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 -~----------~----~----~----~------~----~------~--~---
