Derestrict yamaha dt 125 r 1997
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Have you reconnected the CDI wiring up properly? The reed switch tells the CDI when the bikes doing 60mph then the CDI restricts the revs…
Get it all running properly before even trying to de-restrict it…
Also disconnecting the speedo cable should work, as the bike won’t ‘know’ it’s doing 60…
wrote on 21 Apr 2023, 09:52 last edited by@SpookDog i have looked over the wiring and its good and the cdi wiring is good, but the reed switch wires were broken at one point and i melted the wires together with a soldering iron.
But im doing a full rebuild in a couple of months then ill know if something is broken and i think i will document it here. -
@SpookDog i have looked over the wiring and its good and the cdi wiring is good, but the reed switch wires were broken at one point and i melted the wires together with a soldering iron.
But im doing a full rebuild in a couple of months then ill know if something is broken and i think i will document it here.wrote on 21 Apr 2023, 11:44 last edited by@Mr-Shadi i moved the reed switch, cut wires and did a lot of things but when the reed is out of its slot the bike won't rev over 6k in 2nd 3rd 4th 5th and 6th gear, but when the reed is in its slot it only doesn't rev when 80km/h. I even pulled the reed out a little bit and it didnt rev over 6k. Very weird
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@Mr-Shadi i moved the reed switch, cut wires and did a lot of things but when the reed is out of its slot the bike won't rev over 6k in 2nd 3rd 4th 5th and 6th gear, but when the reed is in its slot it only doesn't rev when 80km/h. I even pulled the reed out a little bit and it didnt rev over 6k. Very weird
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@Mr-Shadi
That is weird! It’s good that you’re experimenting with it…
I think that you might have the one that needs a CDI wire cut and earthed. I’ll try and do some reading and let you know
…wrote on 21 Apr 2023, 12:58 last edited byLook for a green/black wire on your CDI unit. Let me know if you find one…
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@SpookDog i dont see one. here are some pics
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It might be a different colour on account of the weird RN thing…
From what I’ve read people move the reed switch then cut & earth a black/green wire…
wrote on 22 Apr 2023, 11:54 last edited by@SpookDog i think if i take the other bikes wiring diagram with black green and then my wiring diagram and then determine witch wire does what. like compare the wire colors for example its bike has red wire as power mine has orange. just a example not reality.
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It might be a different colour on account of the weird RN thing…
From what I’ve read people move the reed switch then cut & earth a black/green wire…
wrote on 22 Apr 2023, 11:59 last edited byHang on bud! Your bike is a Dt125RN you said? Did you mean a Dtr125 3rn? This would make more sense!
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Hang on bud! Your bike is a Dt125RN you said? Did you mean a Dtr125 3rn? This would make more sense!
wrote on 22 Apr 2023, 12:22 last edited by SpookDogJust counted CDI wires on the 3rn diagram in my Haynes manual and it says 11 wires from the CDI. How many have you got?…
I’m just curious cause it doesn’t show the reed switch or any wiring to the speedo on the diagram, guess they wouldn’t show the restriction though! … -
Just counted CDI wires on the 3rn diagram in my Haynes manual and it says 11 wires from the CDI. How many have you got?…
I’m just curious cause it doesn’t show the reed switch or any wiring to the speedo on the diagram, guess they wouldn’t show the restriction though! … -
@SpookDog i also looked under the speedo and there is a white little box with blue and green red wire coming out of it. i tought it was a light but when i looked it had a little space between 2 metal thingies in it and it was covered with glass. Is that the reed switch?
wrote on 23 Apr 2023, 14:54 last edited by@Mr-Shadi this is a reed switch. If you look at it, it looks to be a broken fuse. When the speedo hits 61 mph it sends an electro magnetic signal and closes the switch which retards the ignition and closes the powervalve back up. Either move it far away from the clocks so the magnet can't reach it or cut it off and keep the wires apart.
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@Mr-Shadi this is a reed switch. If you look at it, it looks to be a broken fuse. When the speedo hits 61 mph it sends an electro magnetic signal and closes the switch which retards the ignition and closes the powervalve back up. Either move it far away from the clocks so the magnet can't reach it or cut it off and keep the wires apart.
wrote on 24 Apr 2023, 08:33 last edited by@markus-w if i cut it off the bike wount rev over 6k and if i move it it randomly restricts it to 6k rpm. then i need to come to a stop and it revs over 6k.
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@Mr-Shadi this is a reed switch. If you look at it, it looks to be a broken fuse. When the speedo hits 61 mph it sends an electro magnetic signal and closes the switch which retards the ignition and closes the powervalve back up. Either move it far away from the clocks so the magnet can't reach it or cut it off and keep the wires apart.
wrote on 24 Apr 2023, 08:35 last edited by@markus-w and my reed switch allows me to go only 80km/h thats 49.7097 mph
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We need to find out what wires need to be cut and earthed. On my tzr 4hw there are 2 wires that have been cut, joined and earthed by previous owners. A black with lavender-blue stripe and a grey…
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@SpookDog that would be the thing if there was a good electrical scheme of my 4bl 1997 bike
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wrote on 24 Apr 2023, 12:58 last edited by SpookDog
I’ll look for a 4bl (I’ve never heard of a 4BL, you sure it’s not 4DL?) wiring diagram…
It is bl just checked
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I’ll look for a 4bl (I’ve never heard of a 4BL, you sure it’s not 4DL?) wiring diagram…
It is bl just checked
wrote on 24 Apr 2023, 13:11 last edited by SpookDogWhat colour is the wire going to the reed switch? Also what colour wire returns from it, if different?…
is it red/blue?! with a white/black wire returning?!
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@Mr-Shadi i moved the reed switch, cut wires and did a lot of things but when the reed is out of its slot the bike won't rev over 6k in 2nd 3rd 4th 5th and 6th gear, but when the reed is in its slot it only doesn't rev when 80km/h. I even pulled the reed out a little bit and it didnt rev over 6k. Very weird
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wrote on 26 Apr 2023, 13:05 last edited by Hybrid_Theory01
Hey guys, my CDI has 2 plugs with like 4 wires coming out and plugging into themselfs, has anyone seen this before or should I send a picture to this chat? Its at least weird but Thats how i bought the bike
