Not cork, but thin and rather fragile. And, yes, it's a Bi**h to remove from both sides (at least in my case it was). HotrodMamma.
----- Original Message ----- From: "tharrisn" <[email protected]> To: "Nighthawk Motorcycle Lovers!" <[email protected]> Sent: Thursday, March 12, 2009 12:03 PM Subject: [Nighthawk Lovers] Re: 83 650 Engine Clatter Bummer, so the gasket isn't an o-ring type material? It's one of those cork (?) flat type gaskets that leaves half of itself on one surface and half on the other. On Mar 10, 7:30 am, "Creative Residential Designs" <[email protected]> wrote: > Sorry...no peaking! You'll need to remove the old gasket and replace. It's > not exactly an easy job and you'd better have some extra cam cover bolts > for > replacements. I had to replace 5 of them due to bad condition when I > re-did > my cam cover gasket. HotrodMamma. > > ----- Original Message ----- > From: "tharrisn" <[email protected]> > To: "Nighthawk Motorcycle Lovers!" <[email protected]> > Sent: Tuesday, March 10, 2009 1:37 AM > Subject: [Nighthawk Lovers] Re: 83 650 Engine Clatter > > Have you ever taken the cylinder head (cam) cover off of one of these > beasts? If I take the cover off will the gasket be reusable or do I > need to have a new gasket in hand before taking a peek at the innards? > - > Tim > > 1983 650 Nighthawk > > On Mar 9, 9:31 am, "Creative Residential Designs" > <[email protected]> wrote: > > Mine does the same thing. I just ignore it and keep checking my oil. If > > it > > ain't broke don't fix it! HotrodMamma. > > > ----- Original Message ----- > > From: "Jeff" <[email protected]> > > To: "Nighthawk Motorcycle Lovers!" <[email protected]> > > Sent: Monday, March 09, 2009 5:07 AM > > Subject: [Nighthawk Lovers] Re: 83 650 Engine Clatter > > > Hello Tim, > > > I too am new to the Nighthawk thing, just picked up a very clean 84 > > 650 off Craigslist last month. Mine makes a bit of noise as well > > between 2000 and 2500 RPM. Please don't consider me to be an expert, > > but I have read that these bikes are prone to the spring in the cam > > chain tensioner weakening, causing the chain to 'chatter' at certain > > RPM's. I have also read that although the noise is a bit of a > > nuisance, it is not prone to failure. > > > Regards, > > > Jeff. > > > On Mar 8, 10:35 pm, Tim Harrison <[email protected]> wrote: > > > After twenty some years on the side lines I'm back riding. Found a one > > > owner 83 Nighthawk on Craigslist, 15,000 miles, I thought was a good > > > deal. Now I'm not so sure. > > > > Anyway, there is an intermittent clattering noise coming from the > > > engine. Maybe the top of the engine? The clattering gets louder and > > > faster with more RPMs. The funny thing is the noise eventually > > > subsides and the bike hums right along. It sounds to me like a valve > > > or valve(s) need adjusting but I thought these bikes had "hydraulic > > > valve adjusters"? > > > > The noise is sporadic...usually the noise is most evident when > > > starting the bike up after it's already hot or it's been idling for > > > several minutes when hot. > > > > I've changed the oil and filter a couple times already making sure > > > it's at the correct level. After reading about Sea Foam on this forum > > > ran some of it through the crankcase (and gas tank). Couldn't really > > > tell the Sea Foam did anything to help reduce the clattering. I've put > > > about 800 miles on the bike now and the noise still persists. > > > > Any ideas what might be the problem? Thanks for your help. > > > -- > > > Tim > > > > 1983 650 Nighthawk --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en -~----------~----~----~----~------~----~------~--~---
