diaphram?

DSN_KLR650
Post Reply
revmaaatin
Posts: 1727
Joined: Wed Nov 26, 2003 3:07 pm

diaphram?

Post by revmaaatin » Mon Feb 09, 2009 4:57 pm

--- In DSN_KLR650@yahoogroups.com, "Jud Jones" wrote:
> > --- In DSN_KLR650@yahoogroups.com, "revmaaatin" wrote: > > > > --- In DSN_KLR650@yahoogroups.com, Michael Martin > > wrote: > > > > > > Brian, > > > > > > A couple of other things to check, besides what others have > > suggested: > > > > > > 1. If the bike has an aftermarket fuel filter installed, it
might
> > be plugged. > > > > > > 2. > > > If the bike has a vacuum actuated fuel petcock, it may be
faulty.
> > You > > > can check it by disconnecting the lines to it, connecting a
piece of
> > > tubing to the vacuum port and use a MityVac or your mouth to > > determine > > > whether the port will hold a vacuum once it is applied. Of
course,
> > > fuel should flow while the vacuum is applied. > > > > > > Mike Martin, > > > Louisville, KY > > > > Mike, > > I don't know if this is according to the Hoyle--but, > > you can check the fuel flow/petcock diaphragm for operation by > > draining the bowl, and then leaving the drain/screw out for a
moment.
> > then, > > Crank the bike. > > > > When I was draining my fuel bowl due to the contaminated fuel in > > Midland, SD last summer--I cranked the bike with the bowl drain
plug
> > removed to see if it was pumping fuel. > > because, > > If the petcock diaphragm is intact, every time the piston draws a > > vaccum, you will get a squirt of fuel. It will look like an > > aortic 'bleeder'--SQUIRT-SQUIRT-SQUIRT with every revolution of
the
> > piston. Pretty neat, actually. Might be something someone else
has
> > seen, but I didn't remember anyone ever saying that is how they
could
> > check the integrity of their petcock diaphragm. > > > > What did I learn? > > > > DON'T have your face to close, cause if it is all working as it > > should, =according to Hoyle, you will see fuel come out like it
was
> > on a fuel pump. Eliminated all doubt if the petcock was working > > correctly.... > > > > revmaaatin. who prefers water to fuel for bathing...ah, and so
will
> > you. > > > > It's even easier just to pull the fuel line off the petcock and
crank.
>
Ah, that is true. But, You miss the un-advertised benefit of flushing the fuel bowl, and cleansing the needle seat. shrug. and pehaps fuel in your eyes. as you stare at the drain hole. oh, no.... revmaaatin.

Post Reply

Who is online

Users browsing this forum: No registered users and 25 guests