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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: knocking? NEW TOPIC NEW POLL POST REPLY
brickman


Expert Class
Posts: 294
posted August 23, 2007 07:56 PM        
knocking?

got a 2000 12 that is making a knocking sound when in gear but if i pull in the clutch it stops. any one seen this be for? thanks.

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MadMike


Moderator
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Posts: 6579
posted August 23, 2007 09:46 PM        
could be a whole ton of things...
check your oil first for "gold" if so you got a spun bearing...
then pull your pan and look at your tranny maybe have a damaged shift fork?
check the clutch basket make sure it is not broken or loose...
where is the knocking comign from?
How/When did it start after anything special happened?
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brickman


Expert Class
Posts: 294
posted August 23, 2007 10:36 PM        
oil looked good it sounds like its coming from the tranny pulled the clutch every thing looks good. it only knocks when in gear and moving. but when i pull the clutch in it stops? the bike has been put up for about 4 years.i bought it new never had any problem.
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woppi


Pro
Posts: 1362
posted August 23, 2007 11:45 PM        
look at the chain ?
the front sprocket ?

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shiggsy


Expert Class
Posts: 128
posted August 24, 2007 12:01 AM        Edited By: shiggsy on 24 Aug 2007 01:01
I had what I would describe as more of a rattle than a knock, that came from the clutch area that went away when the clutch was pulled in. It was cracked clutch basket. (but it also did it in neutral).
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ninja12


Needs a job
Posts: 3310
posted August 24, 2007 06:28 AM        
clutch rattle is pretty common with heavy springs, not sure where it comes.
It sounds more like a big dry bearing than a knock.

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brickman


Expert Class
Posts: 294
posted August 24, 2007 11:34 AM        
the bike is on a stand now chain off. it still knocks in gear. its fine in neutral?i am going to pull the clutch again and look at the basket.
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brickman


Expert Class
Posts: 294
posted August 24, 2007 07:42 PM        
clutch basket looks fine. damn i hate to pull the pan. what should i look for? thanks for the help.
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MadMike


Moderator
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posted August 26, 2007 08:03 PM        
tranny gear pcs...
or any metal at all...

did you pull your clutch fibers all the way out? You might have some broken fibers (longshot) but maybe causing your noise...

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dougmeyer


Needs a job
moderated
Posts: 2713
posted August 29, 2007 12:50 PM        
Look for broken cushion springs in the basket itself. Make sure the drive gear anti backlash is working properly.
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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: knocking? NEW TOPIC NEW POLL POST REPLY

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