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Thread: voltage regulator painting?

  1. #1
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    Just a question on the voltage regulator. First my regulator is flaking pretty well from rocks and bugs all the other daily road debris and I'm just curious if they can be painted it is awfully close to the header and I've never felt the temp of the regulator after a ride to know how warm they get. So high temp paint or just standard epoxy paint to deal with the debris and deal with the chipping again. Any insight as always is appreciated

  2. #2
    Senior Member Cooter's Avatar
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    Try BBQ paint. It's super high temp, and it should be pretty durable. As long as you like semi-gloss black.

    Any 'engine enamel' should be fine if you're looking for a different color.

  3. #3
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    my regulator is flaking pretty well... it is awfully close to the header
    The VRs on these bikes generally have a relatively short life expectancy. If yours is in the kind of beat-up condition you describe, I'd be considering just replacing it before it fails. Then relocate the new one away from the header pipe using longer bolts & spacers to prevent so much heat transfer.

  4. #4
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    Its not failing yet just flaking. I don't care that its in the location its in I just want to make sure any high heat paint would work, I'll pick up some semi gloss high heat. Why spend 150 on a new one when mines fine ya know. Just want to make it pretty again is all

  5. #5
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    That being said is engine enamel fairly chip resistant anyone with experience using it. If I could keep touching it up to 1 time a year if that I'd be happy as I said I know its near the header I don't want to coat it to many times and reduce the cooling fins effects one coat most likely won't hurt at all tho

  6. #6
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    Ya. Engine enamel is pretty tough stuff.

  7. #7
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    Why spend 150 on a new one when mines fine ya know. Just want to make it pretty again is all
    I suppose it's just a matter of one's philosophical attitude towards maintenance: "break/fix" vs "preventive". Neither is right or wrong per se.

    In your case, the immediate cost of $5 for a can of paint sounds like a bargain compared to $150 for a VR. But given the reliability record of Buell VRs, there's a real risk that your $145 short-term savings becomes a total potential long-term cost of many hundred of dollars more, once you account for a fried battery & headlight (from VR over-charging), the cost of a tow (after being stranded due to charging system failure) & the cost of the VR you'll eventually need to replace anyway.

    Regardless, in my experience, the VR doesn't normally get excessively hot, nor is it in the direct line of fire from front tire roost, so any BBQ, manifold, or engine enamel should be more than adequate if that's the route you'd like to go.

  8. #8
    Senior Member thrstrmech's Avatar
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    But given the reliability record of Buell VRs
    hmmmm...still have the original on my '03 with over 69k miles, just saying

  9. #9
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    PJ1 engine case paint. it is satin black epoxy...tedious to spray but best on the market and is exact match to the factory finish.

  10. #10
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    hmmmm...still have the original on my '03 with over 69k miles, just saying
    Touche thrstr, you've had MUCH better luck than me! My XB chewed through 3 VRs in 24,000 km (15,000 mi). I've heard many other owners with similar luck as mine too. :(

    If the OP wants to get a better sense of a pending failure, check the condition on the silicone on the back. If it's dry/cracked, it's near death. Also a quick output check with a voltmeter will confirm if it's still OK.



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