Oh and don't forget - you need an.....
wait for it....
Exhaust Fan!
Sorry Guys - but that last one exhausted me....
Think I'll go try to muffle something...
Thanks for all the Tips!
Ok, I'll stop now.
-Joey
(typed in Google Chrome)
On Wed, Apr 20, 2011 at 10:15 AM, Kurt Nolte <[email protected]> wrote:
> The biggest thing with painting an exhaust is the need to cure it, and be
> careful not to chip or scar the paint before then.
>
> I just did a set of stock 750 pipes that were rusty, especially on the
> underside, but I cheated on removing the rust and used electrolysis to
> remove the stubborn pitted surface rust after using a wire wheel to remove
> the heavier built up rust.
>
> Incidentally the electrolysis and the wire-wheeling roughed up the surface
> reasonably nicely.
>
> Another light wire-wheel treatment removed the new oxides, then I put three
> light coats of exhaust paint on the pipes, letting it dry between each. A
> very light sanding (as again, the paint doesn't really bond until it cures,
> and it won't do that without heat) then another three coats (again, very
> light ones).
>
> That's where I sit now. I need to put the pipes on the bike and cure them as
> per the instructions on the paint. After that I plan on taking them back
> off, giving them another light sanding, then giving them some heavier coats
> of paint (with light sandings between each) before putting them back on and
> curing them again permanently. The heavier coats of paint will stick to the
> lower base coats more readily than they will stick to the slicker surface of
> the chrome, and the additional layers of paint will provide better chip
> protection than the recommended three coats (one light, two heavier).
>
> Obviously, you need to use new exhaust gaskets each time, so you don't leak.
>
> Also, since you will need/want to paint under the collars, be /very/ careful
> when you move them. The edges and metal surface of the collars will scratch
> off the uncured paint in an instant; I buffered them with my fingers and let
> the backs of my fingernails slide over the paint, rather than letting metal
> touch paint when I moved them.
>
> -Kurt
>
> On Wed, Apr 20, 2011 at 9:26 AM, Kyle Munz <[email protected]> wrote:
>>
>> I've painted some chrome crashbars I found gloss black. They were on a
>> bike in a salvage yard and had some rust but not much pitting. I took a
>> brass wire wheel to them to get all the rust out, then I took some 400grit
>> sand paper to rough them up all over. I then put several light coats of
>> primer on them. Wetsanding between each coat with 1000 grit sandpaper
>> between each coat until I could no longer see chrome after sanding. I then
>> began several light coats of gloss black this time wetsanding with 2000grit
>> sandpaper between coats until I could no longer see primer after sandings.
>> In all I've probably got 20 coats of primer and paint on them. They've held
>> up nicely. No problems with rockchips or bug splatters.
>> They aren't exhaust pipes though so I didn't have to worry about high
>> temps and discoloration. The stock pipes on a 700S are actually black chrome
>> rather than just painted black so they handle the heat better.
>>
>> -Kyle
>>
>>
>> On Wed, Apr 20, 2011 at 6:55 AM, Kurtis <[email protected]> wrote:
>>>
>>> I am thinking of painting over the chrome exhaust and im wondering
>>> what to do to prep the surface would think it would be hard to get the
>>> paint to stick allso would the pipes off a 700 fit the 650
>>>
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-Joey Kelley
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