:: Yamaha Virago XV Forums That Rock!!! Tech Articles Automotive Solenoid Swap

#1:  Automotive Solenoid Swap Author: pmprogrammer Post Posted: Thu Nov 10, 2005 2:01 am

A Tech Help post back in August talks about using a Duralast F492 automotive solenoid on your Virago and the problems you'll encounter doing it:

If you don't want to spend $50 or so for the Yamaha part, here's an automotive solenoid you can find at many local auto parts jobbers that works really well for about $25.

I put an Echlin ST43 from NAPA auto parts on my '82 Virago 920 - see pic: .

To use this part, you will have to modify your cable ends (the small ones and the big ones) because the terminal posts on the Echlin part are bigger than those of the OEM Yamaha part.

You can either drill out the holes to make them big enough to fit over the larger terminals or do like I did and clamp and solder bigger terminals over the existing ones and use heat-shrink tubing to keep it covered (see close-up: ).

Another thing I did was to bend the corners of the metal base of this solenoid up to avoid it making contact with the engine case or cooling fins. I did check this metal base with an ohmmeter to see if it was connected to any of the terminals and it appeared not to be, but with the corners bent up and the solenoid zip-tied to the battery tray it doesn't touch metal anyway.

The Echlin solenoid is too big to fit in the rubber mount from the OEM Yamaha part, so I zip-tied the solenoid into the arms where the rubber keeper normally would attach.

Works great and it's small enough to hide behind the side cover ( ).


#2:   Author: dr_korb Post Posted: Fri Jun 01, 2007 12:49 pm

Check for lawn mower solenoids on ebay....there are a couple that look real interesting as far as functioning correctly, just a matter of figuring out the wiring, which I think would be pretty easy. Has the same number of contacts for the switch and lugs.

#3:   Author: Matthew Post Posted: Fri Jun 01, 2007 3:03 pm

same diff and auto one is probably a tad over rated for the job, mower one would be similar n gague of wire used n draw ratings.... thus cheaper Tech Articles Automotive Solenoid Swap

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