I have a '93 Ducati 900ss. I have replaced the voltage regulator 2x. When I replaced last time I rewired the stator using heavier gauge wire. Both times I replaced with stock (used) replacement regulator. I have checked the stator wires for continuity and found adequate resistance to indicate the stator is OK. I then tested the regulator for continuity and got no readings across several of the leads. I believe the regulator is shot again.

So, I can get my hands on an aftermarket regulator rated at 450w. My stock stator is rated at 350w. In the shop manual it suggests to upgrade the stator anytime you upgrade the regulator.

I called the manufacturer of the upgraded regulator that I have access to. I asked the above question and he said it will work no problem. He claims to have over 30 years in the business and they sell quality stuff.

I can get this new/used regulator for $45. The entire upgrade kit with rotor/stator and regulator is almost $400.


Common sense tell me it would be ok as long as the regulator is rated HIGHER than the stator output.

In short, is it OK to use a stator rated at 350w with a regulator rated for 450w?

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'85 300SD (formerly california emissions)
'08 Chevy Tahoe
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'88 Kawasaki KDX200
'71 Hodaka Ace 100
'72 Triumph T100R