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Old 06-18-2009, 02:50 PM   #1
Gryphin
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09 r1 too much torque?

well on my way into work today i was running a tad bit behind. (i was not going to be late per say, but behind on my normal time) So i felt the need to pick up the pace a little bit to make sure I wasnt late. As i hit a nice little S turn and go on the gas a good bit, the front of my r1 got a little light but didnt come off the ground, then i hit a bump in the road and we started to dance side to side... my foot flew off the peg just as i was starting to let the bike take care of the situation and hope that it would snap out of it... then my foot slammed into the peg... and the bike was fine...


one thing i did notice though is when we bike was going nuts my front brake handle was just flapping around like a flag... so after the bike fixed itself i went to "test" the front brakes to see if they were broke or what and i depressed the brakes almost all the way back. For some reason the r1 had either drained the front brake lines during the headshake or just from the headshake they had drained themself... so i pumped the brakes and they came right back.. but it was def very interesting... and a little painful!
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Old 06-18-2009, 02:51 PM   #2
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Old 06-18-2009, 02:52 PM   #3
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did it somehow knock a brake pad out? it shouldn;t get loose unless you all of a sudden had more play in the brakes. you may want to make sure they are both still there
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Old 06-18-2009, 02:53 PM   #4
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It didnt drain the fluid, the rotors pushed the pistons back in the calipers and needed 1 or 2 pumps to get them back out, should be perfect after that, steering damper?
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Old 06-18-2009, 02:55 PM   #5
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no such thing as too muh torque. Learn throttle control!
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Old 06-18-2009, 02:56 PM   #6
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Ive never heard to much of anything ?
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Old 06-18-2009, 02:58 PM   #7
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I'm sorry, what does too much torque have to do with your front brakes?

If you ride with some weight on your pegs rather than all on the seat you and the bike will do much better over bumps.
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Old 06-18-2009, 03:08 PM   #8
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what are you talking about too much torque? not having brakes for even a short period of time would have scared me.
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Old 06-18-2009, 03:31 PM   #9
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Quote:
Originally Posted by sbfuller View Post
did it somehow knock a brake pad out? it shouldn;t get loose unless you all of a sudden had more play in the brakes. you may want to make sure they are both still there


+1


I don't think it has anything to do with the power of the bike. Violent headshake can cause the pads to get a gap between them and the disc which will require you to pump the brakes to get them to work. This has happened to me at the track due to some bad headshake. I also believe Miguel DuHammel or some other professional rider has stated having a crash due to the same reason.

Be careful with the brakes after you get headshake. If you get headshake a lot think about getting your suspension looked over to check the geometry, check tire pressures, and also might consider looking into a steering damper if one isn't on the bike now.

Last edited by bdubb; 06-18-2009 at 03:34 PM.
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Old 06-18-2009, 03:41 PM   #10
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u could trade me for my 04 ill let you know what I think after a couple months...
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Old 06-18-2009, 04:03 PM   #11
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Old 06-18-2009, 04:24 PM   #12
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Old 06-18-2009, 05:31 PM   #13
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I'm going to let Motorcycles Unlimited look at the bike again and it's got a stock steering damp.
But I might upgrade and I was on the gas hard my weight was on the pegs this isn't my first time to ride fast it is just that I was hard on the gas and the r1 wants to carry the front wheel even after having everything setup it's a very torque bike
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Old 06-18-2009, 05:41 PM   #14
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what Tim said.
the front gets light on me all the time, I just hold the bars loosely and everything works out just fine.
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Old 06-18-2009, 05:42 PM   #15
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I dont see why you would need to upgrade for street riding.. it has an electronic servo activated dampner...
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Old 06-18-2009, 07:56 PM   #16
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I DOUBT it was too much torque..... A buddy of mine just dynoed one...not impressive....low-midrange is even more pitiful then then the 06-08 R1s

You should definetly check those brakes, something definetly sounds wrong there...maybe it was just from the violent head shake.. Maybe they need to be bled again just to make sure all the air is out of them. Scary stuff bro....
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Old 06-18-2009, 08:10 PM   #17
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Saying "too much torque" is like saying "too much displacement". Find the root cause of the braking issue and get that fixed. Then try and repeat the headshake in a turn (sounds goofy, I know). Not sure if your front brakes are full floating or not but If so, check the rotor "buttons" for debris. On mine, I have to clean them and take a really scrawny flatblade and push the spring washers the other direction. The smallest amount of road grime will cause a warped rotor feeling under hard braking. It has become one of the most frequent PM issues on the bike. I've noticed that when it needs cleaning the brakes will require one or two full pumps to bring the pads back close to the rotor. Only real headshake I ever get is under the same condition, pulling some side g's while pouring on the coal. Usually only does it when the front end is light and settles right back down as soon as I get a bit of weight back on the front end. Then again, Ohlins forks and dampner FTMFW!!!
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Old 06-18-2009, 08:20 PM   #18
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Old 06-18-2009, 08:48 PM   #19
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could it be rider error?? but yes the rotors probably pushed the pistons back in because it did that to me at TWS (Texas World Speedway) on my 07.
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Old 06-19-2009, 12:56 AM   #20
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Quote:
Originally Posted by bdubb View Post
+1


I don't think it has anything to do with the power of the bike. Violent headshake can cause the pads to get a gap between them and the disc which will require you to pump the brakes to get them to work. This has happened to me at the track due to some bad headshake. I also believe Miguel DuHammel or some other professional rider has stated having a crash due to the same reason.

Be careful with the brakes after you get headshake. If you get headshake a lot think about getting your suspension looked over to check the geometry, check tire pressures, and also might consider looking into a steering damper if one isn't on the bike now.
that's the answer right there
a couple of pumps should rectify the problem completely and return them to perfect working order.
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