I just read the other posts. Hopefully you can check the Tach cable, but to me it almost sounds like you've got a vacuum leak whistling. It sounds like one of the carb-to-head boots is missing the plug screw and is whistling. Just throwing that idea into the mix.
On Jul 10, 2012, at 08:28 AM, Kevin Green wrote: > It's definitely a squeak. Here's a video so hopefully you can hear it over > the other noise of the motor. http://www.youtube.com/watch?v=-_p_miu9dSU > > I'm running Rotella T but I am due for an oil change. I'll drain and strain > the oil and see whether anything comes up. > > I picked up a compression tester yesterday too but I think I need to try it > again tonight because my first result on the right cylinder was 110 psi and > 120 on the left, but then I retested the right and got up to 150, but didn't > retest the left again, so I think I'm a newb on compression testing and need > to try it again for better results. Anybody have tips for me on compression > testing? > > On Tue, Jul 10, 2012 at 2:24 AM, surfswab <[email protected]> wrote: > What kind of oil are you using? > > Try draining the oil and refilling with Rotella T (the plain stuff, > not the synthetic T5 or T6) and a new filter. Retain the old oil, > dilute some of it with gas and strain it thru a coffee filter, looking > for minute shavings of metal or clutch plate material. > > If metal, there's an internal engine problem. If clutch plate > coating, it's clutch related and a Rotella refill may take care of it > with no further action required. > > > > 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.
