2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 94Get this manual

2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 94

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Cylinder head
Replacing the valve guides
Valve stem runout limit: 0.01 mm (0.0004 in) 1 Remove the valve guide by striking the special service tool from the combustion chamber side
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