I had mine apart too. It needed a new rubber gasket...no big deal.
________________________________ From: Kyle Munz <[email protected]> To: [email protected] Sent: Sat, May 22, 2010 1:23:38 PM Subject: Re: [Nighthawk Lovers] Petcock Solution Buddy of mine had a similar issue. We disassembled the petcock only to find that the previous owner had removed the spring behind the diaphragm. It's nice when the fix is simple, and cheap ;) -Kyle On Sun, May 23, 2010 at 8:57 AM, Dennis <[email protected]> wrote: > > > > > > >Good tip! - thanks, Jaybird > Dennis G >- Christchurch >> >-----Original Message----- >>From: [email protected] >>[mailto:[email protected]] >> On Behalf Of [email protected] >>Sent: 22 May, 2010 >> 11:48 >>To: [email protected] >>Subject: >> [Nighthawk Lovers] Petcock Solution >> >>In recent months, my high mileage (90K+) 92 NH750 has had a growing >> number of fueling issues, including low speed surging, fuel starvation at >> high >> speed, leaks and gasoline odor that nearly led to both me and the bike >> being >> thrown out of the house. >> >>I was getting ready for a costly four-carb rebuild when a board poster >> suggested checking the petcock first. We replaced it with one from a low >> miles >> NH I found on Ebay and suddenly I had a different bike! >> >>There was good driveablility from idle to interstate speed, no more leaks >> or odors, and an immediate increase in MPG. The repair was proved out on >> a recent 1,700 mile ride through three states, which included visiting the >> Barber Vintage Motorcycle Museum near Birmingham, AL (a must-see for any >> rider.) I averaged 50 MPG and did one back roads day at a hair under >> 60 MPG. >> >>The problem in the petcock was that there was a small hole worn through >> at the center of the diaphragm, where it sits on a little post, which was >> admitting gas when it was supposed to be sealing shut. Total repair cost: >> $34. >> >>If you have this kind of problem, check the petcock first. It's a small, >> simple device that can cause big problems, but also supports an easy >> solution. >> >> >>Jay S >>92 NH750 >>South Florida -- >>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. > -- 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.
