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Crash Analysis

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what do you think caused this accident? (Youtube description said the rider is ok)

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24 Comments

My thoughts are a combination of inexperience and the white line?
It's pretty clear that it happened as soon as the tyre went over the white line. White line paint isn't a good place to be on a corner. Even worse if your tyres aren't in good shape. Te rider obviously took the corner too hot and hence the reason for being too wide. The better position is the apex of the corner, some 3-4 feet to the left.

Looks like a inexperience rider went into the corner to fast.

I'll agree with Beachy. Even with his speed up his position going into the curve would have prevented contact with the line. He started drifting right away, doesn't appear comfortable leaning the bike over....

Oh geez! Poor bike (and biker)... My humble opinion:
inexperienced , new rider, new heavy bike(?)... But most of all - wrong posision before the curve... In my opinion (what I´ve learned) he should be far more to the right before start taking that curve - that would make his path more "straight".... At 00:20 you can see that he´s almost at yellow middle lines... That was obvious that he will be more to the right AFTER the curve.... Lower speed could save him in that situation or right position on the road before the curve...

Read:
http://www.mgnoc.com/article_much_ado_about_cornering.html

 photo cornering_zps92c4e17c.gif

 photo apex_zpsa5b8484b.jpg

IMveryHO that couldn't happen if he had tyres in good condition (could be sand on the line) or the dark spots (several meters before touch down) would have been dry...

Wow makes you think twice about riding, what went in the world went wrong?

Looks like he applied the brake on the white line. He should have took the corner tighter to the center or at least in the middle. Im glad to see this, I will def take into consideration when riding myself.

also think he should have been tighter in the corner,but don't know how fast he was going either, looks like he just got to wide and slide when he hit the white line and dirt.

I'm wondering if he thought is tires were too wet and not dry enough and was afraid of leaning it tighter into the curve after he realized he was going a bit too fast. He seemed to do ok in the other curves.

My thoughts also, Randy.

Good pictures Marek!
I agree, curve turning, position and speed combination caused that.

Way to wide. Ouch.

I had my buddy Can visit this weekend, he was a professional sportbike racer and is now a motorcycle riding and safety instructor (http://www.superbike-coach.com). He confirmed what you all said earlier:
- the rider didn't enter the left turn "correctly", he should have started towards the outside of the lane and then turned earlier to the inside. That way his leaning angle wouldn't have been as much and he would have not "run out of road".
- he still could have prevented the crash by not locking up the rear wheel when it was on the white line, it didn't appear that he was going that fast. Just using the front brake or leaning the bike a bit more without braking would have allowed him to finish the turn and then slow down before the next turn.

Riding the correct "line" is very important, not only when you want to go fast. Because you don't lean as much you have more opportunities to make corrections plus you can see into the corner much sooner. Can taught me that in 2009 and it complete changed my riding.

I'll try to get Can share more of his knowledge on the site in the future.

I agree with most all comments except the speed comments. He didn't appear to be going fast at all. Maybe this would be an issue for a new rider or inexperienced rider. Wrong line into the curve and a 'panic' manuover 'braking' to hard with a wet tire and the painted line appears to be the culprits.

It looked to me that the rider accelerated slightly just after the 20 miles curve sign, and came in in the wrong lane spot.

Yup, at :25 he is attempting to fix what he should have avoided before this. Way outside the Apex, white line, grass, gravel, etc., perhaps rear braking a fatal mistake, could have slowed, gone straight, not attempted to be heroic, because bike enertia is sliding out and he cannot recover from this.

Looks like lack of attention,day dreaming. To much rear brake I think is a good call on this. He might have saved himself staying a little more off the brakes and gas. It would have been hair raising with out wiping out.

I think the water on the road put him off for the correct line into the corner.
Start the corner wide and look down the road(not just in-front of you as the bike will go where you look).
Look for the apex of the curve and that's where your bike will go.
The biggest fault is that people only ride that short distance in front of them.Especially when riding behind someone.
They are watching the tail light of the guy in front instead of the road ahead.

I'm glad he's okay. I've seen this before when guys are riding cruisers. If you're in too tall of gear riding comfortably you may not be ready to react. It looked like his feet were on the forward pegs and he was in a very relaxed position. I would suggest feet flat on the floorboards giving you access to the brake and two shift down or shift up. You also would be sitting in the more upright position allowing you to move your weight from side to side. ( lean). I was not there but if you're in the proper riding position and in a lower gear. I think he would've been able to accelerate out of the corner into the next right. I have had good success when traveling the Windee's to treat my cruiser as a sport bike. When you're working those curves you need to use the whole road. Hold your apex and don't look in the mirrors.

Seeing this one more time I also remind myself and others of the poor use of the rear brake. For some odd reason, seems many folks on bikes want to use the rear brake as it may seem a safe option. Often folks push down on the pedal for rear brake without realizing they are doing it, i.e., they are always doing it. One rider in a training seminar once said rather officially, "it lowers the bike so I can turn..." To which the instructor corrected him, "that is a false assumption," what is actually happening is you're locking the rear tire, after which it has no other option but to slide.

Front braking is critical, and rear brakes used in combination with front are a great stopping device. Looking back again at this unfortunate fellow, we do not see that he probably (as Uwe mentions ) pressed that rear brake pedal--unseen to us, combining the worse possible ingredient with a poor apex execution. Just reflecting on this again.

I rarely drive a car anymore but for some people that drive and ride it's probably a reflex to hit the brake pedal when they got in a dicy situation?
In those situations ABS is really useful

I drive and ride on a daily basis during riding season. sometimes I change vehicles within same day several times. I don't have that reflex. It's like switch inside, especially for braking... the problem I face when switch from the bike to the car is that the first thought when approaching the street light with cars waiting for their light is to squash between them to get to the front line )))

ABS is a useful tool for braking. For most people it takes he thinking out of braking. I still stick be my look on this. He wasn't paying attention with set him up wrong in the turn. I think inexperience can also lead to over use of rear braking. Its not a push bike with coaster brakes.

On a different note, He was lucky as hell that the bike didn't bounce on him. Seen similar at Ocean City MD when idiots with Jet Skis run the surf and beach edge (illegal) and catch the sand. The results can be devastating.

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