1999 GTX RFI Won't charge

[stag]

With a new battery the ski will last all day but runs out of juice to start at the end of the day and definitely by the next day. I guess I am just tired of recharging it and not trusting it on the lake. I replaced the rectifier/regulator but I am not sure it was good. I checked both fuses - good. There is 50-70 Vac out of each leg of the magneto at the rectifier/regulator. Standard ohms between legs and infinite resistance to ground for each leg.
Is there a way to test for amps from the magneto?
Is there a way to test the rectifier/regulator?
What would you do next?

 

[timmyboy76]

What would you do next?
...get new rectifier, only after i've rechecked all grounds/connects, cable/wire conditions...

 

[seadoolover]

charging

Ok first i would check battery voltage with ski running on the hose get a multimeter and check should be 14 to 14.5 volts... if under probabaly rectifier or need a new battery...