25V is not high, in fact it may be a little low.
First check all of the new connectors to be sure that the contacts are inserted fully.
Check it at above 2,000 RPM.
Make sure that your volt meter is set on AC and on a high scale, I use 200VAC scale.
Check each pair of wires. 1-2, 2-3, 1-3.
The voltage should be very close to the same on each pair.
Around 25VAC at idle is about right, It will rise to well over 50VAC at high RPMs. It is possible to be sneaking up on 100V.
WARNING
Be careful while doing these checks The unloaded stator at higher RPMs is outputting potentially dangerous voltage.