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DT125R FORUM

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  2. Tuning
  3. Top End
  4. Cylinder head

Cylinder head

Scheduled Pinned Locked Moved Top End
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  • BluestoesonnoseB Offline
    BluestoesonnoseB Offline
    Bluestoesonnose
    wrote on last edited by
    #1

    Is there anything that can be done to the head to improve the performance of the motor? I've had a look through a few topics but can't see anything, just asking as my heads off to check the bore and piston and to get the plug hole helicoiled.

    Cheers

    2002 DT125R

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    • CalumC Offline
      CalumC Offline
      Calum
      wrote on last edited by
      #2

      Yeah. The head is where the majority of the power is made. So yes. you can have the head reworked to alter the squishband.

      Really you need to speak to a tuner to understand what it is you're after, where you want the power to be made and what ignition setup you're running.

      Always Originate, Never Pirate!

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      • BluestoesonnoseB Offline
        BluestoesonnoseB Offline
        Bluestoesonnose
        wrote on last edited by
        #3

        Many thanks, do you know anyone reliable and proven I could contact?

        Got a DEP system and Zeel CDI, only looking for it to pull a bit harder not rev higher, make it more usable on the road.

        Cheers

        2002 DT125R

        CalumC 1 Reply Last reply
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        • BluestoesonnoseB Bluestoesonnose

          Many thanks, do you know anyone reliable and proven I could contact?

          Got a DEP system and Zeel CDI, only looking for it to pull a bit harder not rev higher, make it more usable on the road.

          Cheers

          CalumC Offline
          CalumC Offline
          Calum
          wrote on last edited by
          #4

          @Bluestoesonnose You can get the engine ported and tuned to make more power in the mid range, rather than peak power.

          Again, speaking to a tuner will be able to highlight what needs to be done.

          I don't know if he's still knocking about, but Mick Abbey might be able to help.

          When I spoke to him last, he provided free consultation, then I sent the barrel, powervalve and head off to him to work his magic. But he said it would be pointless without an aftermarket ignition system.

          Always Originate, Never Pirate!

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          • BluestoesonnoseB Offline
            BluestoesonnoseB Offline
            Bluestoesonnose
            wrote on last edited by
            #5

            Cheers, I'll call around and see if its cheaper than a big bore kit

            2002 DT125R

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