UK Monster Owners Club Forum .: Technical :. Electrics » Diode Starter Solenoid

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Old 23-02-2020, 06:05 PM   #1
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Diode Starter Solenoid

M900 1997

Out of curiosity, what exactly does the diode do? I read it only allows the current go one way to prevent and electrical damage; its a carb bike , no ecu ; would it short the starter switch of you left it out?

I put in a superseal connector to replace the plug

I did cut back a good chunk of OE Loom wire but it was still a mixture of black copper strands in places

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Old 23-02-2020, 07:13 PM   #2
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Have a look at this thread:

particularly the link in post #30 to Lucaz's explanation elsewhere.
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Old 23-02-2020, 08:51 PM   #3
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Just my opinion but i think Its a bit of a Ducati bodge up job. If they'd specced the wiring correctly (battery starter wires) then it shouldn't be needed. At least ive never seen one on any other bike.
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