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JL Motorsport
JL Motorsport
JL Motorsport
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This channel is only intended to have fun building bike projects mainly 2 stroke, CNC Machining using lathes and millers, fabrication processes as weld exhausts and small parts of the frame.
Continuously Research and developement 2 stroke engine design and exhausts chamber.
DT125R Supermoto She Stands! Part 5
12:47
2 года назад
GASGAS EC125SM
1:05
2 года назад
Stainless Steel Exhaust DT125R DT125X
2:21
4 года назад
JL Motorsport: boosting your engine!!
0:31
4 года назад
Sachs +100cc team35 by AG Motos
2:12
8 лет назад
Honda RS 125 warmup
5:49
8 лет назад
Famel 76 Zundapp Cafe Racer
1:27
8 лет назад
Crankshaft tune tool
1:07
8 лет назад
Sachs Rotary Valve Inlet Project
7:23
10 лет назад
Комментарии
@user-mu3xb8wt9q
@user-mu3xb8wt9q Месяц назад
Zundapp 5 ou de 4
@JLMotorsport
@JLMotorsport Месяц назад
zundapp 4 com caixa de 5
@pinhocgv
@pinhocgv 4 месяца назад
Boas, inverter o pneu da frente para meter na traseira não tem mal? Isso não pode rebentar? Estou em duvida de fazer isso num Continental Contiattack SM EVO 120/70, Obrigado pela ajuda e bom projeto abraço
@JLMotorsport
@JLMotorsport 4 месяца назад
Podes usar à vontade. Abraço
@pinhocgv
@pinhocgv 4 месяца назад
@@JLMotorsport mas tenho que inverter o sentido correto?
@JLMotorsport
@JLMotorsport 4 месяца назад
@@pinhocgv sim claro
@pinhocgv
@pinhocgv 4 месяца назад
@@JLMotorsport Obrigado
@Jokestbh
@Jokestbh 4 месяца назад
Have you got mobile number I want you to tune my dtr please
@heimataihaoatai5103
@heimataihaoatai5103 6 месяцев назад
hey my friend where did you get the extractor for the startor ?
@vijaykorvekar1009
@vijaykorvekar1009 6 месяцев назад
do you still have your honda rs125 nx4
@vijaykorvekar1009
@vijaykorvekar1009 6 месяцев назад
@JLMotorsport I want a 3d cad model or a blue prints of the frame and swing arm and the swing arm triangle, can you please please provide it to me ?
@CRM125R
@CRM125R 6 месяцев назад
What piston did you use was it stock bore ?
@JLMotorsport
@JLMotorsport 6 месяцев назад
Stock bore is 56mm, I used a 56,40 Wossner in this engine.
@Mt24855
@Mt24855 6 месяцев назад
My friend used to have one with a big bore kit i think it was 180cc if i remember rightly and he used to leave my type s civic sitting while on the back wheel 😂 great bikes unfortunately like gold dust now and insurance companies dont wanna touch you because there over the 15hp limit
@vukasinmijajlovic8102
@vukasinmijajlovic8102 6 месяцев назад
i think its running lean on idle, you see how it hold rpm high then lowers it.
@davidjoe2581
@davidjoe2581 7 месяцев назад
music is fiiing annoying!!!!
@rodrigopf88
@rodrigopf88 8 месяцев назад
Excellent modifications, where can I get that exhaust?
@JLMotorsport
@JLMotorsport 8 месяцев назад
Hi, you can get it through my ebay page www.ebay.co.uk/itm/235322811104?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=R2UPjvMISEC&sssrc=2051273&ssuid=R2UPjvMISEC&var=&widget_ver=artemis&media=COPY or instagram/facebook page(cheaper)
@haydenmcjay
@haydenmcjay 7 месяцев назад
Hi there the one on ebay looks different compared to the one you put on your bike
@JLMotorsport
@JLMotorsport 7 месяцев назад
@@haydenmcjay same dimensions different shape.
@haydenmcjay
@haydenmcjay 7 месяцев назад
I prefer the shape you put on your bike looks closer to stock
@JLMotorsport
@JLMotorsport 7 месяцев назад
@@haydenmcjay its possible to make with price adjustment (+50£) send me a DM in FB or IG if you interented.
@olegmalar
@olegmalar 8 месяцев назад
HeLP!!!!!Добрый день ,подскажите стоит цилиндр 4FU00, могу ли я его заменить на 3MB00
@olegmalar
@olegmalar 8 месяцев назад
+pistone
@robhayter484
@robhayter484 8 месяцев назад
250ml to 5 litres ? Why so much oil
@JLMotorsport
@JLMotorsport 8 месяцев назад
Helps the piston ring to seal better, and gives anti-knock properties to the fuel.
@robhayter484
@robhayter484 8 месяцев назад
that much oil is not necessary, good if you like to waste money
@kingkong81icloud
@kingkong81icloud 9 месяцев назад
I have had 4 Yamaha DT125R, an a YZ 250 1991 but in new condition, I would pick my best DT125R, more fun than the YZ ,the YZ was brutal ,x race bike 2 fast and heavy , plus you don’t need to wear boots with a DT R, the older gen was better than the DT X , I don’t know why they changed it
@jakobt7747
@jakobt7747 10 месяцев назад
Where did you buy the front brake bracket?
@JLMotorsport
@JLMotorsport 10 месяцев назад
I used to sell them on ebay, but now you can get them through my facebook page or instagram.
@ivanhorvat1019
@ivanhorvat1019 10 месяцев назад
Why did you don't put the termostat
@user-ou5mv7pj7x
@user-ou5mv7pj7x 11 месяцев назад
O senhor Pedro da time 35 Anadia Aveiro Portugal
@filipeoliveira7837
@filipeoliveira7837 11 месяцев назад
Boas amigo com rotor hpi de 2 mapas sabes dizer qual e o melhor avançado para sachs com polini carburador 28?
@JLMotorsport
@JLMotorsport 11 месяцев назад
O ponto maximo de avanço tem que ter 26-27graus.
@JLMotorsport
@JLMotorsport 11 месяцев назад
O segundo mapa so serve para tempo humido.
@filipeoliveira7837
@filipeoliveira7837 11 месяцев назад
@@JLMotorsport obrigado pelas respostas
@xorrupt_3802
@xorrupt_3802 11 месяцев назад
just got a quick question, why the 6mm spacer and stroker rod? what difference dos it make to the engine characteristic (surely would slow down peak revs?
@antoniomoranamartinez2755
@antoniomoranamartinez2755 11 месяцев назад
Hi, where do you buy this crankshaft?
@JLMotorsport
@JLMotorsport 11 месяцев назад
DM us on Instagram, you can buy it through us.
@pitpatepapatebom6868
@pitpatepapatebom6868 Год назад
I bought my own dt125re 1 year ago Still cant make it start 😢 Pain for living in 3rd world country
@jacobrabet4433
@jacobrabet4433 Год назад
What wheels are those and what did you use for spacer on the front?
@JLMotorsport
@JLMotorsport Год назад
WR125X wheels, did turned down 3 or 4mm on the original spacer.
@dannythomas8296
@dannythomas8296 Год назад
Didn't lube the rings at all used after market gaskets n seals can't of lasted long haha
@Chroma_noha
@Chroma_noha Год назад
Super construction, only the silicone is a pig.
@JLMotorsport
@JLMotorsport Год назад
I know, later on Had strip it apart due massive leaks from that silicone 🤣
@parisleeoriginal5496
@parisleeoriginal5496 Год назад
Where can I get dt 125r plastics ?
@JLMotorsport
@JLMotorsport Год назад
www.ewmotos.pt
@Jokestbh
@Jokestbh Год назад
Brogado !! how much to make one for my 2003 dt 125r bro? great bit or work there! also where did you get the rear mug gaurd from?
@JLMotorsport
@JLMotorsport Год назад
Hi Robert, Dont really do them for public, only do bespoke ones for my builds, people are not used to pay for these stainless fabrications. They think they can compare bespoke exhausts with stamped ones like FMF's and Dep's. The plastic kit is made in Portugal. If you live in the UK, Im not sure if you can import them anymore due to brexit, tried last month to import them without success.
@karumasPT
@karumasPT Год назад
Grande escape, sim senhor!! Conseguis te afinar esse carburador? 🤣🤣 Grande aço!! Continua, força! Abraço
@JLMotorsport
@JLMotorsport Год назад
claro, proximo video vês como fica 😁
@user-qs4vp7ph6t
@user-qs4vp7ph6t Год назад
What carburetor did you install ?
@JLMotorsport
@JLMotorsport Год назад
34mm keihin
@iamtheapik
@iamtheapik Год назад
19:21 I don't understand why you put this segment or ring, supposedly it's not just for a 4-stroke engine? 19:21
@JLMotorsport
@JLMotorsport Год назад
Hi, thats just to pre load (spring) the bottom ring, some piston brands use them to add a bit more longevity in their pistons.
@supertedogpriken
@supertedogpriken Год назад
Amazing work you did on that pipe. It looks amazing and probably works amazing also.
@JLMotorsport
@JLMotorsport Год назад
cheers mate 😁 Stay tunned for the testing video
@konraad_e90
@konraad_e90 Год назад
Hey there, what did you do with de power valve? What is on it? I cant find this in any video thx for the answer Good looking!! By a DTR owner [1992]
@JLMotorsport
@JLMotorsport Год назад
thats a special locking plate I custom made. If you need one, can put it on my ebay page as I did with the front brake caliper bracket for the 300mm brake disc.
@konraad_e90
@konraad_e90 Год назад
@@JLMotorsport aha thanks for the anwer, than you have power valve or not? cause I cant see the wires from the left side
@JLMotorsport
@JLMotorsport Год назад
@@konraad_e90 its pinned open as I am running a racing cdi and a scooter magneto.
@konraad_e90
@konraad_e90 3 месяца назад
@@JLMotorsport thats nice!
@enzonatta2783
@enzonatta2783 Год назад
🇦🇷🇦🇷🇦🇷👏👏👏👏👏👏
@JLMotorsport
@JLMotorsport Год назад
cheers 👌🏻
@enzonatta2783
@enzonatta2783 Год назад
that yamaha is watery???
@JLMotorsport
@JLMotorsport Год назад
@@enzonatta2783 what you mean, liquid cooled?
@enzonatta2783
@enzonatta2783 Год назад
@@JLMotorsport Yes, that's what I was referring to, I have a Yamaha DT125, it's air-cooled, it's something similar to yours but with less cc
@JLMotorsport
@JLMotorsport Год назад
@@enzonatta2783 in europe DT125 is Liquid cooled since 1982-83. Its quite powerfull engine, and if tuned funny to ride 👌🏻
@afracing1409
@afracing1409 Год назад
Good sound
@JLMotorsport
@JLMotorsport Год назад
Thanks 👌🏻
@user-nb3tc8kl5i
@user-nb3tc8kl5i Год назад
Qual o software que usas para as cotas da panela ? (se quiseres revelar claro)
@JLMotorsport
@JLMotorsport Год назад
Uso um software desenvolvido por mim ao longo dos anos.
@user-nb3tc8kl5i
@user-nb3tc8kl5i Год назад
@@JLMotorsport Hum, mas então também fazes programação ? Está para venda ?
@JLMotorsport
@JLMotorsport Год назад
@@user-nb3tc8kl5i Pois tem de ser. Infelizmente é só uma folha de excel, e nao esta para venda.
@-recoilbear-2576
@-recoilbear-2576 Год назад
that pipe looks sick
@JLMotorsport
@JLMotorsport Год назад
thanks 👌🏻
@anapaulapereira3255
@anapaulapereira3255 Год назад
top
@JLMotorsport
@JLMotorsport Год назад
thanks 👌🏻
@esmeben
@esmeben Год назад
Wicked bit of kit.
@JLMotorsport
@JLMotorsport Год назад
thanks 👌🏻
@LoweSpeedFab
@LoweSpeedFab Год назад
Hey Mate, do you use a computer program to lay out the pie cuts in a 3d model? I am having all sorts of issues trying to convert a fusion 360 modelled pipe into flat sheet metal templates. Cheers
@JLMotorsport
@JLMotorsport Год назад
You need to design it out of sheet metal from start, Cad softwares usually cant covert conical solids into sheet metal.
@LoweSpeedFab
@LoweSpeedFab Год назад
@JL Motorsport Yeah, i have been able to create a straight expansion chamber in the sheetmetal environment. But i would really like to have all my weld seams aligned and keep them hidden on the inside of the pipe. So once i start trying to work around the 3d plotted path, it gets really difficult and seems like fusion isn't really well set up to do this. Can you recommend a better program or a video example to help me out? Thanks for your reply.
@JLMotorsport
@JLMotorsport Год назад
@@LoweSpeedFab with cad thats easily done, I personaly use solidworks.
@LoweSpeedFab
@LoweSpeedFab Год назад
@JL Motorsport Thanks, mate I'll just have to rethink my approach and do some more research. Cheers Pipes for my 1986 IT200 SuperMotard project.
@raffaeleblazanovic
@raffaeleblazanovic Год назад
What is that inlet manifold
@JLMotorsport
@JLMotorsport Год назад
Believe its from a dt200cc
@kingkong81icloud
@kingkong81icloud Год назад
I have had 4 , one had a gray engine, two silver engines , a gold engine, that I skimmed top end because I blew it up, I opened power valve out full an new piston an ring , it was fast af for a 125 , faster than other 3 I had
@JLMotorsport
@JLMotorsport Год назад
For a road bike, and considering the age of this engine, its not too bad, but when compared to actual 2 stroke engine design MX bikes , the dt engine its a proper dinossaur 🤣
@kingkong81icloud
@kingkong81icloud Год назад
@@JLMotorsport yea I know, but the YZ has not changed much I had a 91 250 , not much has changed on them apart from the power valve system, I used to be able to get them for a few hundred quid but now they are rare an worth a couple of grand
@JLMotorsport
@JLMotorsport Год назад
@@kingkong81icloud yeah thats true, not to talk about the Iconic cr500, dont think 5grand can buy them anymore 😁 Same as Banshee 350 and RD350/500
@kingkong81icloud
@kingkong81icloud Год назад
@@JLMotorsport the DT125R was good my mate had a DT125 LC that’s the dinosaur
@JLMotorsport
@JLMotorsport Год назад
@@kingkong81icloud Made a stainless exhaust for one of them DT125LC couple years ago. Completely agree 🤣
@djCarterboi25
@djCarterboi25 Год назад
Hi mate do you not need woodraff key after advancing the timing as fort it would just turn on crank or come loose and what gains you get from advancing it
@JLMotorsport
@JLMotorsport Год назад
The woodroof key is just to quickly assemble the flywheel. what really holds it together is the conical fitting, if you ever used a flywheel puller before you will know very well what I mean. ( Racing ignitions do not have woodroof keys)
@djCarterboi25
@djCarterboi25 Год назад
@@JLMotorsport oh don’t they I’ve never known that cheers. So what do you gain from advancing the timing more revs?
@JLMotorsport
@JLMotorsport Год назад
@@djCarterboi25 depending on your carb/ cylinder setup you will gain loads more power/torque and revs. (be careful, it can seize your engine)
@djCarterboi25
@djCarterboi25 Год назад
@@JLMotorsport I currently run 170 anthenna kit 32mm carb hopefully getting a stainless pipe this week
@SDrizzy
@SDrizzy Год назад
great video as always, getting my 2001 rebuilt this month and really considering slapping some sm pro rims on it. What size will i need? and what are the biggest tyres you can get in the swing arm? thanks in advance for your help, cant wait to see you rip this bike
@JLMotorsport
@JLMotorsport Год назад
The biggest you can fit into a dt is 150at the rear and 120 at the front, 3,5" and 4,25" rims
@k1cktourooooo
@k1cktourooooo Год назад
Hello, I have a DTR 125 and I can't find the throttle cable assembly witch has the oil mixer ajuster, can you show me the OEM numbers so i can find it? Thanks
@deeperm8763
@deeperm8763 Год назад
On Headlight what is this kind of front headlight plastic shroud I would like to get one if possible thanks
@JLMotorsport
@JLMotorsport Год назад
This is called "Polisport Halo" Its made by A portuguese company "Polisport", you can find them in diferent collors and comes with really easy fit brackets, nice and simple.
@-recoilbear-2576
@-recoilbear-2576 Год назад
Do you still remember where did you get all the bearings? Im trying to find all bearings for my dt 125 engine but only found the models for the crank bearings. I would need to replace all the transmission bearings too.
@JLMotorsport
@JLMotorsport Год назад
they all are generic bearings, if you strip them apart you will find the reference written on them.
@-recoilbear-2576
@-recoilbear-2576 Год назад
@@JLMotorsport Thank you
@-recoilbear-2576
@-recoilbear-2576 Год назад
Do you know if any hpi works with dt 125 2006?
@JLMotorsport
@JLMotorsport Год назад
Yeah, used them before in my projects, its not plug and play, simple mod you will fit them.
@-recoilbear-2576
@-recoilbear-2576 Год назад
@@JLMotorsport What bikes hpi kit did you use for the dt 125 ? should i buy a hpi yz kit or something similar?
@JLMotorsport
@JLMotorsport Год назад
@@-recoilbear-2576 I tried before from dt50
@davidandre6309
@davidandre6309 Год назад
O que esse motor tem ?
@JLMotorsport
@JLMotorsport Год назад
Athena 45 preparado
@russi461
@russi461 Год назад
250ml 2st waaaaaat
@abakay737
@abakay737 Год назад
Kenapa honda tidak mengunakan body motor ni rs125 untuk mengunakan engine 4t 250 yg boleh dpt top speed 245 kmh. Dimasukan ke bodey motor ni..
@djCarterboi25
@djCarterboi25 Год назад
Where did you get exhaust made I need one for my 170 kit
@JLMotorsport
@JLMotorsport Год назад
I custom make them in my garage.
@djCarterboi25
@djCarterboi25 Год назад
@@JLMotorsport could you make one for a 2002dt that suit the 170 kit if so how much?
@JLMotorsport
@JLMotorsport Год назад
@@djCarterboi25 Sure, down pipes cost around 300£
@djCarterboi25
@djCarterboi25 Год назад
Cheers what is turn around time on one being made
@JLMotorsport
@JLMotorsport Год назад
@@djCarterboi25 around 2 weeks
@officialmysteriousrider130
@officialmysteriousrider130 Год назад
No video onit running yet mate. & did you just cap the power valve off with you running Yamaha jog flywheel / electrics/ CDI. I bet with this lightened flywheel should make a difference in power. Dtlc reed boot / rdlc
@JLMotorsport
@JLMotorsport Год назад
Will work on it this weekend, hopefully try to get the engine in the frame. Still need to build the exhaust
@officialmysteriousrider130
@officialmysteriousrider130 Год назад
@@JLMotorsport sounds good will it the notification bell if you make a video. Just watched a old video ov yours didn't realize you from UK I always fought you was actually in Portugal Lol
@JLMotorsport
@JLMotorsport Год назад
@@officialmysteriousrider130 I am portuguese but living in UK 😁
@2strokelifestyle
@2strokelifestyle Год назад
Me too … I’m in Crawley West Sussex and have been since I was 5 back in 1995 I came here … good to see your vids bro … born in Porto 🤙🏼. Bro I’m watching your vids and it’s making me want to build a dt so much 🤦🏻‍♂️😂
@2strokelifestyle
@2strokelifestyle Год назад
We need more vids !!! Well I do 😂😂