Gasket remover, razorblade, and a brass wirewheel in a dremel or drill.
Make sure it's brass and not steel, you want to use a metal softer than the
oil pan. Also be very very careful with the razor blade, you do not want to
dig any gouges in the metal. It has to be smooth and flat.

-Kyle


On Sun, Sep 2, 2012 at 8:20 AM, Allen Thomas <[email protected]> wrote:

> **
> Can't you reset the tensioner on those models?
> Sent via BlackBerry by AT&T
> ------------------------------
> *From: * [email protected]
> *Sender: * [email protected]
> *Date: *Sun, 2 Sep 2012 09:09:05 -0400
> *To: *<[email protected]>
> *ReplyTo: * [email protected]
> *Subject: *Re: [Nighthawk Lovers] Engine noise question and cleaning
> question
>
> Yes, cam chain noise. I have it  on my 84 650 with 32K yet it does not
> seem to bother anything too much.
>
> On Sun, Sep 2, 2012 at 3:22 AM, Gibs <[email protected]> wrote:
>
>>    Hey guys, I had a question about some engine noise I've been hearing.
>> Around 2500-3500 RPM as its going down I hear a sort of rattling/whirring
>> noise, not so much vibrations or anything just a noise. It usually only
>> happens when its just warmed up (i.e after some riding it goes away
>> mostly). When I tried to show the mechanic I was working with, it wouldn't
>> make the noise, possibly because it was in neutral. Been looking online for
>> some ideas of what it could be and it sounds more and more to me like its
>> the cam chain tensioner. Is this a noise a should be concerned about?
>>    Another question I had was I got my replacement oil pan and I want to
>> clean the outside and inside thoroughly, any suggestions on getting the old
>> gasket and residue caked up on it? The inside isn't that bad but could use
>> a good wipe down. I tried warm water and dish detergent with a tooth brush
>> lol gonna need something a bit stronger. Any suggestions?
>>
>>     Thanks :)
>>
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