XR 400 A/C Regulator

Need to buy a new A/C regulator. My question is I now have a stock stator , in the future I would like to up grade to a high out put stator . Is a stock A/C regulator ok with a hight out put stator . Or is there a better A/C regulator to buy now , that will work well with the stock stator and a high out put stator. Thanks in advance for the help.

Yes, there are AC regulators that will handle the higher power of the high output stators. Here's a link to one from Ricky Stator...


I rewound my stator so it's putting out about 140 watts and I didn't replace the regulator. No troubles yet. But if you need to replace yours anyway, I'd say go with the higher rated aftermarket unit just for the peace of mind.

I too rewound my stator myself and have been running it with the stock regulator with seemingly no problems.

I think XRs Only also sells a reg for high output stators.

I think part of being able to get away with running the stock reg is if you're going to up the power of your stator, have increased lighting or accessories installed to use that power, instead of it all needing to be dissipated by the reg..

Leave your headlight on all the time and you will be ok with the stock regulator. If you want, or can, turn the headlite off then go for the HD AC regulator. I bought mine from TTfor $13 instead of the $19 shown in a prior post.

Oh, yeah. I forgot to mention I also put in an H2 headlight bulb when I rewound the stator. 55 Watts instead of 35 Watts. Much brighter!! That 35 watt'er is pretty pathetic. Like Trailryder said, that helps ease the load on the regulator. Whatever doesn't get used gets dissipated by the reg.

I'm planning on putting some grip heaters on it too. Dualstars that draw 35W on high.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

  • Similar Content

    • By libsead
      Guy's,  I have an 1997 Honda XR400R and I need to do the front forks.  I'm a big guy 6'4" 375lbs.  So far I haven't been able to find a setup for a big guy. Any suggestions besides losing a lot of weight. :-)
    • By Scat Adams
      OEM Rear fender from an XR400. Fender includes Baja Design tail light as well. 
      $20 plus shipping, located in San Diego. 
    • By Alex John Blanch
      Went riding on Christmas Eve  everything was working fine went through some mud and slipped dropped my bike tried to kick start it and the kick start went limp pushed it back up got compression again  kicked it over a bunch of times started to run again  rode it for the rest of the ride with no problems then on the way back on the road I gave it fill throttle  and it died hasn't started  since and now has little compression. Replaced the spark plug and changed the oil and filter and adjusted the valves but still very little Compression and won't start.    
      Any ideas??  Would greatly appreciate

    • By Ricky Bobby 21074
      I have a 1986 xr250r, I'm interested in converting the rear drum brake wheel assembly to a rear disc brake system. Has anyone done this, and can you tell me what application parts will get the job done. thanks