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Old 08-03-2009, 03:56 PM   #1
agentjayjay
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front brakes lock up, ex500

1st time it happened, i was on w. alabama at 35 mph, and i hit the brakes hard to avoid hitting a car. fell and scraped my left knee.

2nd time it happened i was driving away from church and this idiot braked suddenly in front of me, i hit the front brake hard again, and fell the same way. now typing hurts.

my question is i used to not have this problem (holding the front brake hard), now it happened twice. what should i do?
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Old 08-03-2009, 04:18 PM   #2
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there's nothing you can do because it's clearly the brake's fault... seriously, every time i stomp on the rear brakes, they lock up too. every single bike has done this to me.
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Old 08-03-2009, 04:19 PM   #3
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dont use all 4 finger to brake. use 2 fingers at most.

also I would go out and practice some defensive driving/emergency braking in a parking lot so you can get used to putting the brakes on smooth without lockin em up.
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Old 08-03-2009, 04:26 PM   #4
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practice practice practice, squeeze vs grab!

and don't listen to ^ 1st part

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Old 08-03-2009, 04:27 PM   #5
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only use one or two fingers on the front brake, try combining the use of your rear brake and most importantly... dont panic, when you panic you grab a handful of brake and end up on the pavement!
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Old 08-03-2009, 04:38 PM   #6
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Old 08-03-2009, 04:39 PM   #7
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You are driving too close.
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Old 08-03-2009, 04:41 PM   #8
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sounds like you need to practice your quick stops b/c you seem to be (from your description) braking too hard and locking up the brakes.
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Old 08-03-2009, 04:42 PM   #9
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2 finger is less powerful and less control............loose loose.
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Old 08-03-2009, 04:42 PM   #10
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Old 08-03-2009, 05:07 PM   #11
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You are definitely following too close if you have to brake that hard. The EX500 is not real good for stoppies so get another bike if you want to go stunting.
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Old 08-03-2009, 05:38 PM   #12
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Front tires are too grippy! Downgrade!
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Old 08-03-2009, 05:50 PM   #13
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you got the brakes to lock up?

its pretty hard to do that on a 500. I know, I have one and have ridden many others.

might be something mechanical.
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Old 08-03-2009, 07:26 PM   #14
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Couple of things ...

1. cover the front brake at ALL TIMES.- This dramatically reduces reaction time, thus allowing you to SQUEEZE , rather than "OMG! I GOTTA PANICK STOP!!!" style of brake "GRAB". the time it takes for you to grab the brake, you could have been allready applying pressure, and not be in such a panick mode. COVER THAT BRAKE!

2. ALLOW more distance between you, and vehicles. MINIMAL 2 seconds distance between you and vehicles. MINIMAL. thats the ONE thing that i think contributes to most accidents involving a bike. the mindset of "i can accelerate and brake quicker than a car" is dangerous thought. most dont apply the 2 second rule. you can still haul . just leave room!

3. Learn to apply more rear brake, in conjunction with front brake. but not too much. rear brake feeling is less than front brake, but 70/80 percent front brake with 20/30 percent rear brake slows things down rather quickly.

4. Tires ? what condition is your front tire in? different compounds make up a tire, once past a certain limit, traction may be compromised compared to fresh skins.

5. as others have stated, practice panick stops. understand your bike, and the conditions of said machine. over time, parts were down, need replacing. If you ride it, you should know where your limits/situations are on the machine.

hope that helps.
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Old 08-04-2009, 07:37 PM   #15
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i took msf before i bought the bike. the front pads are new, the first crash happened with old pads. i now remember the instructor telling me my weakest point is in braking. do i practice with someone pushing shopping carts in front my way?
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Old 08-04-2009, 07:49 PM   #16
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i did that one time on my ex500 in the best buy parking lot when someone pulled out in front of me too, im guessing that even though you dont realize it you are panic braking. perhaps you were fine before and then the first time it "locked up" was a panic stop and now that incident is in your head so the following time you over reacted cause you were thinking about it. find some space and just practice practice practice. start off gradual and just try to keep it smooth while you try to shorten stopping distance a little bit at a time so you can get a feel for how its gonna act at different amounts of pressure. i had to do that because i was stomping the rear brake without realizing it and fishtailing in traffic hehe.

also, when you fell the first time did your brake lever get bent in anyway? could have fouled it up maybe
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Old 08-04-2009, 07:51 PM   #17
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also, please dont practice with shopping carts . . . lol. take something with you that you can set up a reference point to start braking, something like the cones they used at msf would be ideal but you could use stuff you have around the house too
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Old 08-04-2009, 11:39 PM   #18
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practice. just a matter of getting comfortable with your bike and learning its habbits. i had a 500 and never locked the front but in wet weather the rear was easy to lock up i started doing for fun sometimes
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Old 08-05-2009, 12:48 AM   #19
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mmmmmm whet weather rear wheel steering.!

always a blast!
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Old 08-05-2009, 05:42 AM   #20
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Quote:
Originally Posted by agentjayjay View Post
i took msf before i bought the bike. the front pads are new, the first crash happened with old pads. i now remember the instructor telling me my weakest point is in braking. do i practice with someone pushing shopping carts in front my way?
get a tennis ball, cut it in 1/2. there's your reference markers.

just start making runs at the tennis , start slowly and work your way faster.

SQUEEZE is the key vs GRAB
always apply both brakes
70-80% ft , the rest rear.
use 4 fingers

practice practice practice
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