56 Responses

  1. Jason
    Jason at |

    I can’t find any information specific to my big chief 49cc scooter. Are you familiar with them?

    Reply
  2. Joaquin
    Joaquin at |

    Hi daniel, first and most thank for all the information given, very helpful.
    I just bought a honda nsc50r similar to the vision model. It is a 50cc 4t and it is CDI Restrited !!! A nightmare!!!! The CDI is a black box with 33 pins and i have expended sooooo much time trying to get a derestricted one online but there is nothing out there!!! I am quite desperate about it it is so unsafe 28mph!!!! I am hoping that you know some website where they sell this.

    Thanks a lot!!

    Reply
    1. tad
      tad at |

      Hi I had a eureka moment with same ped Honda nsc 50. Fit the nsc 110 cdi instead it has same fitting type and takes 5mins .It is still rev limited but not as much and has more umph combine with malossi variator for easy 50mph.

      Reply
      1. Stewart
        Stewart at |

        Where is the cdi located on the nsc50?

        Reply
      2. km
        km at |

        Hello tad,

        Are you sure for the nsc 110 cdi instead the nsc 50 cdi ? This solution is really works ? Do you have tested it ?

        Thanks very much for your answer !

        Sorry for my very bad English ?

        Reply
      3. Liam
        Liam at |

        Hi I have the nsc50 with Mallossi variator.i am getting 60 km on flat..I haven’t changed cdi yet but like to know if you can advise me to which cdi and what sort of results.

        Reply
    2. Sean
      Sean at |

      Nsc 110 cdi fits and mallosi variator

      Reply
  3. steve
    steve at |

    Ive hired a pcx 125 in Thailand and it never goes above 98kph uphill or downhill

    the power stops everytime until it goes below 98 or bounces around if the throttle is kept open – because there’s no variation in when this happens it seems like its been restricted in some way

    Reply
  4. Dave
    Dave at |

    Hi Daniel I have a peugeot kisbee 50cc 2013 plate the blue wire on cdi unit as been pulled apart and I’ve been told to cut or pull out pink wire near battery is this correct …Please help ??
    Thank you
    Dave

    Reply
  5. reggie simmons
    reggie simmons at |

    Hi all i got a honda x8r on a 02 plate. Im after a derestrited cdi or someone who can derestrict them. Not paying silly mallossi price there has to be a cheaper alternative

    Reply
  6. karll
    karll at |

    Is the honda fes pantheon 125cc,2006 restricted

    Reply
  7. karll
    karll at |

    Is the honda fes restricted in any other way. And thanks daniel

    Reply
  8. Martin
    Martin at |

    Is there any difference between Yamaha’s 2st and 4st cdi units? I wanna do a proper order and get an unrestricted cdi unit for my 2015 aerox 4st. I asked racing planet but I didn’t get any response. Help, please:) Thanks!

    Reply
  9. Miles
    Miles at |

    So I have a 2014 ice bear 50cc trike. I have replaced some parts with aftermarket in hopes of reaching a decent speed. So far it includes : air filter, rejetted carb, plug wire, and a racing cdi box. For some reason I STILL don’t gain any speed going down hill. Is there another restriction that can cause this besides the box? My next hope is the variator ring but I haven’t gained any speed. Just boosted acceleration

    Reply
  10. Madmax
    Madmax at |

    I have Peugeot Django Sport 50cc 4T scooter and we try to find solution to
    unrestricted it.
    We didn’t find any restrictors from the variator etc.
    So CDI is restricted.
    Our django CDI box is 6pin + extra wiring for variator. Cdi have number QP5-45 D50-LK39 5A1
    Can you help us in this case, where to find unrestricted cdi or is it same with some other model?

    Reply
    1. Alex
      Alex at |

      Hi Madmax, did you find a solution? I have the same “issue”… Thanks

      Reply
  11. Adam
    Adam at |

    Thank you for posting a good article about the subject nevertheless I’m still stuck with my problem. Maybe someone fro you guys know the solution for my scooter. It is SYM Mio 50cc 2008 4 stroke carburetor I believe it has restricted cdi for sure I just can;t find replacement. Planet racing offers original restricted cdi and not any unrestricted. I know it is possible to take unrestricted chineese cdi and somehow swap the wireing but I have no idea which and how. I kindly thank you for any help in advance.

    Reply
  12. Sam
    Sam at |

    I have a aerox 4st 2015. Do you know what i can do to make IT faster?

    Reply
  13. Vine
    Vine at |

    I can’t find unresrticted CDI for Sym Symphony ST 50 4T year 2015, engine xs1p37qma-2.

    Reply
  14. Lawrence Co
    Lawrence Co at |

    Does anyone have a cdi for honda ruckus.

    Reply
  15. Jeremy
    Jeremy at |

    Hey, im looking to get an unrestricted CDI for my 2012 yamaha BWs (or Zuma) but im not sure which one is appropriate for my scooter, all I’ve found is that a GY6 one would possibly work. Is that right? Thanks!

    Reply
  16. David wilkes
    David wilkes at |

    I have a kymco agility 50 if I purchased unrestricted dci would this alone make it quicker

    Reply
  17. Clayton Seneca
    Clayton Seneca at |

    Hi Daniel, thank you for sharing your knowledge. I just bought a Lance (Sym) Cali Classic 50. What is your suggestion for derestriction setup? Which CDI, etc. should I purchase?

    Reply
  18. Igor
    Igor at |

    Hi, I have agility CITY 50 2t…does anyone know if the CDI is restricted and if it is how to derestrict it… Thanks…

    Reply
  19. david corley
    david corley at |

    could someone tell us please how to derestrict a yamaski 50 geared bike 2016 model

    Reply
  20. Martin
    Martin at |

    Hi how to know if the cylinder connection is inclinedor stright?

    Reply
  21. Anthony
    Anthony at |

    Hi I have a 2015 Tao Tao Thunder 50cc Scooter and I was watching a video on how to derestrict an older model to make it go faster. Well I followed the instructions in the video and when i opened the battery area there is No pink wire on the CDI. I just need to know did they change the color or is mine not restricted.

    Reply
  22. lindsey
    lindsey at |

    HI my son has a lexmoto echo 50cc, we bought a derestricted cdi and fitted it and the ped started once and then would fire at all, have we done something wrong or missed something.

    Reply
  23. Mark Timony
    Mark Timony at |

    I have a 2001 & 2003 vespa ET- 4.(150cc’s). What do I need to bypass them? My scooter shop thinks they are rpm restricted by a computer. This sounds like your description of the CDI type. Is this correct? If so, what other modifications are needed? (fuel to air mixtures)?

    Thanks so much!
    Mark Timony
    Timony123@gmail.com
    843 754 6656

    Reply
  24. Barry Martin
    Barry Martin at |

    Hello I have a 2012 Piaggio Fly 50cc 4v that I am trying to purchase a derestricted cdi for. Any help? Thank You

    Barry Martin
    mjjm0902@gmail.com
    813-562-5966

    Reply
  25. Nikolas
    Nikolas at |

    Good evening Hi I have the 50cc MIO have improved cylinder 63 CC – Bill 9 grams. and goes 65 km, bought from the planet CDI struggle and worse …. you suggest me something;
    and when the throttle cut or feeders……..please answer would go crazy….sorry for my English

    Reply
  26. Nikolas
    Nikolas at |

    Good evening ….
    Hi I have the 50cc MIO have improved cylinder 63 CC – Bill 9 grams. and goes 65 km, bought from the planet CDI struggle and worse …. you suggest me something;
    and when the throttle cut or feeders……..please answer would go crazy….sorry for my English…. :(

    Reply
  27. Louis
    Louis at |

    Hi
    I have a kymco agility 50 cc..
    I heard it’s a matter of cutting the cdi at a particular location and that will do it.
    Whats your opinion?
    Louis

    Reply
  28. Lukas
    Lukas at |

    Hi guys,

    Can anyone give me a link where i could but derestriced cdi unit for my honda nsc50r, please?

    thanks

    Reply
  29. Lukas
    Lukas at |

    I have chanted the variator in my nsc50r and that helped a little bit with soeed i was thinking if changing the clutch to malossi would help too? Does anybody know which derestricted cdi unit fits honds nsc50r?

    Thanks

    Reply
  30. Tiny
    Tiny at |

    Nice write up Mate. My 150cc(2013 KYMCO Movie) Scooter has a restricted CDI. S you stated above I noticed this as I was headed down a steep hill and it would not rev nor accelerate past 9200RPM/105KPH. The only problem I’m having is trying to find a CDI to replace it.
    Again nice write up.

    Reply
  31. Jason
    Jason at |

    Hello New here was surfing when I caught ur site .and it’s nice to see u helping so here we go I own 2014 taotao or Also known asVIP 50cc got good acc and take off but lose power and speed going uphill and not cdi restricted.got any advice

    Reply
  32. Lukas
    Lukas at |

    Thanks Daniel,
    Im from Poland but currently luve in the uk. Could you help me find right cdi? Thanks

    Reply
  33. Alex Lanefelt
    Alex Lanefelt at |

    Hi, do you know of is there is a cdi for peugeot django 4 stroke? Currently limited to 45km/h. Thanks

    Reply
  34. Tim Tibbals
    Tim Tibbals at |

    Nice information Daniel. I just purchased a 2017 Zuma 50F, and it is clearly CDI limited. But I only see a Zuma 50 and Zuma II 50 in the list of supported models. This is true at Racing-Planet as well. Will one of these be compatible with the 50F? Thanks,

    Reply
  35. George
    George at |

    Hi, ive read your articles and suggestions for making 50cc scoots go faster, but any advice for a all stock tgb tapo to go faster? The CDI, exhaust, air filters, carb jettings, etc. Willing to buy mod parts if necessary for reasonable price. Thank you in advance more power.

    Reply
  36. Liam
    Liam at |

    I believe mine is a Huatian-HT50QT-29A. It isn’t explicitly listed but would the Kymo/GY6 be the correct choice?

    Reply

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