Well mine is definitely a mechanical cable. Maybe it's part of the "budget" nature of the 450?
On Wed, Jul 11, 2012 at 9:24 AM, Kurt Nolte <[email protected]>wrote: > Shouldn't an '82 have an electronic tachometer? I thought tach cables were > a <60s thing. > > Kurt > On Jul 11, 2012 9:15 AM, "Kevin Green" <[email protected]> > wrote: > >> So I changed the oil last night and rode in to work today. As I was >> pulling in the parking lot I noticed that it disappeared sometimes and got >> louder sometimes, as I turned the handlebars pulling into a parking spot. >> Tach cable maybe? I'm going to be so annoyed if that's the case. I'm >> going to remove disconnect it from the motor when I go to ride home and see >> if it stops. If that's it, any suggestions on lubing the cable or >> anything? Do I need to replace it? I replaced the speedo cable when I >> first got it running but not the tach cable. >> >> On Tue, Jul 10, 2012 at 9:18 PM, surfswab <[email protected]> wrote: >> >>> The noise seems to be coming from the rear of the motor and it seems >>> to be pulsing in time with piston movement. >>> >>> I'm suspecting it may be related to the head bolt you had some trouble >>> with -- like maybe exhaust being forced out in that location. A >>> faulty gasket or the head not torqued evenly there might cause that. >>> >>> To pinpoint the location, try listening closer thru a cardboard tube >>> (like comes with paper towels). If the noise is louder in the >>> vicinity of that bolt, you have your culprit. >>> >>> To test for an intake leak, trying spraying WD 40 around the rubber >>> intake tubes. If the engine runs faster, you're leaking vacuum. >>> >>> >>> On Jul 9, 4:29 pm, Kevin Green <[email protected]> >>> wrote: >>> > So I've put almost 1500 miles on the bike in the last 4 months since I >>> got >>> > it running (which included removing and reinstalling the head with all >>> new >>> > gaskets), but as I was pulling up to my house a few days ago I noticed >>> a >>> > squeaking sound coming from the motor. When I started it back up this >>> > weekend it started squeaking immediately (cold engine) and it increases >>> > with the RPMs. On my car I would say it sounds like an accessory belt >>> > squeaking, it's that kind of sound, but it's coming from inside the >>> motor. >>> > I also opened the filler/dipstick with the motor running and air and >>> oil >>> > came sputtering out at me, but I'm not sure that's not normal for a >>> running >>> > engine like this. I pulled the valve cover and adjusted the valves but >>> > they weren't very far out of adjustment, so I don't think that was it. >>> I >>> > checked the torque on my head bolts, and they are all to spec, but I >>> > noticed that the resistance in one of the bolts is all resistance in >>> the >>> > thread and not pressure from the bolt on the head. I'm wondering if >>> > there's not enough pressure on the head and that's the source of my >>> > leakage. Anybody have any thoughts or suggestions? >>> > >>> > -- >>> > Kevin Green - Orlando, FL >>> > --------------------------------- >>> > 1982 Honda Nighthawk 450 - CB450SC >>> >>> -- >>> 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. >>> >>> >> >> >> -- >> Kevin Green - Orlando, FL >> --------------------------------- >> 1982 Honda Nighthawk 450 - CB450SC >> >> -- >> 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. >> > -- > 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. > -- Kevin Green - Orlando, FL --------------------------------- 1982 Honda Nighthawk 450 - CB450SC -- 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.
