This bike sounds amazing! Can’t wait to see the finished product with the rims, tires and graphics.
@danpoxon2425
Жыл бұрын
What a sweet machine! Love it just finished a full rebuild on a o3 kx 125 it’s the best feeling in the world first brake In on a machine you’ve fully rebuilt it’s like all the hard work an attention to detail has payed off
@dirtniron
Жыл бұрын
Congratulations Dan, great feeling for sure 👍
@ToonedInn
8 ай бұрын
I’m building a 05 rn next week sending out the frame for powder
@brianmorse8811
Жыл бұрын
Around 1980 I got my first bike a YZ 125. lost it in a barn fire a few years after, still miss that bike. I like seeing you guys rebuild these bikes.🤠👍
@dirtniron
Жыл бұрын
sorry to hear that Brian, that would be a nice barn find for a build ;)
@brianmorse8811
Жыл бұрын
@@dirtniron don't be, that place in my hart is not a hole it is a warm spot that doesn't need to be filled. Is full of joy and memories of Good times. 🥰😎👍
@kNx2k14
3 ай бұрын
just bought an yz250 1993, i cant wait to get it to its original 1993 state
@rearwheelslider
9 ай бұрын
Jetting on such a rich oil mixture! You should jet with the mix you’ll be using.
@tomnekuda3818
Жыл бұрын
Rado - when I was racing Husky's back in the day I would do just what you do except I would break it in, take it apart and touch up the rings and piston with stone to get perfect seal. I might do this a couple of times but it was worth it in the aircooled days because of cylinder distortion. The distortion is quite repeatable so the attention that I gave it was well worth it. After I seized a Husky 390 XC with new rings and piston, I learned to always do this. Where the piston was tight, the finish would get shiny and that is what I would gently stone down that piston area and the fit eventually would be nearly perfect. I always made absolute sure that I set the ring gap where I wanted it before going hard on it. I'm now 76 and doctors have basically banned me from riding. Just had my left knee put in and, apparently; the Doc set the specs right on it as I'm not having any real problems. It joins the happy family of two replaced shoulders, replaced right knee, and four back operations. They always frisk me in airports. I enjoy and live thru you guys. Crazy as ever, Tom P.S. Going to sneak a bike out.....rained last night...... P.P.S. Listening to the Yam, sounds like the jets are tending toward being correct.
@dirtniron
Жыл бұрын
haha, Tom you always crack me up! sounds like you knew your way around old school smokers, sometimes I wish I can be in that era of dirt biking for a while, golden era for sure. Did you consider side by side? age-cage.. that kind of thing, but still beats the couch! Take care my friend!
@tomnekuda3818
Жыл бұрын
@@dirtniron Rado - Age cage ain't for this boy.......always hated 4 wheels......just too many to keep any eye on!
@Jakeserragarage
4 ай бұрын
Sweet video. First new bike got me here always had used bikes so never thought of it. I’m just going to ride that thing how I ride.
@ShawnBlais
Жыл бұрын
Brake in, or Break In? Sorry, I don't like myself either :p
@DoeMan777
Жыл бұрын
Bike looks fantastic
@dirtniron
Жыл бұрын
thanks Marco, glad you like it!
@AdvSouthAfrica
Жыл бұрын
125cc is my favourite, they're so fun to play on!
@dirtniron
Жыл бұрын
most fun bikes for sure!
@gladegoodrich2297
Жыл бұрын
When I was young my brother told me something I've never forgotten. He said you love dirt bikes because your too dumb to fly jets. Not sure if he was right but at 77 years old, I still love my dirt bikes.🤗
@dirtniron
Жыл бұрын
haha, that sounds about right ;)
@rehepeks
2 ай бұрын
I fly jets but I still love dirt bikes.
@dormantmenace
Жыл бұрын
I have a old 86 yz 125. Was the boys first bike. I ran it down the road with gps the other day. That thing did 71 mph with 14/48 gearing lol im 225pnds they are 6 speed thoe
@dirtniron
Жыл бұрын
dude, thats fast! I think 86 year has the same colors, right?
@dormantmenace
Жыл бұрын
Ya just gold rims.. that look so good lol I think they were only like 26hp that year. But it's actually a blast to ride just got to work the transmission over real good lol. It had a 50t but it just ran our if gear so fast. Kinda small in the cockpit thoe. And very light and unplanted.
@derrickspells2264
Жыл бұрын
I’m rebuild a 1999 yz125 with original frame. I would love to recreate this also what was the recommendation from Tom Morgan on the main & pilot. Bike sounds amazing
@_WebersWorld
Жыл бұрын
Now get that wr going!!
@dirtniron
Жыл бұрын
yea, thats the plan!
@noControl556
3 ай бұрын
After a top end I do more of a "did I break it" than a "break in" as In I just want to make sure the thing works by riding around my house a bit before I load it up and haul it down to the trails. How much "heat cycling" do you think the mx guys during the 2 stroke era did when they were doing top ends between motos?
@TwoThreadsAhead
4 ай бұрын
Would 32:1 still make sense if someone was using regular unleaded pump gas ? Like a RON 95 on a stock head and piston ?
@zardportugal
Жыл бұрын
NO black rims which to me is the best look. Great build.
@dormantmenace
Жыл бұрын
All those late 80s red n white yz had gold rims thoe intill early 90s
@dirtniron
Жыл бұрын
I wanted to get gold rims but decided to go with black, will look decent ;)
@straighttimestirrups
Жыл бұрын
Break-In
@dirtniron
Жыл бұрын
I brake in my bikes tho ;)
@Jordan348_MX
11 ай бұрын
Do you mix the first tank pretty rich? I remember when I bought my YZ this year, they put break-in gas that had more oil. I was curious if its REALLY that big of deal on a new engine.
@dirtniron
11 ай бұрын
No, mix it same as always. 32:1
@Jordan348_MX
11 ай бұрын
Thanks! I've noticed that when I turn the gas off and let the fuel run out of the carb, just before it turns off, it revs really high and the RPM's shoot up before shutting off, my YZ250 does not do this. It's brand new and starts on the first kick, doesn't drip and pulls like a monster for a little 125. It came with the V-Force 4 system from Yamaha. Any reason to be overly worried about this?@@dirtniron
@ncopp4358
10 ай бұрын
@@Jordan348_MX Yeah, try not to do this on a two stroke. Its not great for the piston and bore. Dries the motor up and youll see piston ring and cylinder wear after you warm it up next time you want to start it. The reason why the RPM's Shoot up is because the fuel mixture is becoming leaner and leaner till the carb runs out. Lean conditions burn a lot hotter and faster, so the rpms will climb. If your bike is idling high and you cant really hear the individual piston strokes when idling, you gotta turn that in and richen it up but onyl after fully warming it up. Also if you want to drain the carb, do it manually. Dont let the motor dry up. You shave off possible hours before a rebuild doing that. Not good.
@bryanoliver5550
Жыл бұрын
The rebuilt sounds great after break-in runs , when will the first oil change be done ? I miss being on a good two-stroke bike .
@dirtniron
Жыл бұрын
glad you like it, probably couple hours
@goinhot9133
Жыл бұрын
Start it and rev immediately after starting it…. No, let it warm first.. then go ride it
@kautsarchannel9727
Жыл бұрын
hi rado greetings from indonesia , i'm who you emailed that i've build my own yz250x e start , i'm sory if i'm not repply your email , the bike i've sell it on january , now i have yz125x 2023 and i'm start to build e start for yz125x ..
@dirtniron
Жыл бұрын
hey brother, send me the video once you are done ;)
@kautsarchannel9727
Жыл бұрын
@@dirtniron sure rado , its better simple than the yz250x estart , i'll make sure to note the part so you can make 1 in your country ! 👍
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