xxexcess 0 Posted January 10, 2007 Share Posted January 10, 2007 in the process of doing the plugs and air filter, having taken the tank off (98 carb) i have got a small bore Y shaped hose that goes onto the tank and then goes under the bike, but i still have one part of this Y pipe that doen't seem to connect to anything, any ideas??? is it simply a breather for the tank/overflow?? Oh and the plugs are easy to do with tank off, the original honda plug tool, 1/4 sq drive 10mm socket. thanks iain Quote Link to post Share on other sites
airborneXX 23 Posted January 10, 2007 Share Posted January 10, 2007 On mine there's the vacuum tube from the cylinder head to BACK of the petcock The fat tube is the overflow and just hangs down, and there's a smaller (same size as the vacuum tube) that also just hangs down from the tank. Quote Link to post Share on other sites
tvking 9 Posted January 10, 2007 Share Posted January 10, 2007 On mine there's the vacuum tube from the cylinder head to BACK of the petcock The fat tube is the overflow and just hangs down, and there's a smaller (same size as the vacuum tube) that also just hangs down from the tank. If by "BACK" you mean front, you're right on Brett. Quote Link to post Share on other sites
airborneXX 23 Posted January 10, 2007 Share Posted January 10, 2007 On mine there's the vacuum tube from the cylinder head to BACK of the petcock The fat tube is the overflow and just hangs down, and there's a smaller (same size as the vacuum tube) that also just hangs down from the tank. If by "BACK" you mean front, you're right on Brett. Damn busted :icon_doh: How's this... don't hook the vacuum line to the port coming out of the bottom of the petcock Quote Link to post Share on other sites
xxexcess 0 Posted January 11, 2007 Author Share Posted January 11, 2007 Thanks so i guess the other part of y tube is simply a breather iain Quote Link to post Share on other sites
kiwimack 19 Posted January 11, 2007 Share Posted January 11, 2007 Thanks so i guess the other part of y tube is simply a breather iain I have the tank off my 97'. I have a tee connector on the vacum line but it is/was for the scott oiler(which I am removing) there are no other 'T' or 'y' connections.......... as per the diagram . good luck with it. mack Quote Link to post Share on other sites
xxexcess 0 Posted January 11, 2007 Author Share Posted January 11, 2007 Having now checked this out further, it seems my Y pipe is absolutely right however there is no answer as to Y it's like this, thanks guys for the help iain Quote Link to post Share on other sites
kiwimack 19 Posted January 11, 2007 Share Posted January 11, 2007 Having now checked this out further, it seems my Y pipe is absolutely right however there is no answer as to Y it's like this, thanks guys for the help iain maybe breathing is different in england?...... Quote Link to post Share on other sites
BeerXX 0 Posted March 22, 2007 Share Posted March 22, 2007 Having now checked this out further, it seems my Y pipe is absolutely right however there is no answer as to Y it's like this, thanks guys for the help iain On the pics on US models the bottom tap it says nothing, but the T on the breather on European models goes to the tap on the bottom of the petcock. Quote Link to post Share on other sites
MildlyRetarded 0 Posted March 24, 2007 Share Posted March 24, 2007 well.......im having the same problem......DOH where does the otherendof the vacuum line connect? Quote Link to post Share on other sites
MildlyRetarded 0 Posted March 24, 2007 Share Posted March 24, 2007 NEVERMIND, I SMOKE CRACK Quote Link to post Share on other sites
tvking 9 Posted March 24, 2007 Share Posted March 24, 2007 Share? Quote Link to post Share on other sites
SmokeyAtl 0 Posted June 11, 2020 Share Posted June 11, 2020 Took the gas tank of my xxx black bird. Now it won't start. not getting gas to the carbs for some reason Quote Link to post Share on other sites
blackhawkxx 2,988 Posted June 11, 2020 Share Posted June 11, 2020 Did you turn the valve back on and did you connect the vacuum line? Quote Link to post Share on other sites
superhawk996 2,758 Posted June 11, 2020 Share Posted June 11, 2020 And, even if everything's connected properly gas will only flow while you're cranking so it'll take a moment to re-fill the carbs, if they sat long enough to dry out. Quote Link to post Share on other sites
XXitanium 1,551 Posted June 11, 2020 Share Posted June 11, 2020 ...vacuum line pulls and opens the petcock if everything is connected correctly, right? ....great zombie thread revival BTW Quote Link to post Share on other sites
Biometrix 550 Posted June 12, 2020 Share Posted June 12, 2020 Did you put the gas tank back on again? If not, that might be your problem.😉 Quote Link to post Share on other sites
superhawk996 2,758 Posted June 12, 2020 Share Posted June 12, 2020 Or slightly less obvious; put gas in the tank? Quote Link to post Share on other sites
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