Oh sorry, guess the vent on mine is in a different spot from the 80's bikes. Either way you should have a tube going from the engine to the air box for crank case ventilation. James is right the old batteries used a vent/blow off tube, you don't need it if you have a maintenance free battery, I threw mine away.
On Tue, Jan 11, 2011 at 11:26 PM, James O'Gorman <[email protected]> wrote: > The tube coming down to the ground comes from a small tank (smaller than a > fist) under the airbox and behind the battery. The tank collects fluids > from both the airbox and the crankcase. You should see two tubes up from the > tank- one to the airbox, one to the lower backside of the crankcase (not > from the valve covers). > > But... Check to be sure that it isn't the overflow from the battery. > > - James O'Gorman > > On Jan 11, 2011, at 9:23 PM, Dustin Mcclure <[email protected]> > wrote: > > > Hmmm...I actually did not see a tube going from the airbox to the > > valve cover...I should probably look into this. As far as the other > > tube goes I will take the plug out and drain it tomorrow. Good thing I > > blew that fire out :). Thanks again for all of your help. If I don't > > get the bike running by Monday I have a friend who is going to take it > > to his shop and work on it for a very minimal fee. All of your > > information is helping me out so much. This is a first time thing for > > me. Dusitn. > > > > On Jan 11, 8:15 pm, "Allen Thomas" <[email protected]> wrote: > >> That tube is probably the drain. You're airbox should have a tube going > to the valve cover as well, that is the crank case vent. It pulls blow by > gasses into the airbox and any vapor that condenses needs to drain out that > tube. You just pull the plug to drain it. Do this every 2 weeks or so when > you are riding a lot if it fills up with water/oil then that crud will get > sucked into the carbs. > >> Sent via BlackBerry by AT&T > >> > >> > >> > >> > >> > >> > >> > >> -----Original Message----- > >> From: Dustin Mcclure <[email protected]> > >> > >> Sender: [email protected] > >> Date: Tue, 11 Jan 2011 17:49:52 > >> To: Nighthawk Motorcycle Lovers!<[email protected]> > >> Reply-To: [email protected] > >> Subject: [Nighthawk Lovers] Re: Just started cleaning my carbs > >> > >> I just went back out and took the carbs off again to re-adjust the > >> pilot screws. I had originally backed them out 2 turns but I went out > >> and backed them out another 5/8 of a turn and put the carbs back on. > >> This did make a difference...the bike seemed much more willing to > >> start. I will go back out and back them out another half turn or so > >> later. Something weird happened too though. I had just sprayed starter > >> fluid in the air box and I was trying to fire the engine up and my > >> airbox actually caught on fire inside...I had to blow it > >> out.....luckily there was no damage. I also noticed there is a tube > >> hanging off of the bottom of the airbox almost all of the way to the > >> ground. What is this tube? It seems like whatever is in the tube is > >> solid and there is a plug on the end of it. > >> > >> I think the spark plugs are fine though. My friend came over last > >> night to look at the bike and the spark plugs were one of the first > >> things he checked and he said they seemed fine....and they are brand > >> new plugs. > >> > >> As far as spraying Starter fluid directly into the carbs > >> goes...wouldn't this require me to take the airbox off? > >> > >> Thanks. Dustin. > >> > >> On Jan 11, 7:05 pm, James O'Gorman <[email protected]> wrote: > >>> Hey Dustin, > >> > >>> Like others have suggested, spraying starting fluid directly into the > open carbs (spray all four carbs, one at a time while opening the throttle > and pushing the plunger up) should allow the bike to start and run for about > 1-2 seconds. This will work whether you're getting gas or not; and pretty > much tell you that the timing and ignition are good (leaving the problem to > reside in fuel delivery). > >> > >>> Have you checked the plug gaps? You may be getting spark, but it could > be weak. Try cleaning the spark plug contacts with light sandpaper (not > really recommended though) and re-gap them. You should have a nice, bright > spark. > >> > >>> It sounds like you backed the pilot screws out a few turns. I used (i > think) 3.5 turns out to get mine running. I would blip the throttle a little > as I cranked just in case the idle circuits were plugged. > >> > >>> Try that out and see what happens > >> > >>> - JO > >>> p.s. If you're like me, you'll need a few of these before it is all > said and done: > http://cgi.ebay.com/ebaymotors/Nighthawk-Maxim-EX-Starter-repair-Rebu... > >> > >>> On Jan 11, 2011, at 6:25 PM, Dustin Mcclure wrote: > >> > >>>> I went to Auto Zone today and picked up 2 new hoses for the petcock. > >>>> Unfortunately I bought the wrong size for the vacuum hose so I will > >>>> have to go back tomorrow and get a new one. I came home tonight and > >>>> checked the spark plug connection(everything was straight)...I stuck > >>>> my gas tank back on the bike and hooked up the vacuum hose and fuel > >>>> supply line and tried to fire it up. I took two videos of myself > >>>> trying to fire up the bike and put them on my flickr page. In video 16 > >>>> I try to fire it up at first without putting the choke on and then I > >>>> put the choke on and turn it over some more....You can tell there is a > >>>> big difference. In video 17 the choke is on the whole time. The > >>>> results I got tonight were exponentially better than last night. Last > >>>> night the engine only popped a few times...tonight it sounded like it > >>>> was almost there. Also, in both videos the petcock is in the off > >>>> position(there was gas in the carbs though. This was actually by > >>>> accident...I didn't even realize until after I made the second video > >>>> and by this time the battery was starting to die so I put it back on > >>>> charge. I am going to go back out later tonight and make another video > >>>> with the petcock in the on position and I will post that video. > >> > >>>> Here is the link to my profile. > >> > >>>> http://www.flickr.com/photos/sttlnb53/ > >> > >> -- > >> 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 athttp:// > 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. 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