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Old 02-25-2013, 12:46 PM   #16
jas123
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Quote:
Originally Posted by Qwik View Post
Factory mounted tire, Stock, Unaltered. Tube. Tire itself looked fine and we couldnt find any puncture marks.
I thought I read couple of posts recently of people having other front tire issues on 2012 990 r's. Can't seem to find the posts now.Something about balance and vibration issues. Anyone remember seeing this? Coincedence?
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Old 02-25-2013, 01:22 PM   #17
akarob
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Wow, glad you are ok. The only crash I've had was on a road late at night, hit black ice, got a front end shake and went down for a good slide. Good luck shaking it off.

That rim is toast, this is your time for an upgrade.
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Old 02-25-2013, 01:52 PM   #18
sonoran
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Hell my bike as seen worse damage from slower spills.

Glad nobody got seriously hurt.
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Old 02-25-2013, 02:11 PM   #19
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The front rim is a standard MX style with no safety bead. As soon as it deflates the tyre is free to wander about on the rim, making it really unstable.

A tubless rim like an Alpina would have kept the tyre in place and the outcome would have been different.

That said, although the rider was unlucky, overall I think luck was on his side..
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Old 02-25-2013, 03:21 PM   #20
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Yes lucky to say for and unlucky event, I would love to know the cause, we are about t buy a new front tyre for MAya and was looking at those, I see the other thread to with the front end wobble .... it could possibly be a dud batch of tires?

Anyway, best to you guys and go buy a lotto ticket.
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Old 02-25-2013, 03:47 PM   #21
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I'm Glad everyone is OK, Thats my biggest fear, going down with the wife on back. Ive learned the hard way a few times about checking air pressure before every ride. since it happened to me more than once, I apparently am thick skulled.
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Old 02-25-2013, 03:56 PM   #22
Katoom119
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That's impressive, both bike and rider. Glad everyone came out ok.
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Old 02-25-2013, 06:32 PM   #23
BigNastybrp
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ok it was me. I was on a two day ride and the speed limit is 65mph, so I would not be going faster then that.

Katomm119, the bags you sold me and the new crash bars saved my bike. thanks you!

tire's I pulled out the drive with 32psi front and 40psi in the back. now that was friday night for a two day ride and checked them sunday morning before pulling out of calostoga.

I have been riding for 21+ years dirt and street and have had more then my share of flats Put never on the free way.

I was thinking not having the rim lock and was part of problem and after reading Peanuts post I would say that was a bigger part of it.

I put my foot down three times trying to keep it up. than I lost the front end it shoot out. we are down and off. back in a few got to go






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BigNastybrp screwed with this post 03-21-2013 at 05:21 PM Reason: my spelling sucks
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Old 02-25-2013, 06:54 PM   #24
BigNastybrp
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Quote:
Originally Posted by HeatXfer View Post
Tire: Punctured or tube/bead failure? Tubed, Tubeless, balance beads, static or dynamically balanced?

Sorry, it's the DCI in me - I need to know
Valves stem ripped I have not found a nail or any thing but I put 90psi to it and can hear and feel air at the stem area.
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Old 02-25-2013, 07:00 PM   #25
BigNastybrp
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Originally Posted by speedy 1 View Post
Insurance will probably cover the repair
but
If wanted ... I've got a set of crash bars that are new / removed from bike at 1K miles
hmmm lets see what progressive says they are going to come look at it with in three days. they say if I dont take the money not change in rate and will tell me if I am at fault? but very cool speedy 1
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Old 02-25-2013, 07:12 PM   #26
BigNastybrp
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Originally Posted by Cyclops Motorsports View Post
I'm Glad everyone is OK, Thats my biggest fear, going down with the wife on back. Ive learned the hard way a few times about checking air pressure before every ride. since it happened to me more than once, I apparently am thick skulled.
so true two bigger fears at once front blow out at speed and having someone on the back.

we are very lucky and glad to be hear to ride more.

I fix is needed front rim and rim lock at a minimum. woody a60 super lace on the way

what more can be done?

tube less I read the goo thing and its a no go on the 21" for off road and my bike is all about off the road soon.
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Old 02-25-2013, 07:58 PM   #27
rotarygirder
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Glad everyone's okay. Those crashbars really work, as I found out at freeway speed as well:



All the welds cracked and the bolts look like bananas, but the frame and tanks were solid.

Let's all keep having crashes where everyone's okay!
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Old 02-25-2013, 08:29 PM   #28
traveltoad
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Quote:
Originally Posted by BigNastybrp View Post
I fix is needed front rim and rim lock at a minimum. woody a60 super lace on the way

what more can be done?
I run two rim locks (both wheels)... they help the wheel stay in balance and they do a whole bunch to keep the tire on the rim.
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Old 02-25-2013, 08:35 PM   #29
Foot dragger
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Quote:
Originally Posted by mjskier View Post
I have to say, while I understand the need for spokes on a bike that is ridden off-road, I wouldn't trust a tubed tire at higher speed. A tubeless tire doesn't usually blow up.
I know some people modify the rim to mount tubeless tires using some sort of goo on the spoke heads. How well does that work, and what happens when you tighten the spokes?
Why wouldnt you trust a tubed tire at higher speed? Superstition? Guys have roadraced in the past at really high speeds with tubed tires with no apparent problems.
A tubeless tire can get cut or fail and blow off the rim at speed about as easy as a tube can go flat.
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Old 02-25-2013, 08:45 PM   #30
Foot dragger
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Quote:
Originally Posted by Peanuts View Post
The front rim is a standard MX style with no safety bead. As soon as it deflates the tyre is free to wander about on the rim, making it really unstable.

A tubless rim like an Alpina would have kept the tyre in place and the outcome would have been different.

That said, although the rider was unlucky, overall I think luck was on his side..
So............how come I have to kick a tire off the rim to change it on my MX style dirtbike rims? It doesnt fall off until I break the bead and loosen the rimlock.

On the other hand if a tubeless tire loses all it's air,and also flops off the rim due to the tire being hot and flexible, your riding on the rim instead of the tire.
That's not real stable either. Back in olden days BSA's and many other streetbikes came with two rimlocks on the rear rim and one on the front,on pure streetbikes. Maybe they had it right.
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