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knocking noise !!!

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mirax
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Joined: 13 Jan 2005
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PostPosted: 21:27 - 06 Apr 2005    Post subject: knocking noise !!! Reply with quote
hi wondering if any one can help im getting a knocking noise on my dt125 while im throttling in 6th gear. the noise only happens when i use the throttle in sixth no other time plus the noise goes when i let go of the trottle or pull the clutch in helppp!!
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Retro-Man
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Joined: 21 Aug 2004
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PostPosted: 21:39 - 06 Apr 2005    Post subject: Reply with quote
gearbox, 6th gear I expect.

otherwise known as transmission backlash
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mirax
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Joined: 13 Jan 2005
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PostPosted: 21:49 - 06 Apr 2005    Post subject: Reply with quote
thing is i can ride at speed in 6th release the throttle and the noise goes !!bike would still be in gear !!
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Retro-Man
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PostPosted: 21:56 - 06 Apr 2005    Post subject: Reply with quote
backlash will cause a knock when throttle is suddenly applied or released, which is how I read your post, are you saying that the knocking noise is rythmic and constant whilst at cruising speed Question
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Johnny GSX-R
World Chat Champion



Joined: 14 Feb 2005
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PostPosted: 21:59 - 06 Apr 2005    Post subject: Reply with quote
Weird one..... my ZX10 used to do a similar thing in top BUT it was a tight spot on the chain due to poor lubing Rolling Eyes Rolling Eyes Confused , i dunno how this can occurr only in top but it did. New chain fitted and it stopped immediately.
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mirax
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Joined: 13 Jan 2005
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PostPosted: 22:03 - 06 Apr 2005    Post subject: Reply with quote
yeah at crusing speed (only with throttle) and only in sixth
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mirax
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Joined: 13 Jan 2005
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PostPosted: 22:04 - 06 Apr 2005    Post subject: Reply with quote
could it be a dodgy link in chain then ???
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Retro-Man
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PostPosted: 22:16 - 06 Apr 2005    Post subject: Reply with quote
mirax wrote:
yeah at crusing speed (only with throttle) and only in sixth

define "with throttle"

accelerating,

cruising,
25%,50%,75% or full on throttle Question

blipping Question
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mirax
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PostPosted: 22:23 - 06 Apr 2005    Post subject: Reply with quote
id say between 25-75 % throttle not blipping
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