Airing up the back tire - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 12 (permalink) Old 03-29-2016, 03:06 PM Thread Starter
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Airing up the back tire

I am not sure if this should go here or in the General section but here goes. Of all the mechanical, electrical, and otherwise general issues we have with our bikes, I have just realized one that one never really thinks about. Until, that is, you try to do it. By that I mean the bone-head simple act of putting air in the back tire. It would seem that it is, in fact, rather difficult to do. Within a few miles of my house there are many gas stations that have air pumps. Absolutely NONE of them will fit for my back wheel. I happen to have an old style bicycle pump. It has a 90-degree end to it's air hose and I thought that would fit. Nope. It, too, is too big to fit in the confined space. So I am now in the process of modifying it to see if I can get it to work. Assuming that I can trim it down to fit, I am now very aware that I should pack this bicycle pump with me for trips. I can't depend on gas station air pumps. I find it interesting that the subject has not come up before (at least I don't remember reading about it.) It would have been nice if Kawasaki would have included a fitting of sorts with the bike for rear tire fill-ups.
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post #2 of 12 (permalink) Old 03-29-2016, 03:16 PM
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I remember something about 90degree valve stems
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post #3 of 12 (permalink) Old 03-29-2016, 03:19 PM
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Here's a link or two https://www.vn750.com/forum/showthread.php?t=14613

https://www.vn750.com/forum/showthread.php?t=5955

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post #4 of 12 (permalink) Old 03-29-2016, 03:20 PM
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I use my buddy's compressor. He has a fitting at the end of a flex hose that fits perfectly.

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post #5 of 12 (permalink) Old 03-29-2016, 03:29 PM
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I have no problems with most air chucks fitting my valve stem.. maybe the one on yours is too long?

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post #6 of 12 (permalink) Old 03-29-2016, 04:59 PM
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yeah, it's been talked about before, but it's been a few years.

I bought a pair of valve stem extensions like these...

Pair of Tyre Valve Extension 90 Degree Adaptor Motorcycle Car Tire Stem Extender | eBay

a few years ago. love em! they work great. I carry one of the wife's bike and one on mine. never leave home without one. worth every penny I spent on them. which wasn't much. lol

oh, by the way, if you do end up getting these, do not leave them on the bike valve stem after you air up the tire. take them off. or they could really mess up the valve stems and then you will really have some air problems.

if it goes vroom or boom, I LIKE IT!

Last edited by ruger; 03-29-2016 at 05:02 PM.
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post #7 of 12 (permalink) Old 03-29-2016, 06:59 PM
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Wonder if it could be loosened and spun around inline with the rim when not in use? Would beat breaking the tires down to install 90s.

I can get air in ok, but the tire gauges are a PITA to get in there.

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post #8 of 12 (permalink) Old 03-29-2016, 07:07 PM
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Quote:
Originally Posted by OleDirtyDoc View Post
Still have these installed, almost 6 years now. Still work and look great, no leaks, no issues adding air to the tire, etc.


Chris Glennon - Portland, OR
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post #9 of 12 (permalink) Old 03-29-2016, 07:09 PM Thread Starter
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Ruger I like those. I take it that you hold it in place and use the other hand to screw it on the existing valve stem? I'll need to procure one because my bicycle pump simply won't work. I get 4 maybe 5 pumps and then it pops off. Later this summer when I get new tires then I'll make sure the back stem is an angled one. But for now, I have 9lbs of air in the rear. I also have two different 12v air compressors for emergency airing up. I always carry them in my vehicles when we travel. But they won't fit either so those adapters are looking real good.
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post #10 of 12 (permalink) Old 03-29-2016, 11:38 PM
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Note that the valve stem extenders are not to be left on a standard straight rubber valve stem when riding. They put too much stress on the rubber and can eventually snap it off. Not good if you're in motion.

Buy the metal 90 degree valve stem (it is only $2) and install it next time you buy tires.
https://www.jakewilson.com/p/1753/19...rm=valve+stems

Next time I switch tires, I will probably go with the 45 degree model. Also $2.
https://www.jakewilson.com/p/1753/20...ome-Valve-Stem


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