Testing your pit bikes' electrics, Stator Magneto, Source coil, Pulse coil, regulator / rectifier

Discussion in 'Electrical' started by my67xr, Jun 12, 2014.

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  1. May 23, 2016 #21

    my67xr

    my67xr

    my67xr

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    I would ask them the spec's on that ignition coil before buying it
    For the primary side Suzuki has listed it's measurement's at 1 - 3 Ohm's (black w/yellow trace wire and earth)
    The secondary resistance is listed as 15,000 (15K) - 17,000 (17K) Ohm's (black w/yellow trace wire and the terminal inside the spark plug cap)
    Not many of the universal ignition coil's have that much resistance

    When you get a new coil sometime's it will come with the lead but not with a spark plug cap, so make sure you buy a new one at the same time
    Spark plug is an NGK B7ES gapped at .6mm - .8mm

    Testing the Lighting coil on the DS80 (yellow wire w/red trace) you should get around 1 Ohm resistance
    It should put out over 5.7v @2500rpm's, and under 9v @ 9000 rpm's

    And Timing is set to 23° -/+ 2° (2.12mm from the mark in the case)
     
  2. May 23, 2016 #22

    davo81

    davo81

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    yeah i rang them and they didnt know the specs of the coil but they did say it would work on a ds80 maybe its worth a try ive found one on ebay for $27 delivered.... ive been looking at the stator coils today and the lighting coil seems to meet those specs but i cant get anything out of the primary coil.... Do you know the procedure for testing that coil?? But from what ive seen today it appears to be open circuit aswell.... Im starting to think if its worth fixing as genuine parts are going to add up very quickly... However i did remove the exhaust today and the top end looks to be in very good condition it looks like it has had a recent top end put in it.
    The timing mark i can see the arrow on the case but i cant see any marks on the stator....??

    Cheers

    Dave
     
  3. May 23, 2016 #23

    my67xr

    my67xr

    my67xr

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    See the little slot mark on the stator plate just to the right of centre behind the stator plate top screw, it need's to be 2.12mm to the left of the mark/tab in the case

    [​IMG]




    You could ring Small Coil Rewind's in Geelong, they may give you the Ohm's reading for it
    Just tell them you want to test it to see if it's ok.

    Suzukis' Primary Source coil is part number 32140-35410
    Mick Hone sell them for new $80 which is cheaper than a rewind Mick Hone - Suzuki COIL, PRIMARY (32140-35410)
     
  4. May 23, 2016 #24

    davo81

    davo81

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    is this what you mean...?

    IMAG0885.jpg
     
  5. May 23, 2016 #25

    my67xr

    my67xr

    my67xr

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    Yeah your timing look's pretty close, if not spot on :thumbup:
     
  6. Sep 15, 2016 #26

    davo81

    davo81

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    okay so its been a while but i finally got the ds 80 running turned out to be the primary coil which i was able to buy of ebay.... One thing ive have a problem with is the air boot that connects from the airbox to the carby it is severely warped and no longer fits correctly. I was thinking of fitting a pit bike pod filter... Or should i go for a new boot from suzuki assuming they are still available...??
     
  7. Sep 15, 2016 #27

    motorman

    motorman

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    You could try either mate. Would need a rejet if using a pod filter or at least a tweak of the mixture screw.

    Should be able to get a boot also but not sure how cheap they would be.
     
  8. Apr 10, 2019 #28

    Danozvt

    Danozvt

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    Wow if only every site had write ups like this.spot on man.
     

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