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Old 04-25-2009, 11:25 AM   #1
gixxerbilly
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Problem?????

While riding my gixxer there is a strange vibration on my left foot peg.
could it be the chain or a bearing going out.I put the bike up on the rear stand and spun it but i cant seem to find the problem.
Any ideas?????
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Old 04-25-2009, 11:41 AM   #2
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Have you check if the screws are tight?

Other thing you might want to check is the vibrator all gixxers come with, it might have switched to "hard".
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Old 04-25-2009, 12:05 PM   #3
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Chain adjusted correctly?
Check for loose screws everywhere.

You didn't say under what conditions you felt it. Accel, decel, steady, fast, slow, brakes, leaning, etc.
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Old 04-25-2009, 12:07 PM   #4
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Trade it in on a Honda.


I think chain adjustment first. Can't imagine any "bearings" being worn. Also, the torque of the rear wheel.
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Old 04-25-2009, 12:13 PM   #5
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also clean the chain and lube it, it happened to me one time

and adjust it too
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Old 04-25-2009, 12:17 PM   #6
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Trade it in on a Honda.


I think chain adjustment first. Can't imagine any "bearings" being worn. Also, the torque of the rear wheel.
lol i tried an was.......DENIED!!!!!!!

It does it at all speeds.I have checked all bolts and they are good and tight.
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Old 04-25-2009, 02:43 PM   #7
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odd but it happens.. see if both sprockets are lined up right and the chain isnt @ an offset angle. had that happen b4 on my friends 06gixxer check the inside of the chain links look for any premature wear
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Old 04-25-2009, 02:51 PM   #8
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U need to isolate the condition. If it happens at certain speeds/gears then the wheels/tire/chain are worth looking into. those are the only components effected due to speed harmonics. speed-dependant vibrations will come and go(driven out) most likely a balancing issue. If the vibration gets progressively worse w speed, wheel bent/tire separation/chain.

if the vibration happens at a certain rpm, then it is in the engine. And by rpm, the bike may need a load behind it, not necessarily in neutral, clutch in or on a rear stand to duplicate.

Dont underestimate worn rubber mounts on the rearset either.


Let us know
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Old 04-25-2009, 03:20 PM   #9
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nothing is wrong, you have the best gsxr year ever




but sounds like a chain too me
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Old 04-25-2009, 03:21 PM   #10
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ok tightened up the chain and took it out for a drive. the vibration is there not as bad though.Now get this.. while riding and looking back at the chain its weaving side to side at 25 mph but speed up its straight never noticed before.took it home put it back on the stand and was rolling the tire in neutral
and the chain seems to bind up on the front sprocket.opened it up and dont really see any problems there but it does bind up a little there.....
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Old 04-25-2009, 03:23 PM   #11
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sounds like the chains too long, maybe?

did you put a new chain on recently?
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Old 04-25-2009, 03:25 PM   #12
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no same chain
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Old 04-25-2009, 03:30 PM   #13
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missing a tooth on the sprocket?


side to side like up and down, or left to right
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Old 04-25-2009, 03:38 PM   #14
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left to right
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Old 04-25-2009, 03:44 PM   #15
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sounds like something is making your rear wheel wobble a little
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Old 04-25-2009, 03:44 PM   #16
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Bent sprocket?
Also sometimes sprockets wear, so that, they are not quite round. This leads to tight/loose spots as the tires are rotated.
From your description it sounds like the front sprocket is worn. Replace both, if you replace one.
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Old 04-25-2009, 03:47 PM   #17
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well i am gonna change it all out.thanks everyone for the input.
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Old 04-25-2009, 03:51 PM   #18
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Should be able to move a little bit. If you wheel in the rear was misaligned the pads would be worn offset also.

Check the links and rollers. How bad is the chain? Just curious... replacing everything is a good call. Remember to clean and lube every 600mls.
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Old 04-25-2009, 03:55 PM   #19
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Yeah. Something is causing a tight spot in the chain. It is probably time to replace the chain and sprockets anyways.
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