Air pump on petrol stations - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
General V-Strom Discussion Talk about all things V-Strom not limited to just one of the above models

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post #1 of 17 Old 05-02-2012, 10:09 PM Thread Starter
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Air pump on petrol stations

Hello Fellow stromtroopers,

When I pump air into my sneakers in the petrol stations I notice that I have to bend the valve to make the hose fit. I think through the years it can cause a malfunction or air leaking.

Is there a solution for that?

like a L shape convertor or something like this?

any help is appreciated

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[url]http://v-strom123456789.blogspot.com/[/url]
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post #2 of 17 Old 05-02-2012, 10:13 PM Thread Starter
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I used to have the same problem with the tyre pressure gauge but got a L shaped one.

Is there in the market a device that can do both measure and be a convertor as well?

I don't trust the petrol station pump pressure gauge. Here in OZ we have the ones that you set up the psi and it does it automatically. I never get the same psi when I compare with the tyre pressure gauge I've got

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[url]http://v-strom123456789.blogspot.com/[/url]
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post #3 of 17 Old 05-02-2012, 11:56 PM
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K&L Right Angle Valve Stem - Street Bike - Motorcycle Superstore

not sure of the size for the strom but i plan on putting them in during the next tire change.

'08 DR650, '07 DL1000
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post #4 of 17 Old 05-03-2012, 01:24 AM Thread Starter
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thanks for that !

I just got new tyres but will consider next time.

maybe I am being paranoid and don't really need anything ? otherwise it will be for sale already

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V-Strom: "The bulletproof machine"

[url]http://v-strom123456789.blogspot.com/[/url]
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post #5 of 17 Old 05-03-2012, 02:02 AM
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Another choice:

90-degree Aluminum Valve Stems, * 11.3mm * (select color), PJ's Parts

79 GS1000S
97 TL1000S
2005 DRZ400
2005 KDX220R
2007 DLK
2009 KLR650
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post #6 of 17 Old 05-03-2012, 02:37 AM
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DO NOT USE 90 degree valve stems!
They end up failing due to the tire's rotation interacting with their inertia (which is exacerbated by the extra weight); they fail in exactly the same way that bending your valve stem to fill the tire will cause it to fail.

The solution is to use the shortest valve stem you can fit on the tire.

The other and better solution is to carry a small (slime) compressor under your seat and fill the tire before you ride. The advantage to that is you're not pumping your tire full of water like you do at the petrol station.
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post #7 of 17 Old 05-03-2012, 02:55 AM
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Quote:
Originally Posted by SittingDuck View Post
DO NOT USE 90 degree valve stems!
They end up failing due to the tire's rotation interacting with their inertia (which is exacerbated by the extra weight); they fail in exactly the same way that bending your valve stem to fill the tire will cause it to fail.
Got to disagree with you on this one. The link I posted is for a threaded base valve stem. These have been used on sportbikes capable of much higher speeds than a Vstrom with no failures reported in any forums they have been recommended in. Mine have gone through over 5 years of use on my TLS and still holding air, and it sees 125+mph regularly.
Your assessment might be accurate for the pull through the rim type rubber base ones, and I think you would probably be right. I wouldn't trust that type for longevity.

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post #8 of 17 Old 05-03-2012, 06:54 AM
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One can buy a 90 deg adaptor that one fits to the existing valve stem just to inflate the tyres. One then removes it.

I have one in my kit.

here's a pic I found on the 'net:


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Last edited by p38arover; 05-03-2012 at 06:57 AM.
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post #9 of 17 Old 05-03-2012, 07:04 AM
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Quote:
Originally Posted by SittingDuck View Post
DO NOT USE 90 degree valve stems!
They end up failing due to the tire's rotation interacting with their inertia (which is exacerbated by the extra weight); they fail in exactly the same way that bending your valve stem to fill the tire will cause it to fail.

The solution is to use the shortest valve stem you can fit on the tire.

The other and better solution is to carry a small (slime) compressor under your seat and fill the tire before you ride. The advantage to that is you're not pumping your tire full of water like you do at the petrol station.
Not to be argumentative but the 90 valves were standard on my 1600 Vulcan. I've never had the first hint of a problem since 2005 when it was new.

Buck

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post #10 of 17 Old 05-03-2012, 07:20 AM
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Quote:
Originally Posted by teevee View Post
K&L Right Angle Valve Stem - Street Bike - Motorcycle Superstore

not sure of the size for the strom but i plan on putting them in during the next tire change.
Work well, make sure you get the one piece ones.

The universe won't end and your wheel won't explode

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