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March 8th, 2011, 12:15 PM
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#1 |
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ninjette.org member
Name: Alexandre
Location: Montreal
Join Date: Jul 2009 Motorcycle(s): Ninja 250r 09 SE Posts: 172
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tire valve core - do you change it ?
When you change your tire, do you replace the valve core ? if yes, it there a particular model to buy ?
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March 8th, 2011, 12:20 PM
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#2 |
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Join Date: Nov 2008 Posts: Too much.
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no... only if it develops a leak. I find if I keep the valve stems caps on, I almost never have problems with the valve cores.
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March 8th, 2011, 12:23 PM
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#3 |
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ninjette.org member
Name: Alexandre
Location: Montreal
Join Date: Jul 2009 Motorcycle(s): Ninja 250r 09 SE Posts: 172
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That was quick
 thanks kkim !
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March 8th, 2011, 12:25 PM
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#4 |
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ninjette.org certified postwhore
Name: Greg
Location: Rhode Island
Join Date: Apr 2009 Motorcycle(s): 2013 ZX6R 636 Posts: A lot.
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God forbid I go to buy tires for my car and tell them the existing valve stems are good. You might think I just committed some sin. Not sure why I am being all religious on this thread. Anyway I bet those same tire guys who swear I need new stems on my car would plug a motorcycle tire puncture and not think twice about it.
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March 8th, 2011, 01:39 PM
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#5 |
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ninjette.org dude
Name: 1 guess :-)
Location: SF Bay Area
Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much.
Blog Entries: 7
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I change them every 3rd or 4th tire change. Probably unnecessary in some cases, but it's a nit.
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Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered) |
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March 8th, 2011, 01:40 PM
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#6 |
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Join Date: Nov 2008 Posts: Too much.
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core or stem?
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March 8th, 2011, 01:58 PM
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#7 |
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ninjette.org dude
Name: 1 guess :-)
Location: SF Bay Area
Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much.
Blog Entries: 7
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Ah - thought it was one piece, I think it's just the new valve stems. Are the cores retained?
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Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered) |
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March 8th, 2011, 02:09 PM
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#8 |
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Join Date: Nov 2008 Posts: Too much.
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the OP asked about cores, so I assumed the topic was about the cores inside the stems.
I'm like you, after about 5-10 years, I have them replace the rubber stems, but not at every tire change. I have seen them go bad (split at the base due to dry rot), so changing the stems frequently is not a bad idea if you feel the are subjected to extreme conditions. |
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March 8th, 2011, 02:10 PM
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#9 |
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ninjette.org member
Name: Broc
Location: America
Join Date: Dec 2009 Motorcycle(s): 2009 Ninja 250R Black - Sold / 2011 Honda CB1000R Posts: 176
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The core is internal on the valve stem but can be removed separate. I change the valve stem EVERY time I change a tire. Period. It might look good until you're stranded because it broke on a ride. They are cheap as dirt and a good piece of mind while you're in the wheel.
You can buy a valve core remove/valve stem puller assembly for $3 at the local auto store. Yes you need a stem puller, good luck doing to by hand. Cut the old one, fish the new one through, attach puller to cap threads, & viola. 10 seconds of work & a few dollars or a flat tire? or... better yet you can buy those really expensive metal angled valve stems!
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2009 Black 250R - Stock and staying that way. No matter what you do it's still a 250 at the end of the day! Save your money for gear, riding lessons, & a 600cc |
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March 8th, 2011, 02:12 PM
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#10 |
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IC2(SW)
Name: Kerry
Location: Pensacola
Join Date: Nov 2008 Motorcycle(s): . Posts: A lot.
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Kurveygirl.com has some nice ones.
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March 8th, 2011, 02:13 PM
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#11 |
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ninjette.org certified postwhore
Name: Scott
Location: Carlise Ohio
Join Date: Apr 2010 Motorcycle(s): Yahama v star 650 classic Posts: A lot.
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Cores never really go bad, they may come lose though. Really you should replace the valve stem when replacing the tire. They tend to dry rot and can cause leaks.
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March 8th, 2011, 04:31 PM
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#12 |
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IC2(SW)
Name: Kerry
Location: Pensacola
Join Date: Nov 2008 Motorcycle(s): . Posts: A lot.
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wish she had these in 11.3
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March 8th, 2011, 05:48 PM
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#13 |
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ninjette.org member
Name: Broc
Location: America
Join Date: Dec 2009 Motorcycle(s): 2009 Ninja 250R Black - Sold / 2011 Honda CB1000R Posts: 176
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ya, to the OP our valve stem hole size is 11.3mm what he said above^
These ones at kurveygirl are not bad for 10 bucks! Cheapest I've seen!  
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2009 Black 250R - Stock and staying that way. No matter what you do it's still a 250 at the end of the day! Save your money for gear, riding lessons, & a 600cc |
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