Hero or Zero? 1978 Yamaha XS11 - head reinstalled. Did we fix it?
Put the head back on the XS11 project engine and tested. Did we fix the oil in the cylinders problem by renewing the valve stem seals and doing other head work? Are we a hero or a zero? Watch and find out! Note: best viewing by watching video #3 first showing the findings of the head.

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1978 Yamaha XS11 - walkaround, teardown, initial diagnosis. Video #1

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1978 Yamaha XS11 - Let's get the head off! Video #2

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XS1100 Cafe Racer - New Big Valve Cylinder Head

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XS1100 Cafe Racer - Painting the engine and polishing the cooling fins

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Yamaha XS1100 Motorcycle Project Emma Ep#9 Off with Her Head !!

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