Freshly Rebuilt Dirt Bike Won't Start
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- เผยแพร่เมื่อ 5 ก.พ. 2025
- This freshly rebuilt 1993 Suzuki RM125 won't start. Let's fix it. #Suzuki, #Dirtbike,
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The following video features activities performed in controlled environments by knowledgeable persons. DO NOT attempt to duplicate, re-create, or perform the same or similar activities at home, as personal injury or property damage may result. 2vintage( Joe Weber, the persons shown in this video and ANY CONTRIBUTOR, ARE NOT LIABLE FOR ANY such injury or damage. ALL 2vintage( Joe Weber) CONTENT IS FOR ENTERTAINMENT PURPOSES ONLY.
2vintage (Joe Weber) makes no representation about the sufficiency of any safety precautions and equipment used in this video.
I enjoy your videos, especially when you get stumped and have a tough time figuring out the problem. Seems like we learn more when the fix is harder! I also enjoy the fact that you take the 'victim' of the video out for a spin so we get to see it in action, then we know that you really did repair it
Great job on spotting that needle issue! Once again, as ever, your systematic and calm approach to chasing down the issues is informative and inspiring. Also, it's awesome that you post new content as often as you do! Really appreciate your channel!
you inspired me to rebuilt my recently bought dilapidated enduro125, its the only bike I can afford on marketplace😅 exhaust barely hanging with wires it has no braces at all, make one from alluminum, the owner said the front fork needs alignment coz it fights off during driving, found out the T post is just over tightly screwed 😊, done tune up, replaced it with new carb, and its good to go, I just need to replace sprockets to high speed, I can see people with their shiny new enduros, but I love mine❤ I make it and will make improvements, its good to have a bike that you know every bolts and nuts, more power to your channel😊
I can't believe it took you that many plugs before checking the carb. Good find
I'm yelling at the tv😂
It made me so mad lol just start with the carb
@@benmccune2802 Carb! Carb! Check the carb!!
Sometimes you’ve got to slow play it for the video. He knows.
@@stonepinper3183 riiiiigggghhhhttt
Great fix dude! The little things that cause the big problems are an absolute joy to find.😂
Fouled plugs become conductive to ground without jumping a gap. The carbon is the conductor😊
Joe, while you start your initial checks on the bikes, quads..you might want to start with the ignition/kill switch.
It could save a lot of time looking for starting problems, and may even save money on buying unnecessary wires, plugs..
I have 5 quads and lots of farm equipment, and can't tell you the money and time I've lost replacing unnecessary things, only to find out the problem was the ignition or kill switch!
Great video!
Allan in Columbia, SC
How do you know he didn't?
It's kinda obvious when it's just the switch.(depending on your ignition system I should add, the bike I am used to woking on uses a magneto ignition that needs nothing but rpms and a spark plug to work so forgive me if i forget that sometimes)
Disconnect the kill wire first, if you have spark theres no reason to replace the coil is there?
You put it back together and theres no spark O.o what's wrong with it?(ignoring the plug, I always just grab a new plug even if the one in it works, cheap insurance).
However, on some machines there is 500 other things in between which makes things harder.
But the switch is where most that taught me would say to start at that point.
I am a horrible teacher and my words sound a little harsh sometimes but I truly was just trying to help you here.
I haven't learned much without doing it wrong the first time anyway. (gotta know what not to do so I get it out of the way right off the bat)
@@NubsWithGuns , do you know for a fact that he did?
End of discussion.
He knows what he's doing.he does it his way.
@@jerrywilcox9890 Joe takes advice as he sees fit, and if you noticed my post, the first word is "Joe".
I'm not new here, and never in any of my hundreds of posts will you find me questioning Joe's skills as a mechanic.
@allan9603 I don't give a crap if you are new or old that means nothing lol.
Your knowledge on two strokes is really good jo your enthusiasm to get to the problem is admirable a 2vintage day is a good day top work Joe
When I was a kid and up into my early 20s, I could work on anything with confidence that I could fix it. And I usually did! I'm in my 50s now, poor eye sight, poor finger dexterity, pain all over my body, nearly tore my left thumb off the last time I went riding my KTM 450 with my nephew, in Oct 2018. Haven't had the confidence to finish the repairs to my bike or install the expensive upgrades. I spent a lot of money.🙄
After watching like 2yrs worth of your videos, I think I can easily get my KTM back on the trails. If neck, back, knees, ankles and messed up thumb will allow it. Lol
Thanks for such informative vids!!
P.S.
I might look old, but I can out ride my nephew and any of his friends. I look like a professional next to them.
I'll be watching!
Maybe get an 08 KTM 450 and do a complete rebuild on it and convert to street & trail. That'll give me a video to help me with mine. 😁
Yesssss my fav channel. We love your vids Joe and Vinny!!!!
Diagnostic videos are always my favorite. Good stuff
This has to be one of your top 5 videos of finding the solution to the problem. Great job!, great video!
Even though I'm kinda new to this channel, I must say you are one heck of a mechanic always starting were you should. I understand the. 393 subs
I see those numbers going up. Thanks for sharing
You are going to make the owner one happy camper! Great work covering all the bases as usual Joe!
I was thinking after the first fresh plug run then died,.I was getting tired watching you kick that machine, come on man pull the carb. Another great job
Hopefully this owner thanks you for fixing his bike. Good find with the metering needle.
Great video Joe, always enjoy the suzuki bikes man, they were my first real bike when i got older, having off brind 50s and 80s until i got a 1984 rm125. We ent thru the whole bike and it was an absolute dog until power band kicked in the was a rocket, was a really fun bike to ride, just had to clutch first a little.
Always a thumbs up on your videos man!
We used to call that “needle float” back in the day. People would make getting changes at the track and forget to put whatever holding piece back in or like with a round slide forget to put it back under the clip.
i love your videos and i was wondering what you do with all the biked you buy and fix do you resell them or do you keep them
Drop that carb needle down and it will get rid of the low end bog. The engine is getting too much gas too soon on start. A little bit means alot i think youll find. Experiment with each setting until you get the desired reaction. Could also be the saddle (the missing piece) is not seating properly.
I thought the needle adjustment only effects low/mid to mid/high rpm. The pilot effects low rpm, and main effects high rpm. No?
@@JoeTheBlacksmith13 the idle jet just keeps it running at idle. But if its the wrong size there can be a stumble between the transition. The needle starts to move immediately upon opening the throttle. Its amazing what a difference a small adjustment will make.
You can purchase polished/tapered needles for most machines that really make a difference. Often overlooked in the performance upgrades.
Petrol Head entertainment. So nice! I said from a few minutes in it was a needle and seat issue with carb flooding the motor. I'm so stoked I guessed it right. You're a good teacher for sure. Thank you. I miss my RM125.
Thank you so much for making such detailed videos like this! I’m currently troubleshooting a recent purchase I made of a 1993 kx80 with extremely similar symptoms. It would fire for a good bit, then bog and die, then not start for a good time and you had to let it sit for at least 15 min until it would go again. Plugs was always black and wet. I’ve cleaned the carb and adjusted the floats as well as checked my fuel system, but after seeing this I will be going through the carb much more thoroughly. Hope I just missed something
Amazing. As an amateur mechanic I could see the problem was with the carb. But I would have NEVER seen the problem like Joe did. I would have been stumped. Who would have thought the needle holster would be missing? Not me. Great video.
A good majority of people would swap out the carb and not look.
I for one would maybe not find something like that unless it was a model I had taken apart before.
I was yelling that it was the carburetor, but I guess he couldn't hear me LOL
Joe has one up on the rest of us...an extensive bike/carb library to look at! Then its a matter of playing the old sesame street game "one of these things is not like the other".@@NubsWithGuns
i have had the very thing happen to me after a carb clean on a tw200. i simply forgot to install that needle hold down. when you pulled slide out and i seen needle rattling all loose like i was yelling at screen to check that needle! nice job..
Love watching these videos makes me want to buy a project bike! Would like to see a video of you messing with the power valves so I could learn a little more about it.
Good thing u have a hoard of bikes to reference if shits missing ur a beast big guy nice work. And by the way I've never seen someone use so many blue shop towels in my life. They need to sponsor you
So enjoyable watching the problem solving process.
Love these videos man! Great and very knowledgeable for the younger mechanics
Love your videos ❤ its great when you have spare parts, make your life much easier
Brilliant video Joe watching from Edinburgh Scotland UK 🇬🇧 👏
got to love a good mystery and challenge. Thanks for letting me hang out in your shop today. love the content and the excellent camera work.
Bought a 07 cr85 done exactly the same thing the needle was bouncing freely same part was missing as soon as i seen it cut out like that I knew exactly what it was 😂 great vids buddy watching all the way from uk 👌🏼
You are the dirt bike whisperer. I love these videos.
awesome video as always 2vintage mate i still remember when i got my first 2 stroke it was a project and i was only 14 and it was a cr 250 and it needed a full rebuild and when i was at that id already been fixing motorbikes and cars as i started learning from when i was 8 years old with Honda vision and c90 i got that cheap from scrap yard near me and as the years went on i just loved fixing cars and motorbikes and i still do to this day i just love buying none runners and getting them running again the satisfaction of fixing them is what i love about doing it i've not long got another project CR 250 2001 i cant wait to get hat all sorted and rebuilding the engine :)
Great video, Joe! Excellent find on that jet needle moving around in the slide, explains the rich condition. Now go take it for a rip!
Hey is it joe,your my hero,i watch all yur vids,learn alot too,i have a question,it seems you always find the problem,did you ever come across one u couldnt?
Always look forward to your new videos ! This one was great 👍 Vinny was clearly stumped off the get go just like me! 😂
Good logical detective work there . Well done . You're an inspiration .
I still have the 94 rm 250 absolutely love it probably one of the easiest to work on bikes ive ever had. Also hammered the crap out of it and never had any gasket problems or explosions.
Same here I have a 94 kx250
Oh, it's a customers bike.
3.1/2 minutes in, just keep kicking and kicking coz yeah, bikes sometimes fix themselves if you keep kicking......
It sparks fine but keep wearing out the kick mechanism why dontcha.
However doing a plug check (you could go a touch leaner although is the carb needle back to stock now?) and re-testing compression was good practice.
Another nice job Joe. You really oughta think about getting yourself one of those cheap borescopes from HoboFreight so you can add reading "piston wash" to your repertoire of tuning. It's every bit as good as reading the plugs if not better. Also, when reading the plugs, you should hold it wide open heading towards your truck and shut the power off with the throttle wide-open until you roll to a stop. That will let you know how it's running at wide open throttle which is where these things tend to burn down. Anyway, read up on reading "piston wash" and get yourself one of the cheap borescopes from Hobo. A guy as meticulous as you would love to add that to your tuning techniques. I promise. 👍🏼👍🏼👍🏼
He's knows what he's doing 😂😂.
I know he does. Just figured I'd throw it out there. Believe me.... I'm a fan of his for sure.
Great job. Your diagnostics are excellent.
Your valve shimming talents kick ass b
Mechanic MD, well done figuring that one out sir!
Man now you know something else to look for! The rock under the rock😊
Great fix find! I love the Go Pro edit of the miss-shift exclusion, I wanted to rib ya... only cause we all miss second and im an ass looking for internet self gratification.
Love the channel, love how busy you keep... I cant imagine keeping that schedule, hope you get to take some time for the holidays!
A small power band adjustment can fix your bottom end bog. Some RMs like a full 1/2 to 3/4 turn of preload and others only like around 1/4 turn of preload.
Great mechanical skills every time. 👍
You do wonders on these machines!
Attention to detail is key I watch all your videos. If you ever get a chance do a Suzuki Vinson 500.
I’ve been binge watching your videos. Learned a lot from them. You seen to have a lot of fixable bikes in your area. Not so much down here. Hopefully I’ll have a project bike to work on soon.
Finally u uploaded a video i love watching u fixing 2 strokes
Sometimes its the simple thing that can have some people chasing their tail for days. Good job finding the issue
Waiting for the yz125 rebuild. Need some help on the valves. I took the valve cover off and it was absolutely full of oil. Would it be the valve seals?
New subscriber here - love your videos. Keep them on while I rebuild my own bikes :-) one question, what’s with the beeping in the left stereo channel every few seconds?
This was my first bike ever and I loved it! really reliable bike with a lot of power for a 125. They were built to last and dog the shit out of. I miss my rm125 93
That bike sure sounded happy after you fixed it, great job!
Love your videos mate. Massive respect from the UK 🇬🇧 👏
Good looking cycle. 2Vinny looks undecided about Suzuki. Looks like a fantastic time to ride.
He didn't buy it if you would listen.
He didn’t buy it. He’s fixing it for someone else.
@@jumpinjojo OPs, missed that part
39:47 Was the bad start a mistake? because i know that some RM 125s have clutch problems.
Good find Joe that needle clip!, but still lacks a lot of power when i see you riding it though??
Ive seen this needle issue on several bikes. The last time it happened I cut out a piece from a beer can that worked as a stop for the needle
Man you are a master of your craft!
What a nice find in the carb.
Great video. Always a learning moment.
Nice Job on this 1
thanks for the early upload, stuck in traffic 👍🏼
Joe, at the 2.00 mark are those giant snowballs in your little black trailer there?? 😂
😮😮 That was quite the repair. Luckily you had parts. Thought you would get into the carb sooner when it was fouling spark plugs. Enjoyable. 😊😊😊😊
Your a good role model brother thk you changed my life
You are an investigative genius with bikes
Nice job Joe!!!
Your dog is hilarious with a good attitude. Good find, with a shop you could have your own repair shop garage.
Just a shot out you have to be the hardest working guy on youtube. Your probably even doing your own editing. Pretty sure you put out the most actual TESL videos pretty much daily. So great work ethic my man. ❤
Joe, how about an update on all the bikes and stuff.
Learned to make sure the slide needle can't move up long ago, I called it in my head lol
i usually get a lighter and put over plug hole why starting just be careful its worked on me any small engine and do the plug the same with lighter warm the plug too this looks like carb or reeds problem
Loved Vinny's jump at the beginning.
I had a crf 250 that would occasionally flood itself , when your kicking it over if your worried it's overfueling turn the petcock off and keep kicking .. it it fires you know it's flooded alot quicker than taking all tbe plug out
I love ur videos man and your such a good mechanic its such a good money maker buying scrap shit and then selling them efter there fixed. Do u earn Much by doing buying and selling? And much love to u keep it up 👍❤️
Such
And today I learned something thank you 👍
What's with the coil wire ark on the frame @ 43:20 .. 🤷♂️ just a question
Nice work! 🎉
Dam such an easy fix. That had my head scratching
Dang. Hate the vin is scrubbed. Can it still be registered??
Why does he care it's not his bike he didn't buy it.
You kicked the bike over to test the radiator for bubbles
Would this be the same principle on a crf 250l
If I take the plug cap off and spin the bike over on the button
Nice video again
Joe, did you try riding the bike with the jet needle circle in the center position (richer than the setting when you received the bike)? Might give a little better performance where you've noticed the flat spot in the power curve.
Never a good thing when you put a bike back together and have parts left over. 😉
Great detective work Joe.
I have had low compression like that not atomize the fuel properly ... took a new cylinder to increase compression to atomize the fuel ... ran like a scalded dog after that! plug was prefect!
I love how you test out cdi 's and electrical components with a multi tester on the RAPTOR
What was sparking to the left of the guage at the end when you did the compression test?
Seemed to me it was reving up but not really throwing a rooster! Sure the clutch is good?
Great job Joe
Dirt bike videos the best!
helping out friends nice 😜 float in carb just watching
nice one well done vinnie im sure all mine were around 1 and three quarter on air screw
First thing to check on Suzuki is pick up coil or cdi box if everything else check out
Vinny is the man he tells u what u need to know lol
Bolt clip in slide needle.? 6mm Bolt?
love these videos think i watched them all
Great job joe!!🇺🇸👍🏻⭐️
Thank you for what you do. I have a mini bike myself that runs on and off and every time I see one of your videos it gives me new ideas on what to do to make it run. Mine has to be a carb issue, it bogs out and dies when I give it throttle and its a new engine.