grumpy Thanks again for linking that thread there was some very good information there.
work out the varnish smell was comeing from fuel tank tap/filter.
Cleaned the tank and carburettor replaced the fuel lines and fuel tap/filter, Now runs fine.

Had a look under the Chain Cover.
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Chain and sprockets looks good tho there lose.

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Dont like how the Cylinder Chain tensioner is pushing down on the chain,
Tho its the same why that is showen in the Thoroughbred parts pdf.
Or have I just over tension it?
On S&B the tensioner is pushing up on to the chain?


Theres oil comeing out of throttle lever on the engine, Can this fix by a copper seal? [Linked Image]