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Help- no spark on my H2
http://www.kawi2strokes.com/forum/viewtopic.php?f=14&t=13068
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Author:  Ja-Moo [ Thu Sep 21, 2017 12:37 am ]
Post subject:  Re: Help- no spark on my H2

I have had connectors corrode enough over 3 months to lose spark.

Author:  husson73 [ Thu Sep 21, 2017 4:29 am ]
Post subject:  Re: Help- no spark on my H2

Ja-Moo wrote:
I have had connectors corrode enough over 3 months to lose spark.
had too :shock:

Author:  Jim [ Thu Sep 21, 2017 8:56 am ]
Post subject:  Re: Help- no spark on my H2

R.B. wrote:
disconnecting the ignition boxes and not draining that capacitors will kill the boxes if you refit and try to kick start, they somehow get double charged and blow the thyristor.


Although I've never seen that here, I can tell you that the CDI units I build have thyristors (SCRs) rated at 800 volts, so this won't happen with them.

Author:  evansje1 [ Thu Sep 21, 2017 9:35 am ]
Post subject:  Re: Help- no spark on my H2

I just hate it when I'm working on something and something I'm not working on fails.

Author:  ThreePipesSmokin [ Thu Sep 21, 2017 8:25 pm ]
Post subject:  Re: Help- no spark on my H2

evansje1 wrote:
I just hate it when I'm working on something and something I'm not working on fails.

When you fix the first thing, it's no longer the weakest link... :banghead

Author:  R.B. [ Thu Sep 21, 2017 9:11 pm ]
Post subject:  Re: Help- no spark on my H2

Jim wrote:
R.B. wrote:
disconnecting the ignition boxes and not draining that capacitors will kill the boxes if you refit and try to kick start, they somehow get double charged and blow the thyristor.


Although I've never seen that here, I can tell you that the CDI units I build have thyristors (SCRs) rated at 800 volts, so this won't happen with them.

.
I've had it happen several times - the genuine items (from memory) are 440 Volts . . . a surge soon kills them

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