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Pinned Coil On Plug conversions - COP

Discussion in 'Tech Tips' started by Linkin, Aug 24, 2017.

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  1. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    #3 is a bit of a tight fit cuz of the thermo housing
    Just need a test run to see if they actually work or moreso that the technician wired them correctly :help: :D



    COPs in situ 1.png COPs in situ 2.png COPs in situ 3.png COPs in situ 4.png
     
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  2. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Will you be running the rubber heatshield above the coil's ?
     
  3. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    No .... I have never used it .... and now being just a drag bike anything except the absolute necessities are tossed over the shoulder
     
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  4. ruckusman

    ruckusman White Mans Magic Master Premium Member Dirty Wheel Club

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    If it's got no ZOOM then you'll know you've dun sumfin wraung
     
  5. pete05

    pete05 Active Member Premium Member

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    which part number coil are these?
     
  6. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Last edited: Jun 6, 2020
  7. pete05

    pete05 Active Member Premium Member

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    Thanks, I was checking spark on my zxr250 today and the stock coils seem very poor on spark output, I tested them as per the manual and they test ok just the spark seems really weak.
     
  8. Frankster

    Frankster See the World before you leave it Staff Member Premium Member Ride and Events Crew

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    Yes, I won't ever go back to standard coils on a ZXR. COP all the way for me.
     
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  9. pete05

    pete05 Active Member Premium Member

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    I think I'm going to go for a set of 129700-5430, I haven't ridden the bike yet but I think the stock ones will definitely give poor performance looking at the size spark I was getting across the plug gap.
     
  10. Frankster

    Frankster See the World before you leave it Staff Member Premium Member Ride and Events Crew

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    It's almost impossible to say, but I know whenever I've run against Murdo at the strip, I find my bike pulls a little harder in the high revs. Murdo runs an unrestricted TCI and his motor is bored out too, so given we both weigh the same, I put the difference down to the COP's on my bike reducing the number of misfires at higher revs. I guess the best test would be for Murdo to go to a COP setup and see if his bike goes faster.
     
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  11. pete05

    pete05 Active Member Premium Member

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    Just confirming the ba ford connector plugs are the correct ones for the 129700-5430 coils?
     
  12. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    @Linkin where did you get your wiring plug's for the coil's ?
    I know that the 129700-4400 coil's use the BA Falcon type plug's,
    i reckon the 129700-5430's would be the same but Linkin should be able to confirm it?
     
  13. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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  14. Linkin

    Linkin The Apprentice Premium Member Dirty Wheel Club Contributing Member

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    I bought some cheap ones off ebay at the time
     
  15. pete05

    pete05 Active Member Premium Member

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  16. pete05

    pete05 Active Member Premium Member

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    So I bought the plugs linked above and they fit and appear to be of good quality.
    I have wired them up and done a test fire of the plugs out of the motor, I have to say it is an impressive spark improvement over the factory coils and really shows how poorly the original ones were performing.
     
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  17. Klapparbaver

    Klapparbaver Member Premium Member

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  18. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Are you able to measure the secondary Ohm's of your coil and the length of the coil so i can update the coil spec's/data please ?
     
  19. Klapparbaver

    Klapparbaver Member Premium Member

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    My Bike:
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    overall length is 127.7mm
    Primary is 1.3 Ohms
    Secondary is 11.5 K Ohms
    these were all measured on the coils.

    The service manual has the primary windings from 0.85 - 1.15 Ohms and secondary as 9.2 - 13.8 K Ohms
     
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  20. kz1000a

    kz1000a Active Member

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    My Bike:
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    Can anyone tell me what gauge (copper core cross sectional area) wire the standard ZXR A coil primary side is?
    I have ordered stick coils with sub loom from ebay (ZG1400) and I am now sourcing a FURUKAWA RFW-C-6M-B 6-WAY CONNECTOR KIT that has the option of the connector being pre-wired with pigtails (to connect to original primary wires RED RED GREEN BLACK)
    My options are 0.5 mm, 1.0 mm or 1.5 mm copper core cross sectional area.
    TIA
     
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