2005 Honda CR 125

dylanv21
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dylanv21 5/15/2020 9:21pm
5/15/2020 9:21pm
Looking great so far!

If you don’t have anyone to do the graphics yet, I would love to be apart of the project! HMU and follow me on IG! @hm_designs_moto

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NoMuff2Tuff
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NoMuff2Tuff 5/21/2020 10:31pm
5/21/2020 10:31pm
Nice looking build! They are without a doubt one of the best handling 125's ever made, I didn't think the motors were that bad stock, well yea they were LOL but they come alive with some simple mods. I had a PC pipe on mine and preferred the stock pipe even with all the other mods, about to try the FMF factory pipe. Good job on the build, gotta love a CR125
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JMCR250
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JMCR250 5/22/2020 11:53am
5/22/2020 11:53am
We have an '07, and it is one of the best-handling MX bikes I've ridden. With sorted-out jetting (stock is ridiculously off) and a PC pipe/shorty silencer, it runs very well and will easily keep up with other 125s of its era (and later). We used a JD jetting kit on ours, and with minor fiddling got it to run perfectly.
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seth505
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seth505 5/26/2020 11:05am
5/26/2020 11:05am
Thanks for the kind words. As I mentioned a lot of this was delayed/postponed due to becoming a parent haha.

Waiting on the cylinder from Millennium and I need to build up the new rear wheel, then I'll finally be close to firing her up.
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The Shop

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TC125
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TC125 5/26/2020 2:27pm
5/26/2020 2:27pm
I have an '07 which I bought in '08 (I think) and it has been a great bike! I bought a '17 TC125 this spring and it's the first bike I have ridden that corners as well as the Honda, plus it has more power Smile
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BToz
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BToz 5/26/2020 6:12pm
5/26/2020 6:12pm
TC125 wrote:
I have an '07 which I bought in '08 (I think) and it has been a great bike! I bought a '17 TC125 this spring and...
I have an '07 which I bought in '08 (I think) and it has been a great bike! I bought a '17 TC125 this spring and it's the first bike I have ridden that corners as well as the Honda, plus it has more power Smile
Tell me about the TC! I'm thinking about buying a new one. I’m 6’ about 175lbs
TC125
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TC125 5/26/2020 7:13pm
5/26/2020 7:13pm Edited Date/Time 5/26/2020 7:14pm
Really digging the TC so far, even the air forks! Air filter is an awesome setup, power is good, handling is great, hydro clutch is sweet, not sure what else to say. I've been a Honda guy all my life (have a first year CR125 and a last year) but the Husky is darn good. I'm 165lbs and 6' if that helps
BToz
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BToz 5/26/2020 8:24pm
5/26/2020 8:24pm
TC125 wrote:
Really digging the TC so far, even the air forks! Air filter is an awesome setup, power is good, handling is great, hydro clutch is sweet...
Really digging the TC so far, even the air forks! Air filter is an awesome setup, power is good, handling is great, hydro clutch is sweet, not sure what else to say. I've been a Honda guy all my life (have a first year CR125 and a last year) but the Husky is darn good. I'm 165lbs and 6' if that helps
Nice! Thanks that does help. I have a few bikes but was looking at the TC 125 and ktm 150. I would like a super light bike I can modify. I don’t (and won’t really) know how I feel about the suspension until I ride one but I’m thinking that would be first to go. Thanks I appreciate your time and input!
seth505
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seth505 5/27/2020 1:32pm
5/27/2020 1:32pm
TC125 wrote:
Really digging the TC so far, even the air forks! Air filter is an awesome setup, power is good, handling is great, hydro clutch is sweet...
Really digging the TC so far, even the air forks! Air filter is an awesome setup, power is good, handling is great, hydro clutch is sweet, not sure what else to say. I've been a Honda guy all my life (have a first year CR125 and a last year) but the Husky is darn good. I'm 165lbs and 6' if that helps
BToz wrote:
Nice! Thanks that does help. I have a few bikes but was looking at the TC 125 and ktm 150. I would like a super light...
Nice! Thanks that does help. I have a few bikes but was looking at the TC 125 and ktm 150. I would like a super light bike I can modify. I don’t (and won’t really) know how I feel about the suspension until I ride one but I’m thinking that would be first to go. Thanks I appreciate your time and input!
I have a few KTMs as well and am actually a fan of the AER48 air forks on my 250sx. I weigh 150 and am 5'8". I feel like in general, heavier people have a hard time with them and getting them setup to work well.
1
seth505
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seth505 6/8/2020 1:57pm
6/8/2020 1:57pm
Got an email a week back from Millennium letting me know my cylinder was delayed. Hard to complain when I’ve taken my sweet ass time tending to this build. Anyway, it showed up today and Looks perfecto! Once I assemble the powervalve and bolt everything up it’ll technically be ready to run.





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seth505
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seth505 6/10/2020 7:10am
6/10/2020 7:10am
Got the motor back together finally, that feels good 🤘




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BToz
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BToz 6/29/2020 11:40am
6/29/2020 11:40am
I’m hoping for an update? Where are at with this???? Thanks
seth505
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seth505 6/29/2020 4:53pm
6/29/2020 4:53pm
BToz wrote:
I’m hoping for an update? Where are at with this???? Thanks
Not much unfortunately! When I bought this I was planning to put most of my extra time toward it and I did for a while. Life threw us a baby girl which we had in April and this year has been generally crazy (for everyone) to say the least.

Bike is mostly done other than getting the swing arm and rear wheel on. The only thing really holding it up is putting more hours in to recondition the swing arm properly. It has scratches and a few gouges that don't look good.
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BToz
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BToz 6/29/2020 7:42pm
6/29/2020 7:42pm
Yeah I get it, probably hard to just spend a quick 5-7 hrs in the garage without anyone noticing. My swing arm was ugly so I smoothed it out the best I could then painted it. That won’t work for your build. Well update when you get it all together!
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seth505
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seth505 7/12/2020 3:04pm
7/12/2020 3:04pm Edited Date/Time 7/12/2020 3:15pm
Some actual progress today.





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TunaBro
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TunaBro 7/13/2020 4:05pm
7/13/2020 4:05pm Edited Date/Time 7/13/2020 4:05pm
seth505 wrote:
Got the motor back together finally, that feels good 🤘 [img]https://p.vitalmx.com/photos/forums/2020/06/10/431864/s1200_44B1EFE0_E0CE_4D12_A8D4_D95C11BB524D.jpg[/img] [img]https://p.vitalmx.com/photos/forums/2020/06/10/431865/s1200_45E5AA62_7EB7_4B6B_A728_25FD4DC2F388.jpg[/img] [img]https://p.vitalmx.com/photos/forums/2020/06/10/431863/s1200_92C7FCB4_F952_467E_8187_E291E1D979CA.jpg[/img]
Got the motor back together finally, that feels good 🤘




Nice work!

I'm dreading this part on my build... Unsure
2
seth505
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seth505 7/14/2020 6:29am
7/14/2020 6:29am
TunaBro wrote:
Nice work!

I'm dreading this part on my build... Unsure
Take a trip down here to So Cal, we'll button her up!Grinning
2
seth505
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seth505 7/16/2020 7:00am
7/16/2020 7:00am
Pretty pumped, this was the quickest wheel build/true/mount I’ve ever done and didn’t even get a scratch on the new black hoops!


7

Pit Row

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Rickyisms 7/16/2020 9:11am
7/16/2020 9:11am
I am debating tearing down my wheels on a KTM to powdercoat the hubs and redo the spokes and nipples, how hard is it to build wheels given I have the proper equipment?
TunaBro
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TunaBro 7/16/2020 9:22am
7/16/2020 9:22am
seth505 wrote:
Take a trip down here to So Cal, we'll button her up!Grinning
Oh man! That would be rad. Grinning
seth505
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seth505 7/16/2020 9:48am
7/16/2020 9:48am
Rickyisms wrote:
I am debating tearing down my wheels on a KTM to powdercoat the hubs and redo the spokes and nipples, how hard is it to build...
I am debating tearing down my wheels on a KTM to powdercoat the hubs and redo the spokes and nipples, how hard is it to build wheels given I have the proper equipment?
Personally, I think it's way easier than a bicycle wheel. Assuming your rim is new/perfectly round and spokes/nipples are new then it goes together very well if you have patience. The assembly is so stout that if you take your time, it should be VERY close to no hops or wobbles when you're ready to do the final true and set spoke tension.

Pick a side and do inner spokes, then outer spokes, then flip and do the same for the other side. Then tighten every single nipple the same depth (still finger lose), then start with the process of tension on the spokes, skipping 3 spokes so as you go around the wheel your tightening a left spoke, then a right spoke, then a left, and so on. I start to look at any hops or wobbles after all the spokes have some tension on them.
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SmokinJoe439
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SmokinJoe439 7/16/2020 9:52am
7/16/2020 9:52am
Sweet bike this is my friend's 06 cr125/139. A few years ago he decided to make it like his 06 cr250 he did a similar build on. It's in a 2010 crf250r chassis now.


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seth505
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seth505 3/10/2021 11:25am
3/10/2021 11:25am
Still using the excuse of my kiddo for not finishing this but I also got a new bike that I wanted to ride and mess with haha.

So I put the newer CRF front end on the bike and used 2020 CRF plate/fender/fork guards. I'm not a fan of the full restyled plastics set but had the intention of mixing new and throwback in a (hopefully) tasteful way. That said, I went with these minimal graphics. 1) to be a bit of a throw back and 2) I'm going to end up selling the bike rather than keep it forever like I originally planned. So taking these off and still having brand new plastics will be easy for someone if they hate the look.






14
SeaClassExpert 3/10/2021 12:46pm
3/10/2021 12:46pm
Seth, where do you source those drilled out washers?
seth505
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seth505 3/10/2021 3:25pm
3/10/2021 3:25pm
SeaClassExpert wrote:
Seth, where do you source those drilled out washers?
I've gotten them from motostuff.com and also in bolt fastener kits, something like this

5
Chance1216
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Chance1216 3/12/2021 5:51am
3/12/2021 5:51am
That’s a clean, simple, yet tasteful look for that bike man.
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profeshenal125 3/15/2021 11:33pm
3/15/2021 11:33pm
seth505 wrote:
Still using the excuse of my kiddo for not finishing this but I also got a new bike that I wanted to ride and mess with...
Still using the excuse of my kiddo for not finishing this but I also got a new bike that I wanted to ride and mess with haha.

So I put the newer CRF front end on the bike and used 2020 CRF plate/fender/fork guards. I'm not a fan of the full restyled plastics set but had the intention of mixing new and throwback in a (hopefully) tasteful way. That said, I went with these minimal graphics. 1) to be a bit of a throw back and 2) I'm going to end up selling the bike rather than keep it forever like I originally planned. So taking these off and still having brand new plastics will be easy for someone if they hate the look.






Super sharp cr125. 03 kx125 hgs budd pipe, off idle snap into a much stronger mid range with more top end ovr rev. Had Rad valve and a icat- quicker snap, helps with jetting a little. I dented the inside of pipe to clear the radiator hose on the 04, a 05 does hv that hose. Tried a 04 pc pipe on the 06 also, low to mid super quick then a quick drop no ovr rev. Could do a 3rd gear start, and I,m 175 . Guy Cooper rides a 05 cr125
5
seth505
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seth505 4/13/2021 10:14am
4/13/2021 10:14am
Took me FOREVER, but I finally refinished the rear spring. No way I was going to put the ugly yellow spring back on there. With that done, I could actually button up the rear of the bike and put fuel/oil in! Rolled her out of the garage, gave 3 kicks and she fired up. What a relief after sitting for so long after the engine build and never actually trying it.





10
seth505
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seth505 4/24/2021 11:49am
4/24/2021 11:49am Edited Date/Time 4/24/2021 12:00pm
Donezo. Got the carb dialed in and she’s purring! For underpowered bikes, I love how throaty these Honda 125s are.













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Rickyisms 4/24/2021 12:56pm
4/24/2021 12:56pm
That's one good looking motorcycle. Nice job Seth.
1

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