Help me! xr650r determine the cause of knocking

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Help me! xr650r determine the cause of knocking

Post  BOSSS on Sat Mar 14, 2015 4:34 pm

Help me! xr650r determine the cause of knocking

http://www.youtube.com/watch?v=D446KcuRyb4
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Re: Help me! xr650r determine the cause of knocking

Post  Mauser on Sat Mar 14, 2015 5:20 pm

Sounds like cam chain and valves ? listen up

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Re: Help me! xr650r determine the cause of knocking

Post  BOSSS on Sat Mar 14, 2015 9:28 pm

Mauser wrote:Sounds like cam chain and valves ? listen up

I dismantled the whole engine and the worst thing that I could find



I replaced the rocker but the sound has not changed (((

then I made out the entire engine but did not manage to find the cause of knocking (((
foto all http://vk.com/albums20621392

P.S. Sorry for my Englisch language
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Re: Help me! xr650r determine the cause of knocking

Post  Mauser on Sat Mar 14, 2015 10:02 pm

Re-check valves I think you can set them in the wrong position and it will make them sound bad....?

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Re: Help me! xr650r determine the cause of knocking

Post  BOSSS on Sat Mar 14, 2015 10:53 pm

Mauser wrote:Re-check valves I think you can set them in the wrong position and it will make them sound bad....?
that means not true test position ??
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Re: Help me! xr650r determine the cause of knocking

Post  Mad Frosty on Sat Mar 14, 2015 11:17 pm

Cam chain , cam shaft might be fooked too as the rockers were totaly caput , valve adjustment ( do it with the  cover of , movig the rear wheel in gear its not as good ) ,   what play  have you got on the decompressor  lever ?
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