No Spark on $150 Locked-Up Barn Find "Dirt Bike." Will It Run? (Part 3)

I buy a new ignition coil for the $150 locked up dirt bike (dt250) and attempt to start it for the first time. Will this old motorcycle run for the first time in years? #Yamaha, #Vintage, #250cc,
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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.
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[@2vintage]

So what do you guys think? Please SUBSCRIBE and LIKE the video if you enjoyed! It really helps me out a lot! Check out the Instagram: 2_vintage_ Thank you for all the support!

[@nathanpalmer2086]

I woud say its deffinitly the stator get a new one dude .

[@bradleyflood5437]

New stator

[@jonmelvin5682]

I think your points are grounded

[@broganmcnamara4192]

Go look at some diagrams, CMS has them and they’ve got parts too. Stator is probably dead my guy.

[@erikvandijk1195]

Couple months ago i had the same issue with a different bike, turn out that the guy had change his points and he forgot a tiny plastic washer between the wire from the points to the condensor. The bike come to me with also no spark

[@briank6894]

Hey! You basically found the problem without even knowing it.. The one section of the stator where the copper windings go around the core that bolts to the stator plate is likely your problem.. The copper windings likely have shorted to the core that bolts to the stator plate.. You can test this by removing that section from the stator plate and test with you meter. Ground one lead of your meter to the core and the other lead to the wire that connects to the copper windings.. If you get a beep or a short with that test then you know that the copper windings have shorted to the core.. Hopefully that makes sense.. Theres two stator sections.. One is for charging and one is for ignition.. The one closer to the front of the bike as your facing it is for ignition.. One towards the back is for charging.. You can also do a resistance test and see what you get.. But my bet is the the windings have shorted to the core.. Good luck! You vids have come along ways.. Nice job!

[@peterimmington549]

Brian K exactly.

[@abcanimal]

Never even though about that but yeah if its shorted, no spark.

[@benshore7357]

You could swap the wire going to the windings . Use the one for the lighting circuit on ignition. My .02 worth

[@backyardbangers1012]

Exactly!

[@dancando6391]

Is this a common failure? I would have never thought of that. Could you unwind it and put a new insulator on it and rewind it? If parts are unavailable or just for testing purposes?

[@ianallen2]

When you replaced the coil and kicking it over and not getting a spark, I was thinking it has to be the ground. Well done for checking and spotting the problem. Electrics are difficult on vehicles and hard to diagnose. I know it lowers your belief in the bike, but hang on in there and you will have a good bike at the end.

[@snurre5031]

Got sooo hyped when i saw u uploaded

[@user-wj9xq7ig2v]

You're a machine man. Nothing like wrenching on a machine in the freezing. Everything hurts way more when you bang your hand on something. This is dedication!

[@paulstyring1015]

Looks like the whole of the points are grounding out.Should be some form of insulating plastic washer/cap where the single wire connects to the points.I would also replace the points and condenser .

[@jessemurray1757]

i was thinking the same thing. That or on the points.

[@paulmillson9204]

thats the problem have made the same mistake my self

[@tecTitus]

You are nearly there. Don't give up on it! The wire going around the core have some very thin insulator, otherwise you end up with is a coil with just one turn of wire. Enameled wire if I recall correctly. My best bet is that the insulator is worn down, and shorting the circuit. I only have experience in the area from brushless motors. The concept is the same, only in reverse. Rewiring brushless motors is not hard, it shouldn't be any different here. Certainly saves a lot of money and is a nice skill to have. Another concern I had watching this, is how wet it's inside the flywheel area.

[@jasonpaupst9771]

Really need a good burning wood stove in that shop

[@xGrAnTuRiSmOx1]

its a house garage..

[@jasonpaupst9771]

Not sure what the laws are in that area but as long as the garage isn't attached to the house you could run a wood stove

[@lunchbox2784]

@Ram The Man Or you could just do it anyway. It’s not like building officials are hiding in the bushes. You could even build a “mobile” wood stove that you partially disassemble and store away when not in use. Have the chimney go through a window or doorway. Just make sure the combustibles are stored outside.

[@M.TTT.]

@@jasonpaupst9771 yeah or a cheap used kerosene heater or two, got one for 10 bucks, but doesn't throw off nearly as much as a good wood stove.

[@marcelcanuck]

give it time he's still a young buck , once he gets a few arthritic joints in him he'll get a good heat scores ...haha

[@brucesizemore739]

Change points and condenser. Dont give up on it. Your close to figuring it out.

[@mikescott6647]

Agreed, my favorite part to watch is the challenge

[@mikescott6647]

And then the hard fought victory

[@Libertymongoose420]

That's what I've been saying since part one hopefully he will idk why he didn't yet

[@michaelholt1929]

I agree the thing has been sitting it does seem to be grounded out or the points are bad go ahead and replace them and see if it works

[@colinculverwell325]

You could be nearly there with solving the issue. Check the windings on the source coil are not shorting to earth (ground). Also points have small fibre insulation that the moving part of the points run on. If these wear they can short. You didn't need to take the top end off to pull the fly wheel. Impact gun to remove the nut and stop the fly wheel from moving using a spanner on the puller. Good luck.

[@boomer0534]

Keep em coming Brother! Absolutely Love the Vids! Don't Stop!

[@peterp.6249]

Instead of removing the jug and bracing the connecting rod you can pop out the plug and jam rope or paracord down inside. It will stop the piston without damage.

[@that_400ex_guy7]

You have thought me so many things about working on machines that I thought I’d never need but now that I’m starting to work on my own I need most of what you explain. And I also enjoy learning which I didn’t even know was possible.

[@eugenesbackyardrepair4593]

Heres tip to remove next fly wheel without removing head. 3 word visegrip chain wrench. Would lock around fly wheel so can put up against peg to hold it. I've done it lots of times.

[@cheeseeater1349]

Hell of a deal you stole it she deserves to get restored True classic there for u keep it going 💯💪🏿

[@jmooney2880]

You’ll get it figured out I’m sure. Love your videos dude!

[@matth5552]

this bike was my first true love had a 77, i hope you can restore that old girl she could be a museum piece, just saying but when i was a kid i had to replace the points all the time sanding them would prolong but not for long i remember every time i went mudding with it i would have this problem also be sure they are set the correct distance apart upon opening good luck buddy fingers crossed for ya

[@robertharkness163]

Try taking the points off the stator and testing them with your meter. As someone else said the hinged part should be isolated from the fixed part. So one led to the body and the other to the wire points open you should have no continuity and if you do the nylon isolater must be buggered. 👍 Keep going bud wish I had your enthusiasm to get out and do some of my own projects!

[@raleighconquest6504]

We work on old hit&mis motors and old Maytag motors and on most of them you have to isolate the points and stator from the frame we use gaskit material and small neopreme washers or in cases have used faucet washers just anything to isolate them from the frame

[@danielgordon7727]

Change the condenser

[@Bittydog1956]

I used to push rope in the cylinder through the spark plug hole to stop the piston keep the piston above the ports it worked fine. Saves taken off the head. 👍🦦

[@Leon-vp3vb]

Reach out to mustie1, master of fixing old-school rust bucket junks.

[@LiveCosmicMartian]

I friggin love @mustie1

[@2vintage]

I watch all his videos!

[@notjoecheez1]

@@2vintage yeah mustie1 is a master at points, well he’s basically a master at it all. Definitely reach out to him

[@johnwoods3061]

"Hey guys and how's it going?"

[@bubbie3533]

@@johnwoods3061 "Thanks for hanging out and watching me wrench on rusty junk."

[@jes.8314]

I always found some soft rope and put it down the spark plug hole to lock up the motor. When done just pull the rope out. I never had a issue

[@thomashaas2929]

Yup rope in plug hole. Don't disassemble top end.

[@skyb8687]

Huh mind blown genius never thought of that.thanks

[@robertharkness163]

Works for me most of the time. Starter cord is ideal.

[@jes.8314]

@@robertharkness163 yes sir! Starter cord.. pull rope is perfect

[@RealDadOfAmerica]

Same for doing valve springs on a old v8

[@abcanimal]

Keep at it brother. You got this!

[@bobbymckinney1264]

Good video I'm having spark issues with my gz250 street bike also I feel your pain buddy,good luck I know you'll get it

[@chrisjones7869]

Sometimes you just have to walk away from it for awhile. Good job. I would have blew an o ring after the new coil didn't work, filled the tank with tanerite, and sent it to the moon. Great patience man. God bless

[@2vintage]

Hahah i was getting close to doing that

[@jethro83100]

Do not give up my brother. Love the channel

[@jestingravely2922]

Dang and I was whining about it being 15 degrees here lol I been looking forward to this video thank you for the content

[@edwardweisenburg16]

I had a similar situation where the previous owner totally submerged the vehicle while it was running. Energy electrical component was shorted out. Sometimes you just have to throw a bunch of parts at it. Replace the points and coil and stater. Good luck bro. Love your content.

[@noahspyroandotherthings6181]

I love your channel keep doing the things you do I learn so much and you always get me to come back to watch your videos

[@Coltonm8994]

Great video as always

[@ryanjones1211]

Hey bud, they sell a Mr. Heater for a propane tank. Works great with a fan behind it. We got a two face heater and it heats up our 2 car garage wonderful. Very well worth the investment

[@stopibeastin7196]

Let’s go bro never new it was stater and coil for fire

[@thebenthermit4067]

I think that you took the "learning" route of figuring out what happens when a condenser goes bad

[@wingsofrelipton9245]

2vintage that cylinder gasket is OEM bro lol

[@elservisBlaz]

Bravo majstore svaka čast Pratim te samo nastavi

[@ke0qe]

Hmm, I am having the same problem. Thanks to your hard work I now have an understanding of where to begin. The pulley puller is now my challenge. Charles

[@Stephen033]

After you get this bike figured out, it would be really cool to watch you do a build series on a 1998 350 warrior and put a 2005 350 raptor engine in it, all you gotta do is get a stator from a warrior engine. You can find a 98 or so warrior with no engine for really cheap, it would be cool to see you build one. I miss my 98 Warrior, I wish I wouldn't have ever got rid of it a long time ago but I had to cause I was in a bad car wreck and I had to sell it to pay bills. But it's all good lol, gotta do what I gotta do I guess lol. Hope you are havin a great and blessed day. Hope you are stayin warm up there. It's cold here in northern Indiana.

[@rustbucketrevival3186]

Sweet bike man 👍👍👍

[@BIKERDUDE240]

Don't give up! you can do it!

[@roryrice8742]

My 78 DT 250 got submerged in river water and has no spark. I hope you figure it out so I can get mine going.

[@stevehill4615]

As others have posted it appears the ignition stator coil is "shorting" to ground, have you considered maybe the stator coils are "wet" within the windings which is causing the problem (from your earlier vids you suspected the generator had been full of water) which you might be able to solve by taking the stator assembly off and putting in a low temp. oven (I wouldn't go hotter than 50 C° for fear of melting insulation) for a few hours to drive any moisture from the stator assembly and try that as a cheap way of maybe solving the problem.

[@HEAVYMETALJSTYLES]

Yeah man, had exactly the same issue on my ts 400, resoldered all the wires, no spark, new coil no spark, the cap was faulty, replaced that no spark, the plug was also faulty, replaced that no spark, then just replaced the lead wires completely resoldered again, then got spark. Persistence bro good luck!

[@JeffPutchinski]

How far you have come, young man......Congrats

[@johnnyjohnson5361]

I ran into the same problem on a boat motor with points. The condenser wire was grounding out to the body of the distributor. Who ever replaced the points and condenser pinched the wire shorting out both of them. So I replaced with new points and condenser and the boat fired right up.

[@kernelbadness]

Ohm stator and coil to see if they are in spec. Clean points with sand paper.

[@Skubadav69]

Try replacing the points and condenser your almost there don’t give up man you got this!

[@milesmerwin2247]

If your condenser is shorted out, you would have constant continuity. Disconnect the condenser and see if the problem goes away and then replace it if it does.

[@978twostrokegarage2]

😎🤙🏻morning Joe

[@2008greiner]

The points are self isolating if you remove wire from points and check the points without anything hooked up if it don't disconnect it the shaft on the points shorting

[@Bullwinkle39]

This is the line I was thinking, check the isolators are there and working

[@jamieelliott5205]

You will get there mate

[@tylercapece138]

I'd say the stator is shot. If it's anything like a Polaris, they throw all kinds of fits when they short out.

[@benjaminthethird1261]

Me and my dad watch your videos all the time and he just bought me a 2003 Yamaha yz250 for my 14th birthday and we just finished rebuilding the engine

[@skyb8687]

Joe I've been watching your channel since day 1,love the content and appreciate the effort in making each one,but please take the advice of a fan and fellow bike guy,plz just go to a pawn shop and invest in a kerosene shop heater and use the work bench.you will get sick doing things in the freezer. Also working in the cold burns you out on this stuff,because things don't work as well at negative 30.you are young and your knees and back feel fine now but its kinda like not running a engine without oil ,its doing damage breh

[@downsouth701]

Sounds like somebody removed killed switch which is causing system to ground out all the time

[@user-vm4ye6qo9h]

nice video man youre awesome :D

[@activelygaming1786]

Love your videos i learn alout

[@dubaitacker6347]

dude you need to buy a nylon locking plug, they thread dont the sparkplug hole to stop piston travel so you can remove clutches

[@kalenhenrickson2994]

You should buy a few snowmobiles to fix up again !!!

[@bradymoeller203]

12:45 “an extender” 🤣

[@saeedmohammed8162]

Check the voltage on the coil.. i had a 91 blaster and i was getting no spark even though I went through 3 coils. Then I bought a good coil that went with the specs and it got spark

[@blainefrehner7758]

I had this exact same problem a couple years ago on a dt 100 and I was working on it for whole year trying to figure out the problem, I bought new points and a new coil. It turned out that my brand new coil that I bought was bad.

[@2vintage]

Ahh i bet that could be the problem. Eveyrhing else checks out on it. I will swap the coil again and see if I get spark! Thank you!

[@snoopysrc]

@@2vintage check your ground wire on the frame

[@blainefrehner7758]

One thing you can try- put your voltage tester in the coil where the spark plug plugs in and see if you get a reading when you kick it over. I believe it should read dc volts not ac but im not 100% sure

[@kjdgarage]

I know this is an older video, but what I do what I need to stop the flywheel from turning I feed a length of a rope through the spark plug hole, which blocks the piston from coming up. When you’re done, simply pull the rope back out, usually easier than taking the whole cylinder off.

[@dharveshsahadeo9369]

love the videos

[@jestingravely2922]

Someone help this guy out he is a good mechanic every one needs some help here and there love to c that bike up and running

[@mxtvloggz5809]

That’s pretty epic

[@onekick]

Points need to be Isolated with plastic on the hinge or something like that. Sounds like mostly the points are the problem

[@m8fusion712]

Great video

[@6petrolhead6]

Keep going mate you will sort it

[@finster7582]

You HAD spark at the coil, i would think THATS where ur problem is..try putting rubber washers (isolators) n see what happens..also- get a MANUAL !!! LOL.. u cant lose when u have a manual ! 😃👍👍👍👍👍👍👍👍

[@Stephen033]

I would be checking that pile of wires and all of the wires that run next to the frame and also check the junction box wires by the air box, there has to be a wire touching the frame somewhere. I would also change the condenser and change the coil again.

[@cameroncassel994]

Check world of powersports the diagram shows a cdi hooked in the main wiring harness. They also sell new lead wires for the stator. Just a thought is all. The diagrams are very easy to read there. Hope that helps.

[@navyseabee7245]

Bubba Louie always use a new spark plug when checking for spark how do you know that old plug is any good could be a bad plug it's just a good practice to always use a new plug

[@Redneck60]

love the vids

[@whistlindixiesmallengine2085]

The way that flywheel looks I'm surprised it did that much clean them points change that condenser

[@SurRon_OffRoad]

new ignition stator.......and get rid of all the old loom so your just left with what you need

[@project4stroke876]

ur too under rated

[@lyndellraphael6072]

Try putting lighting coil on spark side leave off lighting coil

[@lukewagner8272]

Switch coil for headlight for spark

[@randomprecisionmotors3130]

When you were turning the engine with the drill @10:24 it did make a nice healthy blue spark...don't knoiw how you had it configured to do that but it did spark for a couple turns...

[@2vintage]

yeah it was when I had the coil grounded to metal that wasn't the frame.

[@gtisid]

i’m guessing the igniter coil or points are knackered , hope it’s the points as they are cheap the coil isn’t

[@anthonyreeves3205]

Had this problem!!!! Primary coil is shorting due to age,heat, corrosion. Change that part and it will run!!!!!!!😀

[@phillipturner959]

If you put an old leather shoe lace in the plug hole it will jam the piston so the motor won’t turn.

[@markflint3709]

Maybe change of stator? Will there be a part 4 be mint to see the running

[@Louiscarreviews]

I like this channel its amazing

[@2strokeunlimited2.06]

I love your videos

[@joshbannon8989]

It sounds like your kill switch is on. That switch kills it at the coil. That’s what the ground wire is for on the coil to shut the motor down. When kill switch is open it shuts off motor. When it’s closed it runs. Try a jumping wire in that connector. Then check spark?

[@11GalleryATV]

Do a search on eBay for "Yamaha dt250 stator" and you will see a couple for sale with hi res photos ...

[@waynehartt16]

mustie 1 had the same problem in one of his videos and it was the points, the insulation/ bushing was wore causing the points to ground out

[@RealDadOfAmerica]

Do you remember what video? I really need to see it.

[@waynehartt16]

@@RealDadOfAmerica i left mustie1 a message on his last video to see if he remembers. I know it was a old pull start he was working on but cant remember which one.

[@olsonjamie]

I would change the mag coil if you can use the lighting coil as a mag coil new points and condenser any points I’ve seen have some sort of isolator between case attachment and point itself

[@josephhoover7175]

Did you check the rectifier as well?

[@sandmanbub]

Take the g clip off of the movable arm of the contact points and check for wear where the insulation is. Check for anything that might be conducting electricity to the contact where it's not supposed to or just replace the points. Electrolytic condensers/capacitors do go bad even when sitting on shelves. Shelf life is usually about 20 years. The electrolyte dries up and the caps short out.

[@averagecarguy420]

Old points and condensers can cause a lot of strange stuff. I think you should defenitely get new points and a condenser. Could solve all your issues!

[@davea9215]

Good morning. Only thought I have now is to install a kill switch on the bike. At one time I had a honda 125 dirk bike and my thinking was, well if there wasn't a kill switch installed then how can that not installed kill switch keep my bike from starting, but it did, once I installed the kill switch she fired right up. Good luck my friend, I'm waiting in anticipation for your next video on this bike showing you riding it.

[@davidhughes6578]

There is some awesome pointers and tips in this comment section. Thanks to all of you that dropped the good knowledge

[@trecedaves3159]

I havent ran into that issue myself on a bike, BUT I fix a lot of electronics and have had issue there. In the toridal coils. It ended up grounding out everything. What happened is the windings have a coating and the coating had worn through. I removed the coil and ground issue went away. Idk if you can run mainly off the secondary on that machine but if you can generate the 6volts to the condenser from the secondary you will know if your having a similar issue with the coil wrap on the stator winding

[@craigbrad62]

The piston has had its reed valve ports cut out the back of that piston?

[@lancemorgan1227]

Your points are grounded where they pivot thats what is grounding the whole system pull them apart at the pivot and youll find the broken worn peace of astic replace the points

[@payton5759]

I've been there, ready to sell the problematic bike. In my case, it was a Kawasaki G5 that ran great for a few months, then got to a point it would only run for about 20 minutes, then the plug fouled. After plenty of thinking and mild research, I found out it needed new rings (my first ever 2 stroke, and 2nd ever motorcycle). You'll get it, it'll just hit when you least expect it.

[@shartne]

Did you try a new condenser and points first? That should be the first thing when you try to get spark to eliminate the possibility that the condenser a points are foobar.Get a battery operated impact like a Milwaukee impact and you wont have to take the head off to take that nut off it will impact it so fast it will spin right off. Or if you cannot afford one put a cotton rope down the spark plug hole and it will stop the piston from coming all the way to the top. The points might be missing the plastic insulator between the pivit point and the mount. Try some new points and condenser or even a used set if it fits. The points may be missing some insulators or the condenser may be bad on the inside and shorting out. Condenser is probably full of rust and grounding out. The magneto might be grounding out to the frame or something. Sometimes guys buy a junk bike for parts. hmm its shorting out somewhere. Wipe some Dielectric Grease between the coil and the frame to keep moisture out and so it wont rust so quickly and keep its ground contact longer. I really hope you fix this bike now its really being a pain but makes great video for us to watch the drama. turn this drama into a Saga.