DT125R FORUM

I can recommend one smelling of strawberries: https://www.ipone.com/en/eshop/product/r2000

If you look at the coolant reservoir at the rear, you will notice that it has a hose going to the frame. I take that to mean that the coolant is routed via the frame tubes. Pipes. There is no hint of an explanation in the workshop manual, though. Perhaps you have a crack in the frame?

I would say so. Is quite similar to the factory headlight, but it gives the modern look I was looking for, with a cleaner and whiter light.

Well sounds like a fantastic purchase. I thought I recall the 3SH models being quite sought after and sounds like a good buy for the money. Sadly Imgur is blocked in the UK so I can't see the images right now, I'll have to have a nosey on a VPN. Yeah, there is an okay aftermarket scene for tuning, anything that'll fit the DTR engine will fit the TDR engine. It's the TZR 125 (2RK???) models that had different engine setups, but the TZR Belgarda shared the same platform as the DTR.

No, the 4DL would have a straight inlet. These don't fit the DTR as thr carb then fouls the shock absorber.

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Reposting images as Imgur no longer viable in the UK. [image: 507%20-%20ahhYMAV.jpg] [image: 530%20-%20HiCXC0j.jpg] [image: 536%20-%20leIJ7lX.jpg] [image: 542%20-%2072nlAsp.jpg] [image: 548%20-%20BmR50v9.jpg] [image: 554%20-%20I98okMj.jpg] [image: 560%20-%20gMIA9W1.jpg] [image: 566%20-%20AAhtSIJ.jpg] [image: 572%20-%20eQrEf5r.jpg] [image: 525%20-%20vYwhsZ4.jpg] [image: 531%20-%20Zr5VhXc.jpg] [image: 537%20-%205NCbHEK.jpg] [image: 543%20-%20ANsnPf7.jpg] [image: 549%20-%20xRM4BYZ.jpg] [image: 555%20-%20DU2szdK.jpg] [image: 561%20-%20oGUnRV3.jpg] [image: 567%20-%20dXvDqft.jpg] [image: 573%20-%207O8TJxM.jpg] [image: 526%20-%20CUfbGT3.jpg] [image: 532%20-%20Lgmi1fz.jpg] [image: 538%20-%20XOuR8bC.jpg] [image: 544%20-%20BTHEMKH.jpg] [image: 550%20-%202NkDnu5.jpg] [image: 556%20-%20M38YVVU.jpg] [image: 562%20-%20yHvzRXZ.jpg] [image: 568%20-%20nOyAdlG.jpg] [image: 574%20-%20HR9eM8S.jpg] [image: 527%20-%20XzXj2Pd.jpg] [image: 533%20-%202u5B7o2.jpg] [image: 539%20-%20Ff3zEzr.jpg] [image: 545%20-%20SIUMll0.jpg] [image: 551%20-%20BOjpBHn.jpg] [image: 557%20-%20ODWI634.jpg] [image: 563%20-%20DLkSgjO.jpg] [image: 569%20-%20w80ukUg.jpg] [image: 575%20-%20qQjDAfH.jpg] [image: 528%20-%20joltsgS.jpg] [image: 534%20-%20n09ORnT.jpg] [image: 540%20-%20iy3pxJJ.jpg] [image: 546%20-%20lBAaOm4.jpg] [image: 552%20-%206Cxgsk7.jpg] [image: 558%20-%20gzKq6zs.jpg] [image: 564%20-%20t8yAfL3.jpg] [image: 570%20-%20BGqozKz.jpg] [image: 576%20-%20KtZbFfW.jpg] [image: 529%20-%20mS47wbz.jpg] [image: 535%20-%20Eh1YUjR.jpg] [image: 541%20-%20V6uEQ9H.jpg] [image: 547%20-%2036SNa2q.jpg] [image: 553%20-%20w4i6RiZ.jpg] [image: 559%20-%20aFuP1z3.jpg] [image: 565%20-%20R04SDeo.jpg] [image: 571%20-%20xhat3cF.jpg] [image: 577%20-%200pt2AkT.jpg]

Reposting images as Imgur longer viable in the UK. [image: 426%20-%20z8X4MA8.jpg] [image: 432%20-%20cIB3ihU.jpg] [image: 437%20-%20EkRFDLn.mp4] [image: 444%20-%20X1Tp1hy.jpg] [image: 449%20-%20WDcVoDR.jpg] [image: 655%20-%201IX9tbu.jpg] [image: 660%20-%20iFH9zSC.jpg] [image: 665%20-%20yMjB5A6.jpg] [image: 428%20-%20Ekc1MIb.jpg] [image: 433%20-%20uUIpD9T.jpg] [image: 440%20-%209SPg3Bp.jpg] [image: 445%20-%20pwTT0dH.jpg] [image: 450%20-%20Ecrtcbd.jpg] [image: 656%20-%20g1RDwxa.jpg] [image: 661%20-%20RPp4LsA.jpg] [image: 666%20-%20sakiJee.jpg] [image: 429%20-%20fUlOmQh.jpg] [image: 434%20-%200kcGkbK.jpg] [image: 441%20-%209EWjTJL.jpg] [image: 446%20-%20a5vfthp.jpg] [image: 459%20-%20FZyQaWB.png] [image: 657%20-%20secyLjL.jpg] [image: 662%20-%20Ahkbrdo.jpg] [image: 669%20-%20bWIASOf.jpg] [image: 430%20-%20Mv4bb73.jpg] [image: 435%20-%20JVKKTzg.jpg] [image: 442%20-%20c6xaqQE.jpg] [image: 447%20-%20E5eE1FU.jpg] [image: 640%20-%209tkl1ib.jpg] [image: 658%20-%20mLNN6NF.jpg] [image: 663%20-%208VaAb8U.jpg] [image: 670%20-%20ZXNX5z9.jpg] [image: 431%20-%206T4S9rc.jpg] [image: 436%20-%20ki8usO2.jpg] [image: 443%20-%20KQFc9rT.jpg] [image: 448%20-%208e7jO7A.jpg] [image: 654%20-%20h0ikXj9.jpg] [image: 659%20-%20S0pJ0sx.jpg] [image: 664%20-%20QGnbxWG%20-%20Cagiva%20Raptor%20125.jpg]

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Reposting images as Imgur is no longer viable in the UK. [image: 461%20-%205vvSoKx.jpg] [image: 583%20-%20FtgaJas.jpg] [image: 599%20-%20QhV9ilu.jpg] [image: 623%20-%20YmSxu9Y.jpg] [image: 639%20-%20q45IZqg.jpg] [image: 681%20-%20lf2cxJc.jpg] [image: 699%20-%207ViGgSp.jpg] [image: 742%20-%20ya7wEmi.jpg] [image: 758%20-%20OmUYdh6.jpg] [image: 462%20-%20VzBknEo.png] [image: 584%20-%20ePvJHVp.jpg] [image: 600%20-%20K1YEJQd.jpg] [image: 624%20-%20TbEBljO.jpg] [image: 645%20-%20cg0Uz6s.jpg] [image: 682%20-%201IB03Ns.jpg] [image: 700%20-%20YThbBD0.jpg] [image: 743%20-%20JIVdVsi.jpg] [image: 759%20-%20GZoJj4q.jpg] [image: 497%20-%202d2wWzC.jpg] [image: 585%20-%20bqzY84X.jpg] [image: 601%20-%208puV3kF.jpg] [image: 625%20-%20PWx3Upn.jpg] [image: 646%20-%20rAdSOek.jpg] [image: 683%20-%20T62bjLH.jpg] [image: 728%20-%20mK4RcCy.jpg] [image: 744%20-%20bK0oMPu.jpg] [image: 760%20-%203AEcKCy.jpg] [image: 498%20-%20Hdokp2Y.jpg] [image: 586%20-%20cRxJzNz.jpg] [image: 602%20-%20Df1Eq3y.jpg] [image: 626%20-%20vh3BbFT.jpg] [image: 647%20-%20HSpSPEW.jpg] [image: 684%20-%20NkQXTne.jpg] [image: 729%20-%20R6PbsJr.jpg] [image: 745%20-%20Usz6oOA.jpg] [image: 761%20-%20Fy3yXKn.jpg] [image: 499%20-%20RbWhn3G.jpg] [image: 587%20-%209M6AM03.jpg] [image: 603%20-%20cx8pnhg.jpg] [image: 627%20-%20UFar5FV.jpg] [image: 648%20-%20pISHy2k.jpg] [image: 685%20-%206DItFOR.jpg] [image: 730%20-%20GBoM5QJ.jpg] [image: 746%20-%20rSJODew.jpg] [image: 764%20-%20JQleX2R.jpg] [image: 500%20-%20rLDUF6R.jpg] [image: 588%20-%2043XjJrV.jpg] [image: 604%20-%20PAxaHno.jpg] [image: 628%20-%20PU1ExQh.jpg] [image: 649%20-%20G92p6Xj.jpg] [image: 686%20-%204FkASuY.jpg] [image: 731%20-%20fV1JSZI.jpg] [image: 747%20-%20r31AbBP.jpg] [image: 765%20-%20m2jmkY1.jpg] [image: 501%20-%204dkIv99.jpg] [image: 589%20-%20ywI8kdx.jpg] [image: 605%20-%20dF6dttM.jpg] [image: 629%20-%208erXixA.jpg] [image: 650%20-%20NKGpzo7.jpg] [image: 687%20-%20pIgxuK3.jpg] [image: 732%20-%200CHxH7i.jpg] [image: 748%20-%20WehypcZ.jpg] [image: 766%20-%20bMyUcM7.jpg] [image: 502%20-%20AzPbLqi.jpg] [image: 590%20-%20qcgpLUl.jpg] [image: 606%20-%20HegYCTa.jpg] [image: 630%20-%20Tq5pSak.jpg] [image: 651%20-%20FeWIwvk.jpg] [image: 688%20-%20lLpoLH0.jpg] [image: 733%20-%205PsC9UK.jpg] [image: 749%20-%20y0qygmn.jpg] [image: 767%20-%20beNNGUv.jpg] [image: 503%20-%20Et1vixn.jpg] [image: 591%20-%20AaWYApR.jpg] [image: 607%20-%205AMbwAG.jpg] [image: 631%20-%20717U2MW.jpg] [image: 652%20-%20f6OMsgj.jpg] [image: 689%20-%20bGFdjTq.jpg] [image: 734%20-%20i5BynBz.jpg] [image: 750%20-%20bEMTpTs.jpg] [image: 768%20-%20nURkvQK.jpg] [image: 504%20-%209xV6Fwj.jpg] [image: 592%20-%20s2CYSOh.jpg] [image: 608%20-%20sS0uajA.jpg] [image: 632%20-%20hBqQI1f.jpg] [image: 653%20-%20RcKZNNB.jpg] [image: 690%20-%203nIHYP9.jpg] [image: 735%20-%20lXe8Hcx.jpg] [image: 751%20-%20jL1zGdw.jpg] [image: 773%20-%20V9jlvnt.jpg] [image: 505%20-%20cXMkAGU.jpg] [image: 593%20-%20wfMh2GP.jpg] [image: 614%20-%208FFHrxB.jpg] [image: 633%20-%20pXYC9vj.jpg] [image: 675%20-%20c3p8cuv.jpg] [image: 691%20-%202jy2hnP.jpg] [image: 736%20-%20qeoTqNM.jpg] [image: 752%20-%20cuewAeY.jpg] [image: 774%20-%207k2txzW.jpg] [image: 578%20-%20tViWSao.jpg] [image: 594%20-%20rw7x1Ma.jpg] [image: 615%20-%20STyi6iL.jpg] [image: 634%20-%206gtVyzK.jpg] [image: 676%20-%20I9JNEk7.jpg] [image: 692%20-%20biSNHOu.jpg] [image: 737%20-%20tG56VaN.jpg] [image: 753%20-%20HwZdTZw.jpg] [image: 775%20-%202QH7PxV.jpg] [image: 579%20-%20rONlyst.jpg] [image: 595%20-%20bXh8o3C.jpg] [image: 616%20-%20z2gxScw.jpg] [image: 635%20-%20X9Ru0jx.jpg] [image: 677%20-%20DzEpFNa.jpg] [image: 695%20-%20jPQyO5z.jpg] [image: 738%20-%20OqdSVeR.jpg] [image: 754%20-%20SyyH0qs.jpg] [image: 776%20-%201CoLTaZ.jpg] [image: 580%20-%20v6pYIce.jpg] [image: 596%20-%20PzGi9Vx.jpg] [image: 617%20-%207DRwRwf.jpg] [image: 636%20-%207wwSguv.jpg] [image: 678%20-%20L77w0p6.jpg] [image: 696%20-%20KbvSy6S.jpg] [image: 739%20-%20BmcW6fi.jpg] [image: 755%20-%20YGR0dxG.jpg] [image: 777%20-%20ILujNIK.jpg] [image: 581%20-%20hIlnAnX.jpg] [image: 597%20-%20UnZcc01.jpg] [image: 618%20-%20StjPnSh.jpg] [image: 637%20-%20a9nTKHB.jpg] [image: 679%20-%20ZIZCJEJ.jpg] [image: 697%20-%2028lJF3K.jpg] [image: 740%20-%20r9aFiDa.jpg] [image: 756%20-%20iGR4VtG.jpg] [image: 778%20-%202aP5114.jpg] [image: 582%20-%20pAw9Pgb.jpg] [image: 598%20-%20WhX0UIT.jpg] [image: 619%20-%2081U5Tti.jpg] [image: 638%20-%20ekRZ4bT.jpg] [image: 680%20-%205b4ts15.jpg] [image: 698%20-%20Rswdydd.jpg] [image: 741%20-%2004Vt85P.jpg] [image: 757%20-%20H2VD1je.jpg]

Reposting images as Imgur is no long viable for the UK. Still got this though, haven't done anything to it for a very long time. [image: 453%20-%20x0jpVpU.png] [image: 456%20-%20bNdIdCR.jpg] [image: 460%20-%20rrwuMs3.jpg] [image: 465%20-%20P6kNxBo.jpg] [image: 468%20-%20VBaM7uZ.jpg] [image: 471%20-%20pjhMrGX.jpg] [image: 474%20-%20mXD3FNx.jpg] [image: 496%20-%20Syqdd2W.jpg] [image: 673%20-%20KZc9g5J.jpg] [image: 454%20-%20LJfXUwR.png] [image: 457%20-%20Aw1qpl4.png] [image: 463%20-%20F42hBSc.jpg] [image: 466%20-%20g6GSmgS.jpg] [image: 469%20-%20PwDaCHs.jpg] [image: 472%20-%20MnFlCk5.jpg] [image: 475%20-%20WE0swkl.jpg] [image: 667%20-%20PdA0H8Y.jpg] [image: 674%20-%20DQukIxO.jpg] [image: 455%20-%20dEa7GdN.png] [image: 458%20-%20hp9uvW7.jpg] [image: 464%20-%20dXkJ2WI.jpg] [image: 467%20-%20OSvNhUh.jpg] [image: 470%20-%20vP7aXtr.jpg] [image: 473%20-%20LWGhMAq.jpg] [image: 476%20-%20w5iEkam.jpg] [image: 668%20-%20wIU7bkI.jpg]

Have you earthed the green/black wire? Sounds like a restriction. Where is this PWK from? Is it a good quality carb? Although not the source of your problem here, as the demand/load on the engine increases, the reliability of the fueling also becomes more important. What might be fine in lower gears, presents problems further afield.

..and you need the battery too, not just the regulator. Forgot to write that

Thanks for that I ll go through it at weekend

@lucasg.03 I wouldn't go for a Pipercross air filter element to be honest, the stock one is perfectly adequate if properly maintained. Interestingly I once bought a Twin Air DT125R element which was a bit too small to fit over the plastic cage properly, meaning the base wouldn't seat where it's supposed to seal against the airbox body. I've also noticed some "tuners" on the DTR Facebook pages saying foam filter oil restricts power output. This is most definitely NOT the case; compare the surface area of the air filter element with the 28mm carburettor bore and there's no way a properly oiled filter could measurably reduce airflow. You're better off getting 3-4 Yambits air filters which are just as good as stock but half the price; then establish a routine for cleaning and re-oiling them. Put the clean oiled ones in a plastic bag and you can quickly throw on a fresh one after every wash/off-road ride. Jet washing the bike and not changing the air filter/going for a short ride is a leading cause of ruined crankshafts on two-strokes, you only need like half a cup of water to creep in to knacker the mains/big end. And a clean air filter cuts down on a lot of other aggro; you see it all the time with RC car racing. Because a 1/8th buggy air filter is only the size of a 35mm film capsule it starts to affect throttle response after about 7 minutes on a dry dusty track. A lot of the guys at my local club used to try and play the Big I Am Tuning Wizard by endlessly twiddling the mixture screws but all they were doing was reducing the flow of fuel to match the reduced air flow (i.e less power). Whereas changing the air filter = getting your hands dirty; no cool points for the Bloke Down The Pub even though it means the engine just runs well and doesn't suck dirt right through the day. Also the DTR airbox is poorly sealed where the carb-to-airbox boot meets the airbox (i.e downstream from the filter); it can be very helpful to seal this up with a product called Seal-All which is a petrol- and oil-resistant glue. You really need to remove the airbox completely to do this which means the shock needs to come out but this is easier than it sounds and you get to grease up the linkage bearings at the same time. https://yambits.co.uk/dt125re-air-filter-p-9241.html https://www.repairingproducts.co.uk/.../seal-all-gas-oil.../ [image: 53107628675_b20a021b82_b.jpg]

Just measure from the inside of the fork leg to the rim on each side, +-2mm should be ok I think. If you release the nuts on the axle clamp on the right side (if I remember correctly) and pump the front suspension up and down, and then re-tighten, it should not bind. If the seals wear out too quickly, I would check the surface of the fork tubes, so they are not damaged (pitted from rust, flaking chrome etc.)

Due to Imgur being blocked in the UK, I've had to rehost these images. Maybe I'll reorganise it at some point, but need to do this for all my projects [image: 706%20-%200I64IKK.jpg] [image: 707%20-%20kiFkXF0.jpg] [image: 708%20-%20NsOS570.jpg] [image: 709%20-%200SRgIcz.jpg] [image: 710%20-%20YRRwFIt.jpg] [image: 711%20-%204KsUVqJ.jpg] [image: 712%20-%20oRn2HN1.jpg] [image: 713%20-%20zJa3HdV.jpg] [image: 714%20-%202HICne6.jpg] [image: 715%20-%20ZkNBoOl.jpg] [image: 716%20-%20MMgf3Cm.jpg] [image: 717%20-%20sO4aX6K.jpg] [image: 718%20-%20fHYBkpE.jpg] [image: 719%20-%20ZrkY7k6.jpg] [image: 720%20-%206u25W4U.jpg] [image: 721%20-%20e2HmT5S.jpg] [image: 722%20-%20PxEEsO1.jpg] [image: 723%20-%20UmkUVAr.jpg] [image: 724%20-%20Dw0dU1d.jpg] [image: 725%20-%20hQnDI8H.jpg] [image: 726%20-%20w2mgN80.jpg] [image: 727%20-%20dyHdQ8o.jpg] [image: 762%20-%20faXVi2L.jpg] [image: 763%20-%20L5TZajj.jpg]

I'm sure someone here will be able to point you in the right direction. What we've been seeing in recent times are a lot of DTRs being imported from Europe, these can come with subtle differences, this may be the case here. This is the 3NC wiring diagram. [image: 52172141696_84e3b69382_b.jpg] I only have a Haynes manual so can't speak for what other diagrams look like. I have also hosted the workshop manuals here: https://dt125r.co.uk/topic/3258/yamaha-dt125r-200r-workshop-manual https://training.dt125r.co.uk/files/Yamaha_DT125_Workshop_Manual.pdf This may be useful.

@Calum maybe i could check the exhaust to be sure indeed, ill try that first. Some time has passed and it suddenly was gone but came back after a short while, very weird haha. The spark plug color is deer brown so a little rich but more for climate purposes because in Belgium the weather is so annoyingly unpredictable. But it would be weird if it was fuel related. Because it drives very well in alle the conditions for the past 300km. A have a bad habit to be a perfectionist so i can break my mind about to find the cause haha.

Lovely stuff, thanks a lot Hotshott! I’ve just seen that it’s a two cable powervalve servo actually that I need. I remembered wrong. Don’t know if that’s easier or harder to source will have a look today. Cheers for the info about cable pulleys I’ve already connected the yambits one I bought. Will review this when I get myself a servo from somewhere. All the best Dominic