Huh. Way to cheap out, Honda. With your compression readings, you are definitely not leading cylinder pressure. We're back to my guess of things rubbing.
Good luck hunting that down. Kurt On Jul 11, 2012 9:26 AM, "Kevin Green" <[email protected]> wrote: > 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. > -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. 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