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My 1990 Tracker Johnson 40 HP has an alternator which puts out from 1 to 4 amps (unregulated) between 1500 and 5000 rpm. This is not enough.

I know some 40HP's had a 12 amp REGULATED alternator system.

If I find one of these in a salvage, what parts must I acquire to upgrade my motor to 12A regulated?

Bill Johnson
Bass Buggy - 40HP Johnson
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Hello will need to change stator and retifier regulator

Ralph, The Outboard Wizard
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