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Author Topic: LS rims and tubes  (Read 2651 times)

Offline nhmaf

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Re: LS rims and tubes
« Reply #15 on: May 22, 2009, 11:21:15 AM »
That's actually an old stem nut that was on the bike when I first got it.  It is strangely "double thick" with that bushing-looking bit, but it is all one piece.  When I changed the tires and tubes, I managed to misplace the new nut and re-used the old one.  If I put the new knurled stem nut on like you see in the earlier pic of the tube, it would give me even more clearance in that area and I'd have over 1/2" protrusion.  I don't know why the tubes from earlier in this thread apparently come with (2) nuts except so that they could be used to 'lock' one another, but that takes up too much thread space.....
Airhead #12178 ? BMWMOA #123173 ?BMWRA #33525 ?GSBMWR #563 ?1982 BMW R65LS ?1978 BMW R100/7 1998 Kawasaki Concours

Offline Justin B.

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Re: LS rims and tubes
« Reply #16 on: May 22, 2009, 12:48:27 PM »
I had to do something so I ordered two IRC brand tubes.  They have TR-4/TR-6 straight valvestems and the Metzler description states "TR type" stem...
Justin B.

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1981 R100RT - Summer bike, NEKKID!!!

Offline Justin B.

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Re: LS rims and tubes
« Reply #17 on: May 29, 2009, 09:54:50 AM »
Here is the IRC tube with the second stem nut in place (pic 1) and then WITH the second nut removed (pic 2).  I'm not sure what the second nut's purpose is but I took it off and we'll see what happens...
« Last Edit: May 29, 2009, 11:38:57 AM by admin »
Justin B.

2004 BMW R1150RT
1981 R100RT - Summer bike, NEKKID!!!

Offline suecanada

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Re: LS rims and tubes
« Reply #18 on: May 29, 2009, 10:53:37 AM »
I have taken notes of both the Metzler and IRC successful tube choices for future use! Thanks! Like nhmaf, the rear is much more of a problem than the front which seems to be longer and to take air so far!  I agree with Justin, there is no excuse for this! Back in the 80's either I wasn't too hung up about air in the tires  :o  or the valve stems were longer!!!

So much seemed to be simpler back then! Ignorance is bliss???
1983 R65LS - LRB still my favourite!? 1988 Honda NX250, "Toodles Too" and a Suzuki DR650, "Calypso." All stored in the "Brrrmmm Closet".

Offline MrRiden

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Re: LS rims and tubes
« Reply #19 on: May 29, 2009, 07:59:42 PM »
Just who's rims are those Justin? Lookin' froward to seeing how the tubes werk out.
rich
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Offline nhmaf

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Re: LS rims and tubes
« Reply #20 on: May 29, 2009, 08:07:31 PM »
OOooo, shiny !

Did you use a clearcoat over those wheels, or is that just the argent silver wheel paint?

I can only think that the (2) stems nuts are for "locking" one against the other (why that would be critical I don't know as they have a valve cap on there too).    I really don't think that any nut should be left on the inside of the rim when the tubes are installed.   The nuts ARE handy for keeping the stem from hiding itself back inside while wrassling with the tire...
Airhead #12178 ? BMWMOA #123173 ?BMWRA #33525 ?GSBMWR #563 ?1982 BMW R65LS ?1978 BMW R100/7 1998 Kawasaki Concours

Offline Justin B.

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Re: LS rims and tubes
« Reply #21 on: May 30, 2009, 01:39:03 AM »
Rich, that's my wheel, you wanna make something of it!!??  ;)

Mike, no, just the Eastwood Silver Wheel Paint...  They do have a clearcoat for it but it's not mandatory.
Justin B.

2004 BMW R1150RT
1981 R100RT - Summer bike, NEKKID!!!