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DT125R FORUM

H

henkkqa

@henkkqa
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  • Please help! Dtre 07 not working properly?
    H henkkqa

    @Calum yeah well im not really sure where to get OEM cdi and statir and all of that, also would be a bit hard to fit them since the crankshaft i have is designed for those what do not have a woodruff key on the magneeto

    And also HPI isnt chinese racing wirings, their a legit and quality company that are almost the same as Ignitech ignition. Just a little cheapwr but those still run up to 300-350€

    But yeah very weird problem i doubt that its about the electricals its veru unlikely there is definently something wrong on the mechanism side.

    DTRE

  • Please help! Dtre 07 not working properly?
    H henkkqa

    @Calum yes, i've had it running perfectly with the electricals and no issue what so ever on the electrical side only when i first bought the bike and fiqures the electrics out.

    Not sure what you mean by the static stuff since english isnt my home language. But i can assure that the electrics are all fine ive checked them and those arent the issue, compression has always been low but not to the point that it causes anything since that would be an easy fix, so in my mind it has enough and good compression, could be better.

    Ive tried also shortening the sparkplug coil so it has freah cooper to connect to and still nothing changed. Problem mainly is that it backfires still and ive tried so much to get it working but nothing seems to work, ive diagnosed the whole bike to what i can and everything is fine but something technical is making that problem since piston, gaskets, valves, all of that are find and dont have any issues. Kind of a mystery problem

    Also asked a friend to help out and he said that Possibly couldve stator gone bad but i very highly doubt it since it does get spark very nicely and when i get the bike running it works

    One detail also about the bike is that when i get it running it runs perfect for like 15minutes, but then randomly out of nowhere it just shuts off. Trying to start it with the momentum itll just do the normal 2 stroke noice but then also after a bit does "bobobo" and its repetetive. Not sure what that implies to.

    DTRE

  • Please help! Dtre 07 not working properly?
    H henkkqa

    @Calum athena head gasket is what i have and everything is fitted right, not sure what i meant by new coil since it was pretty late when i made the post but definently a new plug is in. Ive tried everything and havent had any progress. HPI is racing electricals which arent chinese, so all the wiring is custom made for lights and such but kt doesnt support 12v DC.

    Still same problem that it backfires, starts weakly when bump starting and kickstart doesnt even promise

    DTRE

  • Please help! Dtre 07 not working properly?
    H henkkqa

    Hello, my dtre has a strange problem and ive tried everything to fix it nothing has worked.

    Problem is that it backfires through the exhaust not carb side.

    Originally the problem was a blown head gasket since during a ride w my dad my dtre over heated and blew the gasket, i got new gaskets and also resurfaced the head, yet still has the same peoblem

    I've confirmed it gets gas, spark and everything else it needs.

    Ive tried
    New plug
    New coil
    Adjusting the timing (i have HPI igniton)
    New reeds
    Also has a new piston set.

    I need to fiqure out whats the problem so i can finally start going to work with it.

    Any suggestion or advice is really usefull

    DTRE

  • Ypvs with AC wiring
    H henkkqa

    My dt has AC wiring, mainly because it has HPI electrics. I was wondering is it possible to use the ypv system with ac wiring? If so how? I have regulator for lights and such but since the voltage output changes with the rpms i dont know if it would ruin the servo or not. Or should i add a small battery where servo gets its power? Really dont know and also i sont have an ingition key system since it has AC wiring.

    Electrics

  • Dt125re 07, top speed gettin restricted/hitting a wall?
    H henkkqa

    So i have a dt125re 07. Everything works and is all good on it, it runs well shifts nice and speed is nice thru out 1-5gears. On 5th gear im hittibg around 100km/h and on 6th im hittin 105? With rpms lowish but the rpms also dont get any highwr than like i'd say 6-8k. I dont have a rpm meter or anything that shows rpm thats why im guessing. The bike doesnt have servo motor or anything else on the ypvs, it only has the covers and the valves. Carb is tuned to as good as i can get it.

    Setup
    34mm pwk
    Ported ypvs valves.
    Boyesen reed valves
    Athena full piping
    125cc

    If anyone can help me fiqure this out i would appreciate it alot, and vefore you say i need to buy the whole ypvs system i will be doing that as soon as i find one!

    Tuning
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