Author Topic: 90 degree valve stems (Read 7572 times)

VirginiaJim · « **on:** May 08, 2013, 04:08:13 AM »

I'm thinking of adding a 90 degree valve stem during my next tire change which is going to occur very shortly on the rear wheel.

Murph has two types, a one piece or a two piece.

http://www.murphskits.com/catalog/product_info.php?cPath=130_136&products_id=417

http://www.murphskits.com/catalog/product_info.php?cPath=130_136&products_id=494

Any advantage to using either? The tire is coming off regardless.

gPink · « **Reply #1 on:** May 08, 2013, 04:26:48 AM »

I haven't used either but I would think one piece would be better than two piece.

VirginiaJim · « **Reply #2 on:** May 08, 2013, 04:36:40 AM »

Less chance of a seal going bad?

gPink · « **Reply #3 on:** May 08, 2013, 04:47:36 AM »

It may not be an issue but one less joint to possibly leak.

Broz · « **Reply #4 on:** May 08, 2013, 05:43:39 AM »

I went w the 1 piece. Makes airing up so much easier.

Sinstr · « **Reply #5 on:** May 08, 2013, 07:37:53 AM »

I have been running th eone piece for the last six months, no problems.

CrashGordon · « **Reply #6 on:** May 08, 2013, 04:18:21 PM »

Can't help you on one vs. the other. Went with the one piece at my last tire change and they work great. As was mentioned in an earlier thread, they seem to hold air better than the stock ones did.

fmwhit · « **Reply #7 on:** May 08, 2013, 06:44:15 PM »

I have had both and I like the one piece better. It seems like it is stronger.. Its definitley a great addition to this bike.

VirginiaJim · « **Reply #8 on:** May 09, 2013, 04:26:54 AM »

That's what I'll go with then. Now, I have to remember if I ordered anything from Murph yesterday morning....

C1xRider · « **Reply #9 on:** May 09, 2013, 11:24:14 PM »

I removed my 90 degree valve stem. I couldn't keep the tire balanced with it on the wheel. Of course it was only a problem once the speedometer moved into triple digit range, so it might be acceptable to most. I guess the phrase YMMV is applicable here.

VirginiaJim · « **Reply #10 on:** May 10, 2013, 04:07:17 AM »

This brings up a good point...for the ones that do have the 90 stem, do you have it mounted parallel to the wheel or facing outwards? I'm thinking parallel at the moment would work best for me.

C1x, did you balance the wheel or did you get balanced via machine?

C1xRider · « **Reply #11 on:** May 10, 2013, 10:13:45 AM »

Quote from: VirginiaJim on May 10, 2013, 04:07:17 AM

This brings up a good point...for the ones that do have the 90 stem, do you have it mounted parallel to the wheel or facing outwards? I'm thinking parallel at the moment would work best for me.

C1x, did you balance the wheel or did you get balanced via machine?

I balanced it myself using the gravity method, several times. I was really surprised how much weight it required the first time after I installed it. Don't remember exactly, but it was more than I expected. That was with a PR2 rear. Never installed one on the front.

DGOLD · « **Reply #12 on:** May 10, 2013, 12:40:16 PM »

I love the 90 degree one piece! It faces out and no issues with the balance. Now I don't curse every time I add air.

VirginiaJim · « **Reply #13 on:** May 10, 2013, 12:41:36 PM »

Pity, we could use some more cursing..

and

Conrad · « **Reply #14 on:** May 10, 2013, 01:07:12 PM »

Quote from: VirginiaJim on May 10, 2013, 12:41:36 PM

Pity, we could use some more cursing.. and

that

marku8a · « **Reply #15 on:** May 10, 2013, 02:17:54 PM »

Quote from: C1xRider on May 09, 2013, 11:24:14 PM

I removed my 90 degree valve stem. I couldn't keep the tire balanced with it on the wheel. Of course it was only a problem once the speedometer moved into triple digit range, so it might be acceptable to most. I guess the phrase YMMV is applicable here.

I have the one piece 90s pointed outboard. I gravity balanced mine and have no problem at XXX mph.

Mark

Broz · « **Reply #16 on:** May 11, 2013, 05:25:12 PM »

Quote from: C1xRider on May 09, 2013, 11:24:14 PM

I removed my 90 degree valve stem. I couldn't keep the tire balanced with it on the wheel. Of course it was only a problem once the speedometer moved into triple digit range, so it might be acceptable to most. I guess the phrase YMMV is applicable here.

Everyone knows your supposed to have one point to the left and one point to the right and bingo......Balanced.

VirginiaJim · « **Reply #17 on:** May 12, 2013, 07:14:04 AM »

I didn't know that...or are you pulling someone's leg?

marku8a · « **Reply #18 on:** May 12, 2013, 10:47:44 AM »

Quote from: Broz on May 11, 2013, 05:25:12 PM

Everyone knows your supposed to have one point to the left and one point to the right and bingo......Balanced.

So I guess that explains why mine is balanced. I installed the rear pointing right so it would be on the "up" side while parked on the side stand. I had the dealer install the front while replacing the TPS under warranty. Although I taped a note on the windshield and a note on the wheel itself saying to point right, they installed it pointing left!

VirginiaJim - It shouldn't make any difference having them pointed in the same direction. Having said that, I would be interested to know if someone had a different experience.

Mark

Broz · « **Reply #19 on:** May 12, 2013, 02:16:03 PM »

I was joking. But I too had the rear pointing right front left. But flipped the rear to point left to keep it from a hot muffler incase I have to do roadside repair. Haven't ridden bike since changing it. Waiting for my ECU. I seriously doubt the few grams 10mm off center will be noticeable.

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Author Topic: 90 degree valve stems (Read 7572 times)