Mercury 40 FourStroke User Manual

Name: Mercury 40 FourStroke
Brand: Mercury
Rating: 5 (1 reviews)

584 pages

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CYLINDER HEAD

Page 4A-34 90-857046R1 NOVEMBER 2001

3. Check each spring on a flat surface using a square. Rotate spring and check space be-

tween the top coil and square. Replace valve springs if not in specification.

a

Valve Spring Tilt Specification “a”

Less than 0.06 in. (1.7 mm)

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