Who thinks it will start? Please SUBSCRIBE and LIKE the video if you enjoyed! It really helps me out a lot! Check out my Instagram: 2_vintage_ Thank you for all the support!
@jmendo2546
2 жыл бұрын
Timing is retarded real slow to climb. Defiantly put an air filter on might need back pressure
@robertsumpter9970
2 жыл бұрын
Not this video it's not reving out due to the fact rimming is off two screws turn magnito one way a little at a time till you get it you had it running
@lawrence1986ify
2 жыл бұрын
please look up "Heat shrink solder butt connectors" no more soldering all you use is a heat gun or touch and they are weather proof as well its perfect for what you need
@jasonfife2751
2 жыл бұрын
Reed Valve!
@jonbaggarly6969
2 жыл бұрын
I think it's firin after tdc
@davebarrowcliffe1289
2 жыл бұрын
Try this: 1. Check for spark. One kick is ample. 2. Order new gasket set, seals and bearings. 3. Remove engine from frame and get it on the bench. 4. Completely strip and inspect, clean and replace all seals, bearings and any broken or worn-out parts. Oil seals are simply not designed to last 3 decades! 5. Reassemble. 6. Put engine back in frame 7. Check timing with a dial gauge using timing degrees off the internet. 8. Clean carb and replace all jets making sure you have the right sizes. They cost pennies. Never run a 2 stroke without an air filter. Honest mate, it's a lot more satisfying and less time-consuming than endless fault-finding and troubleshooting. 😀👍
@reggiexp69
2 жыл бұрын
nah man that is to much :)
@wallpaperman9051
2 жыл бұрын
Try reeds as well
@c.s.s.1723
2 жыл бұрын
Sometimes you gotta burn down the village to save it. You are totally right about this.
@bk6271
7 ай бұрын
makes for a boring video tho
@johntunstall9698
2 жыл бұрын
If you hold the soldering iron on the wire while applying the solder, it will flow into the splice a lot easier. 👍🏻
@BadassedRC
2 жыл бұрын
Ya! That way your just painting it on top of the wires. Let the copper wire melt the solder, not the gun. =) Great vid thank you!
@robertsullivan8045
5 ай бұрын
...exactly!
@staceysmith6518
2 жыл бұрын
It’s a two-stroke Derek, being over filled on oil cannot affect how the boat runs the crank case is completely sealed off from the Engine cylinder
@calebwinterbottom196
2 жыл бұрын
I mean it could drag out the clutch right? Definitely something you don’t wanna do
@catfish_lude
2 жыл бұрын
and he put 10w40 in the gearbox
@danielastrom8677
2 жыл бұрын
@@catfish_lude thats the right oil for what i know all rm´s
@motoXcR
2 жыл бұрын
obviously its the motor mounts xd
@l.s.tukbigbud7715
2 жыл бұрын
It's a motorbike Derek... not a boat Dave...
@briancrull8678
2 жыл бұрын
I love seeing you go back to the roots of what me and a friend of mine were doing 25 years ago. Digging up barn bikes and riding the shit out of them if they’d run until they blew up
@RcOffroad9513
2 жыл бұрын
I just wrote a comment about me and a friend doing the same thing! Happy times back then! I think I'm gonna buy a fixer-uper!
@Muddymikey
2 жыл бұрын
That's a '79. Check the reed valves for your bogging problem, they're probably not fluttering like they should after sitting for so long. Congrats on getting it started. (Oops, spoiler alert!!)
@nou943
2 жыл бұрын
i just had the same issue on a pw80 that im working on. I put some boyseen reeds in it and it runs much better now
@wallpaperman9051
2 жыл бұрын
I didn’t think about that. It could be the problem
@thenoblehacker9111
2 жыл бұрын
Bruh who adds a spoiler alert AFTER they put the spoil
@wallpaperman9051
2 жыл бұрын
Shut up millennial
@mikga45
Жыл бұрын
Reeds after all those years should replace anyway.
@James79561
2 жыл бұрын
Line up the lines and your in time . 1979 RM 400 rider ! Bought it new in 79 ! Still have it and a 1980 . Best motocrosser in the day .
@prakashkelly6497
2 жыл бұрын
Yes it will start , first bike I had was a 1979 rm 125 she was beautiful I am 53 years I WANT one again 👍😆
@justj4cob893
2 жыл бұрын
*Watching You is like making my dream come true. I'd love to buy Old dirt bikes and fix them up to bring them to their glory days. One day I'd love to fix some up. Keep up your amazing and inspiring content.* ☺
@wallpaperman9051
2 жыл бұрын
Same
@briangoscinak9725
Жыл бұрын
Save up and buy one! There are deals out there if you're quick enough I see running bikes for 700 bucks that are ugly all the time. Seat cover, spray paint and send it
@gerryh1746
2 жыл бұрын
It doesn't sound like you have a spark issue. It's acting exactly like the choke is on.
@staceysmith6518
2 жыл бұрын
If it was a crank seal the bike would be smoking a lot more than what it is. Most likely it’s your carburetor settings or the timing is slightly off
@carterwellman413
2 жыл бұрын
It’s a two stroke.
@robspear03
2 жыл бұрын
@@carterwellman413 Which still has ignition timing...
@johndallis9901
2 жыл бұрын
Probably oil mixture, smoking means it’s working though so good.
@wannawin95
2 жыл бұрын
I was really looking forward to this video man, thanks a bunch for uploading it.
@theboogieman401
2 жыл бұрын
He has had like almost everybody even the holy grail KTM 500 from like 1994 or something they’re all white
@waynesart8385
2 жыл бұрын
This was my first bike here in new zealand, soo cool to see one coming back to life
@nou943
2 жыл бұрын
when you're soldering, you should heat the wires up and let the solder flow into the wires rather than putting a layer on. They'll hold much better if the solder works its way into the wire
@RcOffroad9513
2 жыл бұрын
When I was about 11 I bought a xr75 from a guy for $20 and some fake Oakley sun glasses. It didn't run, but I worked on it until I got it running. A few months later it caught fire from a backfire and homemade intake tube (a bicycle innertube) letting the fire out to where the carb leaked. I would fill the carb bowl and shut off the gas cause it leaked. One day I'm riding it with my friend and it ran out of gas. A construction worker filled the tank for me, and I headed off for the house about 3 or 4 mins away. I got to my yard and was hoping to get the gas shut off before anything bad happened bit it was too late, and being it had a whole tank of gas continuously leaking from the carb it was hard to put out. So I got rid of that and bought for $20 dollers! A 86 kx 80! It didn't have a cdi, so I put one from a older Suzuki model I can't remember what model but it was a 2stroke 80cc, and wouldn't you know it it fired up! I can't remember now why... but the throttle would get stuck open so We put a thick string around the sparkplug boot, too yank it off the plug when it would happen! It happened to me a few times! 😆 But boy did I love working on those things! I was 10-13 so didn't have any money but I could rig it up with superglue and duct tape! Great video man! I think it time to find me a used fixer upper dirt bike! Keep up the great work!
@shotgunz124
2 жыл бұрын
Kids don’t do that kind of stuff anymore It’s all video games and junk My oldest is 25 now I had him riding bikes and Atv at 4 yo and helping me work on them Now my young one likes bikes and quads but he’s not into it like the older one It’s crazy how that happens and he’s been around them cause I ride and work on my own stuff He’s getting more enthused as he’s getting some older When I was a kids we was lucky to have a bike to ride I had a Suzuki jr50 and wore it out then a Honda trail 70 it looked funny but it was fun to ride lol
@handlebullshit
2 жыл бұрын
Use flux when soldering and heat the wire, then add the solder. Let the solder flow into the joint, It's not paint. To prevent the heatshrink shrinking, put it on the longer piece of wire so it's further away from the heat. Gonna be a nice bike when you are done.
@rigguyjt
2 жыл бұрын
You should start using a dial gauge indicator for timing. If it is advanced at all, you can put a hole in the piston.
@shaynedonnelly374
2 жыл бұрын
Great advice but wasted comment he never listens and never learns
@rigguyjt
2 жыл бұрын
@@shaynedonnelly374 I thought I would mention it several times to express the importance of 2 stroke timing because you probably know how easy 4 strokes are to time. You can’t time a 2 stroke properly just by sight or else disaster looms.
@haydee3260
2 жыл бұрын
its your air fuel mix you need to restrict some air coming in an air filter might do the trick!!!! has happpened to me with 2 stroke bikes all the time
@BitcoinYooper
2 жыл бұрын
That's what I was thinking, messing with everything but putting an air cleaner on it. Just ramming unmetered or unrestricted air to it. Like ah fix that prolly rev out.
@jonbaggarly6969
2 жыл бұрын
Cdi is everything without the right one it wont have the right firing order or sequence hope ya get it brother love the vintage bikes
@Bigkuntri72
2 жыл бұрын
Thanks for the videos. I love this kinda stuff and have learned allot from checking out your videos. I Bought an 86 Suzuki dr100 this spring that didn't run and got it running. Didn't take much. More TLC than anything. I'd like to restore it but parts are extremely hard to find at a reasonable price.
@MarcHord-mk5ff
2 жыл бұрын
I bought a brand new 1976 rm 125. Top of the line back then. 6 speed gearbox. It was top of the line, then.
@bananabrooks3836
2 жыл бұрын
Rm 250 on the trailer looks like a '77 or early '78 model. Your Rm125 uses two intake systems piston port low end, then 'case reed' (you've not checked the reeds or reed lands yet) opens up for mid/top end. The cdi and correct stator part no.s can be identified from incisive googling presuming the part no. is still legible on your cdi. I think you can buy complete ignition and Boyesen (rad valve?) reed systems both cheaper then stock even if you can find them.
@raysmetaltracks6782
2 жыл бұрын
Man, I dig your channel. Love getting into the details with you. Used to really enjoy working on my bike with my dad, brings back great memories.
@alanjaldred
2 жыл бұрын
One little tip. I notice in a lot of your videos that you give it throttle as you kick the bike over. This often makes it harder to start the bike. It's normally easier to get it to fire and then if it fires, THEN give it gas if it needs it.
@kurtyoung6769
2 жыл бұрын
I've hesitated in the past to correct your starting procedure on two strokes. Do not twist the throttle with the enrichment knob pulled out. It's not a choke......it's an enrichment circuit that only functions properly with the throttle position at idle.
@c.s.s.1723
2 жыл бұрын
A lot of snowmobiles have enrichment levers with 2 positions. Thank you for pointing out this crucial detail. It is too easy to make that mistake. It is NOT a choke…!
@timneeley4040
2 жыл бұрын
Spray startingfuild around head and cylinder while running see if it revs up. Gaskets could be blown. Could be e plug
@nickgibboni8469
2 жыл бұрын
i believe he did that. 29:35.
@Erlov71
2 жыл бұрын
Cant get enough of vintage bikes. Love em
@groovystuff1741
2 жыл бұрын
cannot believe how lucky u are getting them bikes.happy for u.u do an amzing video all of the videos are really thorough as u explain properly
@dennisbagatin4480
2 жыл бұрын
Nice fix but I can't stop drooling over that 350x in the background ✌
@DuFFR32T
2 жыл бұрын
Awesome! I owned and rebuilt one of those many years ago! Powerband was insane, when it hits just hold on!
@joncooke479
2 жыл бұрын
Yes an absolute rocket ship if memory serves me
@williamamacker3119
2 жыл бұрын
1979 I definitely think it’s a 79 thanks for your great videos they are all excellent 🤘☘️🇺🇸
@richiefearn4214
2 жыл бұрын
Before I watch ,I have full faith in you getting the RM going 👍👍
@crazymotoaction
2 жыл бұрын
You need to check those reeds out and check the carb sounds like not enough fuel or broken reeds
@Sharky_Mcstevens
2 жыл бұрын
That little trick with the air chisel was genius.
@phillipwagner7347
2 жыл бұрын
I can’t wait to get mine up and running!!
@jaredmcquiniff5362
2 жыл бұрын
I wonder if the timing needs to be advanced a couple degrees. Great job on this project! From rust to riches!!
@joshuarainey6796
2 жыл бұрын
I miss my 82 rm, was a great bike
@rm25088
2 жыл бұрын
that guy was smart. he made you buy both bikes for the parts for the 125.
@RobbyHughes238
2 жыл бұрын
Hey great video here’s a little tip if it’s running kind of crappy that little tab on the bottom of the carb comes in contact with the motor and foams up the gas so grind it down a few milameters so it’s not touching it
@nickgibboni8469
2 жыл бұрын
could you explain more? haven't heard of this
@RobbyHughes238
2 жыл бұрын
@@nickgibboni8469 so that little tab touches the bottom end and all the vibration goes through the tab and makes the gas foam and get air bubbles so it gets more air then fuel and makes it idle higher
@richie8214
2 жыл бұрын
New plug I would before anything
@GarbageDanks
2 жыл бұрын
I have to do the crank seal on my 01 CR125. If you let it sit for a while it starts out super rich and smokes like crazy and then evens out. It's gotten real bad where it has a constant rich condition no matter how much you lean it out. Replacing it this weekend.
@edwerts7096
2 жыл бұрын
Ok that makes sense if your using the wrong parts. I look forward to you riding it!
@shaynedonnelly374
2 жыл бұрын
He'll ride it but it will run like trash and he'll say it's minty lol.
@rigguyjt
2 жыл бұрын
Do yourself a favor and order a dial gauge indicator while your at it. They’re like $50. They are a necessity. Once you’ve used one, you’ll see what I mean. There’s nothing like a properly timed bike.
@markhensley9378
2 жыл бұрын
Really hope you can figure it out. You're probably right about the CDI and I wonder if changing the timing would help with the 250 stator and CDI?
@mrpenland
2 жыл бұрын
do you think the reeds could be froze up or too stiff???
@wallpaperman9051
2 жыл бұрын
I read another comment about the reeds and I think that’s the problem, just not gettin enough fuel air mixture
@killaquarryservices3065
2 жыл бұрын
This bike has done very little ,you found a really tidy bike 1979.I had 78 many years ago first thing I rode with power band!! Happy days 👍
@xipingpooh5783
2 жыл бұрын
My first full size motocrosser. It was a great bike. In its time it was state of the art. The RM’s and YZ’s were head and shoulders the two best motocross lineups back then.
@11GalleryATV
2 жыл бұрын
Definitely a 1979 - the 1980 had a smaller rear fender, and the 1978 has a different gas tank
@richardbowen-jones3045
2 жыл бұрын
Can't wait for diagnosis I was saying main jet if not standard. Or wrong stator
@mikeleblanc2933
2 жыл бұрын
Careful with timing.....to low it will bog out.....to high it will burn a hole right thru the top of the piston......happened to me twice on wiseco new builts......cost me 2 pistons before getting it timed right.
@downsouth701
2 жыл бұрын
Must be hot if they scratched the Vin off
@daryleduardo7055
2 жыл бұрын
May need an air filter to help with vacuum
@mechdesigner9304
2 жыл бұрын
Start with the fundamentals. check compression, do a leak down test if you know how. Leak down will tell you if the main seals leak or you have a gasket leak. use a new plug and check the color of the spark. Light blue is optimal. check the reeds. check the timing. and use some good gas. You cleaned the carb and the pipe isnt the issue unless its crushed.Check the jetting specs too never assume the jetting is correct. Could be a way big main jet with high float level..
@peteraitken6494
2 жыл бұрын
Brilliant looking forward to this 👍
@Coyotethumper5
2 жыл бұрын
Yeah that CDI and stater definitely looks like the one I had on my 79 arm 250 and I had my stater go out on my RM 250 well half of it and I had to replace it it would idle but soon as you touch the throttle it would die and it also would run hot just at idle but once I replace the stater ran like a champ
@MaNNeRz91
2 жыл бұрын
Was that fuel pissing everywhere when it came off the stand? 😆😆 And sounds like it's bogging from too much fuel but could be the choke 👀
@daryleduardo7055
2 жыл бұрын
If you do suspect the air filter 30 or $40 air filters a lot cheaper than an engine rebuild just swap the dang thing out with a new one
@TwistedTriggerEnduro
2 жыл бұрын
Such a satasfying video. Just found your channel and joining your community. I support all 2 wheeled content creators like us. Keep riding, keep happy! Excited to see what you post next.
@troyaldridge3853
2 жыл бұрын
u can solder the end back on the throttle cable joe
@Dakindbrew
2 жыл бұрын
My first bike wuz a '80 RM80! had her for like 16 years till she died onna logging road somewhere. Energy can't be destroyed
@daryleduardo7055
2 жыл бұрын
Personally I would never run an engine especially two-stroke like that without an air filter doesn't take much to screw up that piston one little piece of dirt and it's done I can't justify running an engine without an air filter
@calebwinterbottom196
2 жыл бұрын
Lots of guys with their race mopeds and what not run their carbs with nothin on the end of them, then again their only on the streets not trails
@daryleduardo7055
2 жыл бұрын
@@calebwinterbottom196 Agreed
@daryleduardo7055
2 жыл бұрын
@@calebwinterbottom196 they probably jet those carburetors so that they run a little richer like a snowmobile
You don't know what your talking about. I bet you don't even have a bike.
@joncooke479
2 жыл бұрын
Thats a rocket ship when running, if the carb is correct and it won't rev high it will be the high revs coil failing in the stator assembly. Had exactly the same problem back in the day on the exact same machine!
@stopcensoringmyfreespeech3280
2 жыл бұрын
like you said it starts and the carb is working. found the seat. are you going to put the CDI in the toaster.
@crown_3526
2 жыл бұрын
I had a blaster that kept throwing me through a loop couldn't figure it out doing the same thing. Ended up being the crank seal. Looked like the ppl that owned it before could not get the cab to stop leaking from the bowl so they PLUGED the drain on it lol 🤦 filled the motor full of fuel and blew out all the seals on it.
@chrisbrennan2622
2 жыл бұрын
Kids ride mx bikes on road that bikes stolen kid's fixing a bike with no frame or engine numbers that bikes good glad to see you fixing it every one trying to tell him wot I'd probably wrong no one ask where the numbers gone or why
@thedudetravels6737
2 жыл бұрын
I miss those old thick seats. The new seats on dual sports and mx just suck!
@leekgt
2 жыл бұрын
Got that hoagie runnin!! 🍋🔥
@lexomotorsports
2 жыл бұрын
Any luck on finding some land ,the land I went to see sold the same day ,still looking
@alrezgarage9046
2 жыл бұрын
It’s FOR SURE THE STATOR TIMING
@louisjohnsonjr.4934
2 жыл бұрын
Its sat for a very long time it may just need running for a while to get the seals hot enough to seal the engine up good.
@scottdavis1925
2 жыл бұрын
Just so you know the C. D. I is built into the coil on this. The coil has the cdi in the coil .so if the stator wires run too the ignition coil and you have spark you do not need too add a C. D. I to the bike .
@marcmoreno9192
2 жыл бұрын
Definitely a 79 from the chain tensioners and roller on the swing arm 80 has a different bottom chain guide
@just_in_time5518
2 жыл бұрын
Love this bike!
@timfaulkner852
2 жыл бұрын
Totally correct you need the right CDI unit for that yr of bike, they were a big prob bk then..
@daryleduardo7055
2 жыл бұрын
Want to know how I know this? I had a early 2000s Yamaha v Star Silverado classic edition are in the engine without the air filter to see if it would run it didn't rev up it would stall and die it would idle fine as soon as you hit the throttle it died so I put the air filter element back on in the air filter cover and it was like a new machine reved up smoother than hell
@TheOldRogue
2 жыл бұрын
It doesn't sound like a timing issue to me or the seals either, it's fueling problem. If it was timing it wouldn't idle like it does, if it was seals it would be hard to start and probably smoke a lot. I would try an air filter and but the mixture screw to factory and go from there as a start.
@shotgunz124
2 жыл бұрын
That’s incorrect it will idle just fine when u raise the rpm it’s supposed to advance the timing to rev up that what the Cdi does
@TheOldRogue
2 жыл бұрын
@@shotgunz124 Wrong, yes you could 'electronically' delay the ignition timing by modding but not advance without moving the trigger coil or magnets. CDI or capacitor discharge ignition charges the caps internally and releases its charge when the flywheel passes the trigger coil, it's as simple as that.
@gearhead762
2 жыл бұрын
Alot of older bikes have the year stamped into the head tube
@samlindow3425
2 жыл бұрын
I am from Sheboygan Wi. My dads first dirtbike was a 1979 Suzuki rm125. I will buy this off of you when you’re done with it
@phillipwagner7347
2 жыл бұрын
Took my jug to a shop yesterday and have to get it bored to the next size bigger!! Have it back in a week or so!
@kevinhumphrey932
2 жыл бұрын
Try a air filter and or advance the timing possibly
@larzzzon2692
2 жыл бұрын
It is old oil in the carb i had the same problem with my rm80
@eddie2799
2 жыл бұрын
By the condition of that carb It's a carb issue. Not getting enough fuel. Your idle circuit is working but secondary circuit is not. Try spraying fuel in the carb at WOT and that will tell you for sure. This test will also rule out reed problems. Easy peasy!
@richardkey4289
2 жыл бұрын
Those old ' zooks have really nice lines to them, good looking bikes. Another vintage cycle rises again! Yeah! It came from the 70' s .....
@shotgunz124
2 жыл бұрын
The 80s to about 96 was all good bikes especially race bikes They all had plastic tanks by then and fenders no more metal stuff and twin shocks lol I had a buddy had a 85 kx 60 and man that bike was mean
@codyscarff2024
2 жыл бұрын
Those solder joints are just terrible. Next time use a bit of flux and actually hold the iron on the joint until solder flows INSIDE the wire. Almost a useless solder joint there.
@j-beatsimaginationstudio1987
2 жыл бұрын
Is that petcock valve on backwards?
@leewaken5059
2 жыл бұрын
Nope
@briankennedy5578
2 жыл бұрын
Should have loosened the screws on the stator to where it's held in place. But you can still turn it. Start the engine. Very slowly turn the stator changing the timing. Possibly the timing marks on the 250 are in a slightly different spot. There's not enough difference between the two bikes that it should matter. You've got spark. The only other thing the cdi controls is the timing curve. That should be about the same on either. If timed right has to work
@sendit1158
2 жыл бұрын
Great videos Joe, love it, looks like she might be time for a new pair of work shorts eh? I mean your on KZitem so try n look presentable lol
@officialmilehigh5207
2 жыл бұрын
could it be wrong jets in the carb?
@junkyardjimusa1195
2 жыл бұрын
Love to see the new finds, you're doing awesome man. Props to you! No sponsor from good ol' dubya d40 yet eh? Lol
@murphyyost1011
2 жыл бұрын
I doubt it’s a crank seal because you would be loosing a crazy amount of oil and it would be smoking like a freight train… it almost makes me think that the reed valve has a crack in in or is broken
@hondasuzuki17t
Жыл бұрын
I got a 1981 rm100 that I pulled out of a trailer. I will trade my faded tank for your nice shiny tank. Haha. I wish mine was a 125.
@tristan8745
2 жыл бұрын
that will def start up!! love your videos man :)
@brodyooo6890
2 жыл бұрын
I prob wouldn’t tell everyone if my vin was scraped off 😂
@philly_jay_vlogs
2 жыл бұрын
Did you check air/fuel screw on carb
@SurRon_OffRoad
2 жыл бұрын
ahhh every time your phone gets a messege on these vids i reach for my phone .. 1:15 😊
@daryleduardo7055
2 жыл бұрын
Without the air filter it would not create enough suction and vacuum on the carburetors to suck the fuel into the intake could be your issue on that RM 125
@Pajack
2 жыл бұрын
It is the same way with some older polaris atv's . If you don't have the filter and airbox lid on, it will idle fine but bogs down on throttle. Put them on and runs like a champ!
@daryleduardo7055
2 жыл бұрын
@@Pajack exactly
@user-kf3vf7fv8w
7 ай бұрын
I hated my 79 RM125. Bought a 86 KTM MX125. Big difference.
@jasonfife2751
2 жыл бұрын
Had the same bike and same problem. In my case it was the reed valve. Debris got stuck in them. Check your reeds!!
@adamkeller9356
2 жыл бұрын
Left side crank seal under stator if it was clUtch side you'd be burning gear oil
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