I had a very similar experience, replaced all the rubber bits in the petcock, though my gas cap wouldn't hold the gas in so I made quite a mess! ;) Also improved mileage from 40-41 to 44-45! :D
Kevin On Jul 6, 3:41 pm, [email protected] wrote: > <<Twice (on the way there and on the way back) I had a sudden loss > ofpower, had to pull over and switch to reserve (felt like running outof > fuel) - > ...withplenty of fuel left So...allsigns point to the "On" position of the > petcock not allowingenough fuel to flow. Possible culprits include the > vacuum diaphragm in the petcock, tank venting, or fuel screen.>> > > I had this exact issue, and it was the petcock diaphragm. The thing had a > hole worn in the center where it mounts on a little post. Other symptoms > were occasional fuel leakage when stopped, and surging at low speed. > > We got a replacement, screwed it in and I felt like I had a new bike. > Smooth running at all speeds, plus MPG went from 40 to 45-50. > > BTW, there was no need to empty the tank, though I did run it down to a > gallon or so. The guy who did it flipped it over on a milk crate and the cap > held the gas just fine. He unscrewed the old unit, screwed in the new one, > remounted the tank and I was good to go. > > 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.
