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Topic summary

Posted by Troll
 - March 27, 2025, 15:35:02 PM

A weak battery will still turn the engine, due to it having compression release cams, but may not have enough power to fire the plugs. The injection needs little power, so the injectors will probably still work, and flood the engine.

Posted by Dustywolf
 - March 27, 2025, 12:48:26 PM

Update: I can see a spark only when I first tap the start button. If I hold it down, no spark. But if I tap it quickly it will spark once. Thoughts?

Posted by Dustywolf
 - March 26, 2025, 18:50:10 PM

Thanks! I don't see that relay I was talking about on there... perhaps that an entirely different issue in itself. Any ideas on why it wouldn't have spark? It did have spark at one point when I first got it.

Posted by Troll
 - March 26, 2025, 07:07:30 AM

Here is a schematic of the ign. system:

Posted by Dustywolf
 - March 25, 2025, 23:43:44 PM

Hi all, I just got this VN1500 Drifter from my friend, whose brother was recently deceased in a motorcycle accident due to an intoxicated driver. This was his baby, and his project. So I am honored to continue his work and hopefully get this thing going!

It had spark when I first got it, but now it does not. I just found that my ignition relay (The circular one to the right of the battery) has an ohms resistance at 10. Would this probably be a safe bet that this is my issue?

Thanks!

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