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DR 600 probs (no compression)

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mr jamez
World Chat Champion



Joined: 04 Aug 2003
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PostPosted: 18:00 - 29 Nov 2004    Post subject: Reply with quote

G wrote:
I can see light where the valve should be sealing in the cylinder head.



I guess you mean the valve seat? You would need to take it to a machine shop to get a new valve seat pressed in, the process itself is not expensive if it is just one. I can get 8 done for £80, but am unaware of what a valve seat would cost for your bike obviously.

Think that is what it is from your description anyway.
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 19:03 - 29 Nov 2004    Post subject: Reply with quote

Hi

While Mr Jamez might well be right, as the engine has junked its cam chain I suspect the most likely problem is a bent valve rather than serious valve seat damage. The seat might still need replacing if you are doing the job properly, but just a quick replacement of the valve (and grind the new one in) will probably fix this.

Given the hole into the valve gear area I would be tempted to try and find a new head instead though.

All the best

Keith
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