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RMStator Mosfet Regulator RPM's.

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Old Oct 5, 2017 | 05:54 AM
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Default RMStator Mosfet Regulator RPM's.

I posted this question on polarisatvforums.com, but I didn't get any responses, hopefully somebody here can help me? This is a direct copy and paste of my thread.

The issue before this was I had a Caltric regulator that ended up frying the regulator plug on both ends, so I had to find the harness plug.

Anyway here is my question.

I went through and found the weather pack connectors to repair my main harness. Installed that, and I thought I had swapped a wire or 2 when doing so. I did a continuity test from the stator plug to the harness plug I fixed, all check out, so I know it's not something I did.

Now I have a new issue. I purchased a new Mosfet Voltage Regulator Rectifier from RMStator. It is as described Plug and Play, everything hooks up.

However, when I start the machine, the idle RPM's are fine, but after a few seconds the RPM's drop. Normally around 1170 but drops anywhere between 600-900, but there is no physical noise change in RPM's. If I give it throttle they drop more.

Is it possible that it was wired wrong from the factory? I don't want to run it too long to try and trouble shoot as I don't want to fry anything.

I swapped out the OEM regulator I have as a backup into it's spot and RPM's are perfect, changes with throttle doesn't drop at all.

Anybody have any ideas? Suggestions? Don't really want to send it back if I can just swap a wire in the plug and be good to go.

Thank You.
 
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Old Oct 5, 2017 | 06:20 AM
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Think you answered your own question when the oem regulator works perfectly. People have had problems with some Catric products and I personally never liked rm stators solution with their kits that used Ducati lighting coils as a solution for the ignition problem a lot of Sportsman 700s had..I've already had two people post that have had problems with these rather than install the updated ignition kit designed for it. Sometimes after market products are ok,other times no. The main thing is that the oem regulator is charging ok,14-14.5 volts. If it is stay with what works.
 
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Old Oct 5, 2017 | 06:31 AM
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Yah the OEM AND Caltric regulator work fine. Honestly the RMStator one sounds like it runs fine as well, just not displaying the correct RPM's.

I've read nothing but good reviews about the Mosfet style regulator, that's why I decided to go with it.

I was hoping it would have been a easy fix of just swapping a couple wires around in the plug, something could have been installed backwards? I don't know how to test one of those, and I could not for the life of me find any relevant information pertaining to the Mosfet regulators.
 
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