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Wiring issues

  • luke.fabbri
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Wiring issues was created by luke.fabbri

I have a 1970 HT1 that has no spark. Poking around with a test light, I see that there isn't any power coming from the stator to the coil. Does anyone know if this might be wired incorrectly? 
12 Apr 2021 21:06 #1

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Replied by MarkT on topic Wiring issues

All you need for spark on that model is the black (or black/white) out of the magneto directly to the ignition coil.  Nothing else.  No Battery, nothing but the one wire.   

It's a magneto...  test light won't be helpful.  In my experience 90% of the time all you need to do to get spark is clean the point contacts.  No need to remove flywheel.  You can work through the window in the flywheel.

(Red line in diagram is black wire from points, components circled in blue are under the flywheel)

  
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
Last edit: 12 Apr 2021 21:15 by MarkT.
12 Apr 2021 21:15 #2

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Replied by RT325 on topic Wiring issues

looks like you have it wired direct in your pic, so as MarkT says, give points a scratch,-- & i bet she runs.
Last edit: 13 Apr 2021 00:30 by RT325.
13 Apr 2021 00:29 #3

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Replied by RT325 on topic Wiring issues

Just also thinking--if you've had the flywheel off be sure to tighten it well or the locating crank key could suffer. In saying 'that' if damaged--as in broken off--it'll still spark, just not in the right place.
13 Apr 2021 00:38 #4

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