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Old 10-27-2013, 12:57 PM   #1
dogjaw OP
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High side, rode home...

It had been misting yesterday, but had dried out a bit, so I decided to go down to the local stealership and check out any new arrivals. I was riding my CB500X on the divided four lane, preparing to stop to make a u turn when the light changed, so I made the left turn, felt Ike I rolled on smoothly, only to find myself jack hammered into the pavement with the bike on the ground behind me. There is an article in Cycleworld concerning cold tire high sides, and it would appear that this was a textbook case. HJC helmet, alpine stars jacket and boots, dragginjeans,
all unscathed, Sedici gloves took the brunt... Pulled a groin muscle, sprained wrist, feel like a truck hit my shoulders, but otherwise physically fine, mentally a little shaken, rode the bike home(slowly), parts flapping in the wind.
I am very thankful to be relatively unscathed; it could have been much worse.

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Old 10-27-2013, 03:15 PM   #2
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You made a leleft turn off a light and highsided...? Or had you not yet stopped?
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Old 10-27-2013, 03:55 PM   #3
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The light changed as I was rolling up on it; I never came to a complete stop. I may have been coasting through the 180, but I honestly don't remember; it happened in a flash, as it usually does...
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Old 10-27-2013, 04:31 PM   #4
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Cry Sorry to hear..

Sorry to hear about your mishaps
I am glad you are ok and not seriously hurt. The bike can be fix
Speedy recovery so you can get back on the saddle
Alway like the look of that CB500X
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Old 10-27-2013, 06:15 PM   #5
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Nice job wearing gear! Could have been much worse!
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Old 10-28-2013, 05:36 AM   #6
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Must have been oil
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Old 10-28-2013, 08:14 AM   #7
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Glad your OK. Don't let the armchair quarterbacks bug you, every crash is an example of an oh-oh moment, and not all, in fact few, are avoidable under the same circumstances. It takes balls to ride after a crash, and even bigger ones to post your screw ups on here. chive on Bro!
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Old 10-28-2013, 09:37 AM   #8
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thanks for the kind words; I have made that same 180 turn a thousand times before on much more powerful bikes, it's amazing how quickly things can go pear shaped. It brings to my mind the issue of letting others test ride bikes I have sold, as this type of turn, on cold tires, is the exact scenario a prospective buyer would encounter. I consider myself a reasonbly proficient rider, MSF/ERC courses, dirt rider, etc, and I realize now more than ever that anyone can go down in a millisecond.



I am often tempted to not fully gear up on a short jaunt such as this one was, but I am infinitely glad I did... I'm also sometimes tempted to purchase a 3/4 helmet, that won't be happening either.
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Old 10-29-2013, 12:27 PM   #9
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In an attempt to learn from your misfortune, how exactly did cold tires result in a highside at what I'm assuming was a pretty low speed? I'm not getting the mechanics involved here.

And I'm glad it was only your bike's parts that were flapping in the wind on the ride home...
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Old 10-29-2013, 12:36 PM   #10
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Here is a video of a "baby" high side. I would be willing to bet it happened this way.

http://www.youtube.com/watch?v=wDxnoIhTseE

Starts out as a slide, then it grips for just enough time to throw the bike down.
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Old 10-29-2013, 12:40 PM   #11
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Quote:
Originally Posted by Horizontal View Post
In an attempt to learn from your misfortune, how exactly did cold tires result in a highside at what I'm assuming was a pretty low speed? I'm not getting the mechanics involved here.

And I'm glad it was only your bike's parts that were flapping in the wind on the ride home...
Stepping out the rear tire through wheel spin, realizing something goes wrong, chopping the throttle while crossed up, wheel grips, you high side. Even at low speed, a high side still sucks.
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Old 10-29-2013, 12:45 PM   #12
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Quote:
Originally Posted by Horizontal View Post
In an attempt to learn from your misfortune, how exactly did cold tires result in a highside at what I'm assuming was a pretty low speed? I'm not getting the mechanics involved here.

And I'm glad it was only your bike's parts that were flapping in the wind on the ride home...
I dont quite get that either,unless a person was hard on the gas the back end doesnt just kick out. It does sound like some oil or antifreeze was on the pavemento. Racers crash on cold tires but on the street?
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Old 10-29-2013, 12:58 PM   #13
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Quote:
Originally Posted by r60man View Post
Here is a video of a "baby" high side. I would be willing to bet it happened this way.

http://www.youtube.com/watch?v=wDxnoIhTseE

Starts out as a slide, then it grips for just enough time to throw the bike down.
Thanks for that vid. Seems to me that the rider entered that turn too hot rather than a skid brought on by something slick on the surface.

So is there anyway to recover if the rear decides to go for a dance?
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Old 10-29-2013, 01:54 PM   #14
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Thanks for that vid. Seems to me that the rider entered that turn too hot rather than a skid brought on by something slick on the surface.

So is there anyway to recover if the rear decides to go for a dance?
Racers try their hardest to save a highside,its about the worst crash for a rider short of hitting a car. If its a brake slide,letting off the brake will cause a highside instantly. Usually a highside under power happens so quick your in the air before you know what happened.

Street tires arent really designed to need much warmup to grip pretty darn good,otherwise people would highside all the time.
Wet pavement,oil,antifreeze,leaves,sand are more the reasons to be sliding a streetbike. Ive never slid a streetbike on pavement under power in 40 some years of riding them,there isnt room or the need to be sliding a bike on the road.

I did highside an XS650 with a brand new rear tire I had put on, then forgot all about when I took off on an off camber corner a week later,it went quick.
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Old 10-29-2013, 01:57 PM   #15
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Originally Posted by uraberg View Post
Stepping out the rear tire through wheel spin, realizing something goes wrong, chopping the throttle while crossed up, wheel grips, you high side. Even at low speed, a high side still sucks.
500 twins arent noted for spinning up tires on pavement.

Sliding dirtbikes is great fun but not quite the penalty for a screwup.
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