Removing The Valves - Yamaha YZF-R6 Service Manual

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VALVES AND VALVE SPRINGS

REMOVING THE VALVES

The following procedure applies to all of the

valves and related components.

Before removing the internal parts of the cylin-

der head (e.g., valves, valve springs, valve

seats), make sure that the valves properly seal.

S valve lifter 1

S valve pad 2

Make a note of the position of each valve lifter

and valve pad so that they can be reinstalled in

their original place.

(for leakage)

Leakage at the valve seat ! Check the valve

face, valve seat, and valve seat width.

Refer to "CHECKING THE VALVE SEATS".

a. Pour a clean solvent a into the intake and

exhaust ports.

b. Check that the valves properly seal.

There should be no leakage at the valve seat

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