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Preventing the dreaded rim-tire rust fusion
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PostPosted: Fri Jul 09, 2010 11:00 am 
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Location: Ferndale
Bikes Owned: 1984 P200E ("Best Shitbox" @ MCSD 4), 1973 Honda CB200, 1968 Sprint
Does anyone have any tricks they use when changing a tire for preventing the tire from permanently affixing itself to the rim over time, or is this inevitable?

I've found myself buying new rims when I have to replace a tire and it's a pain. The last time I had to take tires from rims, we used a press in the back of the Honda dealership my friend works at.

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 11:48 am 
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Location: Roseville
Bikes Owned: 66' Sears Allstate 788.94370
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greg showed me his way a couple years ago, and i can do a tire/tube change in 10 minutes per wheel.

the secret is gently using a huge screwdriver.

tool list:
big screwdriver
valve stem tool
ratchet and socket
bicycle pump

i do it in the house so i do not have to be hot or cold. i put a towel on the floor so i do not get the carpet dirty. l set it on the towel. let the air out of the tire. remove valve stem. remove nuts and bolts. slowly , with a huge screwdriver work all the way around releasing bead. easy peasy lemon squeezy.

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 11:50 am 
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Location: Roseville
Bikes Owned: 66' Sears Allstate 788.94370
65' Vespa V9A1T
one must be gentle. i have never damaged a tire using greg's method.

pay attention to which direction the tire will have to go onto the rim. if you do one at a time, the other tire will be a model. now, if you have directional tires, like zippy 1s, i am full of it. that is because tires like that go in different directions front and rear. in which case the other wheel is a model of the opposite.

that is why i dislike zippy 1's. if you use tires like S1s, both tires go on the same which means your spare can be used front or rear.

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 12:07 pm 
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Joined: Tue May 15, 2007 8:53 am
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Location: Ferndale
Bikes Owned: 1984 P200E ("Best Shitbox" @ MCSD 4), 1973 Honda CB200, 1968 Sprint
Thanks Jeff. I was hoping someone knew of something that could be done when putting a new tire on a new (or old) rim that might stop that crazy rust bond from forming. Anyone?

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 12:15 pm 
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Location: Roseville
Bikes Owned: 66' Sears Allstate 788.94370
65' Vespa V9A1T
in theory, you could:
1. get the paint code from eric for the wheels
2. have a can of spray paint made using the code
3. wire brush off all the rust/ maybe sand a little
4. prime the two rim pieces
5. paint the two rim pieces

that will be the most expensive spray paint you ever bought, but you are working full time... do it up, holmes.

after painting, give the paint a couple days to fully dry/adhere

you can make a paint booth out of a big cardboard box and some dry cleaning hangers.

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 2:00 pm 
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Location: Ferndale
Bikes Owned: '6? Lambretta Li150 Sp3c1aL, '79 P200e, 85 Goldwing, Yamaha YZ250, '71 CT175
Don't use the soapy water trick on the tire as it rusts the rims. Use tire spray lube like NoMar.

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 2:29 pm 
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Joined: Tue Jan 17, 2006 3:02 pm
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Location: Ferndale, MI
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I also have heard people using baby powder.

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 3:32 pm 
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Location: Ferndale
Bikes Owned: '6? Lambretta Li150 Sp3c1aL, '79 P200e, 85 Goldwing, Yamaha YZ250, '71 CT175
nater wrote:
Does anyone have any tricks they use when changing a tire for preventing the tire from permanently affixing itself to the rim over time, or is this inevitable?

I've found myself buying new rims when I have to replace a tire and it's a pain. The last time I had to take tires from rims, we used a press in the back of the Honda dealership my friend works at.


That would mean you have some old rusty P200 rims laying around, which I happen to need. Feel like recycling them?

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 9:05 pm 
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Joined: Wed Sep 06, 2006 4:06 pm
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Location: Ferndale
Bikes Owned: Vespas:
1974 Primavera
1978 P200E
smallstate wrote:
greg showed me his way a couple years ago, and i can do a tire/tube change in 10 minutes per wheel.

the secret is gently using a huge screwdriver.

tool list:
big screwdriver
valve stem tool
ratchet and socket
bicycle pump

i do it in the house so i do not have to be hot or cold. i put a towel on the floor so i do not get the carpet dirty. l set it on the towel. let the air out of the tire. remove valve stem. remove nuts and bolts. slowly , with a huge screwdriver work all the way around releasing bead. easy peasy lemon squeezy.

I'm about to do a tire change myself on my P200. What is this valve stem tool you speak of? I have everything else. Is the valve stem tool a 'must have' ? If so could I borrow one from somebody tomorrow?

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Fri Jul 09, 2010 11:15 pm 
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Joined: Mon Nov 24, 2008 9:11 am
Posts: 474
Location: Windsor ON
Bikes Owned: 1974 Honda XL175
1976 Honda CB750
Yamaha DT250
2005 Vespa GT200
1965 TV175
1974 Jet200
1965 Li 150
Tim...it's actually just the valve "core" you need to remove & reinstall. One of your valve caps may be able to be used. Some bicycle valve caps work as well.
Looks like so.....


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core tool.jpg
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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Mon Jul 12, 2010 10:17 am 
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Joined: Tue Jan 17, 2006 3:02 pm
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Location: Berkley
Bikes Owned: 02 Bajaj Legend
74 Rally200,
66 150cc Allstate
64 Allstate 125
64 Li150GP200,
I've used Murphy's Oil Soap to get them on...water gets in there and rusts...just happens and is a pain...I think Darren has switched from Baby Powder to a spray lube of some sort, maybe white lithium grease...I have also have used tire shine...

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Mon Jul 12, 2010 10:32 am 
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Location: Ferndale
Bikes Owned: '6? Lambretta Li150 Sp3c1aL, '79 P200e, 85 Goldwing, Yamaha YZ250, '71 CT175
This is what you want
http://www.nomar-secure.com/product_p/sp-lube-paste.htm

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Mon Jul 12, 2010 10:49 am 
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Joined: Tue May 15, 2007 8:53 am
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Location: Ferndale
Bikes Owned: 1984 P200E ("Best Shitbox" @ MCSD 4), 1973 Honda CB200, 1968 Sprint
"Just a little dab will do." Sounds like Brylcreem.

Can you find this nomar paste in shops around here, or do I have to order the stuff? Anyone have a couple dabs for me?

Thanks!

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Mon Jul 12, 2010 1:56 pm 
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Location: Ferndale
Bikes Owned: '6? Lambretta Li150 Sp3c1aL, '79 P200e, 85 Goldwing, Yamaha YZ250, '71 CT175
This stuff is supposed to be just as good, and they have it at Napa
http://www.napaonline.com/Search/Detail ... 0282384057

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Mon Jul 12, 2010 2:01 pm 
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Ooh, that's just right. Thanks!

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Mon Jul 12, 2010 5:46 pm 
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Location: Royal Oak, MI
Bikes Owned: 1974 Rally 200
2005 PX150
Dunno, I was maybe thinking a light coat of neverseez. Haven't tried it. Might cause slippiness on the bead to rim, tho.

My technique is to squish the tire right at the bead line in a vise.


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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Mon Jul 12, 2010 6:04 pm 
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Joined: Tue Jul 14, 2009 12:56 pm
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Location: Ferndale
Bikes Owned: '6? Lambretta Li150 Sp3c1aL, '79 P200e, 85 Goldwing, Yamaha YZ250, '71 CT175
If it doesn't dry out you get slippy tires. And when wet you want slippy plus rust inhibitor. Or you could just get 'em powder coated like rich blokes.

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Re: Preventing the dreaded rim-tire rust fusion
PostPosted: Tue Jul 27, 2010 2:19 pm 
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Location: Cow-town
Bikes Owned: '76 Tuned ET3 (for sale)
'57 Allstate
'66 SS 180
'60 VS5 in pieces
'78 Puch Maxi Sport MKII
I coat in PB blaster (not WD40) before putting tires on the rim.


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