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Smilin' Jack
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« on: August 17, 2023, 07:51:41 AM » |
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Been a long time since posting here as my son borrowed my bike and I finally took it back. That is another story for another day
Removed the fuel tank. Clutch was not working-got the pressure back in the grip, The vacuum/ vent line that has the plastic T in the middle on end fastens to the tank the other side I am pretty sure just goes out under the bike as a drain. What is connect if anything to the plastic T middle fitting???
The hoses are old. Looks like wiper hose from a car. Is it? can that be used to replace the little hose perhaps an1/4 in OD
Thank you for your replies
Smilin’ jack
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Challenger
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« Reply #1 on: August 17, 2023, 08:22:51 AM » |
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Nothing connects to the third port on the tee. It is a vacuum break to inhibit siphoning.
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Skinhead
Member
Posts: 8727
J. A. B. O. A.
Troy, MI
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« Reply #2 on: August 17, 2023, 08:23:36 AM » |
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Nothing attaches to the "T", it is a vacuum break to prevent low pressure in the tank from drawing in water in wet conditions. Since this hose is just a vent, you could use any type of similar size hose to replace it.
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sandy
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« Reply #3 on: August 17, 2023, 10:09:28 AM » |
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The tubing is 3.5mm vacuum tubing. I found it's best to use OEM. Check Partzilla. Years ago I got a 3000mm (approx 26FT) for $41.
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Smilin' Jack
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« Reply #4 on: August 18, 2023, 04:58:23 AM » |
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Thanks for the quick response. Appreciate it
Jack
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gordonv
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Posts: 5760
VRCC # 31419
Richmond BC
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« Reply #5 on: August 18, 2023, 05:48:25 PM » |
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I bought silicon to replace mine, shouldn't break down as quickly if at all.
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1999 Black with custom paint IS   |
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98valk
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« Reply #6 on: August 18, 2023, 07:32:11 PM » |
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I bought silicon to replace mine, shouldn't break down as quickly if at all.
not the best material to use https://www.siliconehose.com/blog/the-impact-of-environmental-factors-on-silicone-hoses/ |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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pancho
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« Reply #7 on: August 20, 2023, 04:14:06 PM » |
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All the intake nipples supply the same amount of vacuum. Any hose will work on any port. Just be sure to have a cap on all unused ports.
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The most expensive things you will purchase, are those things you would not have needed if you had listened and obeyed.
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RonW
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« Reply #8 on: August 20, 2023, 06:26:34 PM » |
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The vacuum hose at #3 cylinder is the most likely to fail. The hose makes a sharp bend coming off the nipple. This condition wouldn't exist if Honda put that hose on #5 instead. Any idea why it is on #3? Figure it would work the same if moved to #5?
Thanks / Pluggy
Just asking but why not get rid of those 20 year old tubes as a preemptive measure? Toss the PAIR valve while you're at it and plug the reed valves' intake spouts.  |
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« Last Edit: August 20, 2023, 06:42:22 PM by RonW »
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2000 Valkyrie Tourer
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pancho
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« Reply #9 on: August 21, 2023, 09:58:13 AM » |
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]My speculation was the firing order 1-4-5-2-3-6 has something to do with it. It puts those small pulses of vacuum "opposite" each other. Perhaps for a smoother flow of vacuum?
Well, you may have something there Pluggy, but I can attest to the fact that the secondary air supply system will work with the vacuum supplied differently. At least I've been under the impression that mine has been working from the way it acts under hard deceleration... I could be wrong
As far as wanting to keep keep her as she came, my experience is that if you are interested in the value of an older vehicle, you'll never do better than bone stock.
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« Last Edit: August 21, 2023, 10:01:59 AM by pancho »
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The most expensive things you will purchase, are those things you would not have needed if you had listened and obeyed.
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mello dude
Member
Posts: 951
Half genius, half dumazz whackjob foole
Dayton Ohio
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« Reply #10 on: August 26, 2023, 12:32:42 PM » |
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lol  |
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* There's someone in my head, but it's not me.......
* Mr. Murphy was an optimist....
* There's a very fine line between Insanity and Genius.....
* My get up and go, must have got up and went.....
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