pics.






My favorite piece





Specbolt bolts littered throughout the bike



Few OEM and few aftermarket plastics


TwinAir air filter cage


Full Hinson!


Carb booster pack 1000.. lol..







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1/13/2020 9:30 AM

Need to get you a Hinson Clutch cover to compliment the full Hinson inside!

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1/13/2020 4:41 PM

dylanv21 wrote:

Need to get you a Hinson Clutch cover to compliment the full Hinson inside!

If Hinson made it I would buy it, but they dont make clutch covers for the CR125..

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1/13/2020 6:53 PM

A little finer grit pad (white color) will smooth out swingarm and frame lines. Great job! Look forward to seeing the finished product.

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1/13/2020 7:35 PM

Can you clue me in to the carb breather hose bucket? That is trick! Curious.

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1/14/2020 8:30 AM

anyway you could post a pic of the steel wool pads you used for the swing arm?

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1/14/2020 8:48 AM

You don't plan to ride it when your done?

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1/14/2020 11:44 AM

What linkage is that?

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1/14/2020 10:37 PM

What is the “white color” grit pad you are talking about?

This is what I used to clean my frame/swingarm and subframe. Along with mag cleaner.


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1/14/2020 10:52 PM

The carb canister keeps the hoses out of the way and does nothing else. I hear it adds roughly 4-5hp but I haven’t felt it *kidding*

The linkage is Factory Connection.

For now, I’m having too much fun riding my rm250 that I don’t have too much interest to ride the 125. I’ll never sell it so I don’t mind it just sitting there for me to look at

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1/15/2020 12:29 AM

JohnCharlesC wrote:

What is the “white color” grit pad you are talking about?

This is what I used to clean my frame/swingarm and subframe. Along with mag cleaner.


Awesome, thanks! Did you ever strip the anodizing off the swing arm or will the mag wheel cleaner and steel wool with the red pad give me this look? I just picked up a 96’ cr250 and the only cleaning the swing arm ever got was probably a car wash wand

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1/15/2020 8:01 AM

That sounds pretty rough! My swing arm was already in pretty good shape so I didn’t strip the anodize. I first used water and soap to get the big dirt. Then lightly with the scuffing pad and then steel wool. I always scrubbed with the mag cleaner sprayed on (I think I used an overkill amount) and always in the direction of the grain. Also, only ever used microfiber clothes to clean and dry. Hope this helps and good luck with yours!

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