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Max Online: 36273 @ 01/23/13 02:34 PM
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#11841344 - 09/21/16 01:56 PM 20hp yamaha
Ian679 Offline

Registered: 07/24/15
Posts: 39
Loc: Waco
Idk if thread is already out there or not.
I have a 2015 20hp SMHA yamaha tiller.
I want to run a battery and keep it charged for running lights and a possible fish finder.
If anyone is familiar with the motor could u tell me which wires have a constant 12 volt if any. I haven't had the chance to put my meter to it. And also what would be the best battery for it and regulator. I don't need a big battery.

#11844987 - 09/23/16 11:03 AM Re: 20hp yamaha [Re: Ian679]
IslandJim Online   content

Registered: 07/08/14
Posts: 304
Loc: Rockport, TX
I don't know about recent smaller Yamaha outboards, but usually, if it's a pull-start model, it won't have the alternator coils in the flywheel for charging. You'll have to do some research or ask a Yamaha service tech.

Island Jim
I'm an Eighth Day Adventist. On the Eighth Day, God went fishing!


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