It shouldn't, but it obviously has for at least one member. On Sat, Aug 14, 2010 at 6:03 PM, Gene Henry <[email protected]> wrote:
> Will someone please explain to me why the float/needle(s) in the crab(s) > does not stop the flow of fuel when the engine is not running, but does when > it is running? > 12" of head (height of the fuel column) = about 1/2 psi. The float/needle > should handle that. ???????????????????? > > Inquiring minds want to know. > > Gene > > > > ----- Original Message ----- > > *From:* Allen Thomas <[email protected]> > *To:* [email protected] > *Sent:* Saturday, August 14, 2010 4:49 PM > *Subject:* Re: [Nighthawk Lovers] Re: Digest for > [email protected] - 13 Messages in 5 Topics > > Since you filled the tank, make sure you close the petcock when not > running! otherwise you could fill the crankcase with gas, ruining your oil, > and potentially destroy your engine or worse! > > On Sat, Aug 14, 2010 at 5:10 PM, surfswab <[email protected]> wrote: > >> > im thinking i will pull the petcock and clean it or replace it.< >> >> Good plan. You'll probly find the diaphragm rubber torn/worn out. It >> keeps a fuel valve open when vacuum's applied (engine running) and >> closes the valve in the absence of vacuum (engine not running). >> >> If it's malfunctioning, it allows raw gas to gravity feed to the float >> bowls -- overflowing into the intake, cylinders, air box and >> crankcase, causing a real mess. >> >> Rebuild kit's about $20. New petcock about $150. Add new plugs, new >> oil, new air/oil filters and several hours of draining/mopping/sucking >> raw gas/oil from everywhere it's not supposed to be. >> >> Don't ask me how I know all this. >> >> -- >> 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]<nighthawk_lovers%[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]<nighthawk_lovers%[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]<nighthawk_lovers%[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.
