Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 9Get this manual

Mercury Mariner 4, 5, and 6HP 4-Stroke Factory Service Manual, Page 9

SPECIFICATIONS
Free Length (IntakeExhaust) "a" Tilt Limit "b" (IntakeExhaust) 45 (1999) 456 (2000Newer)

a1.260 in(32.0 mm)0.044 in(1.12 mm)1.378 in(35.0 mm)0.044 in(1.12 mm)
VALVE SPRING Compressed Pressure (Installed) IntakeExhaust: Closed Height 0.965 in(24.4 mm) 45 (19992000) (2000) 456 (2001Newer) Open Height 0.709 in(17.4 mm) 45 (19992000) (2000) 456 (2001Newer) Direction of Winding (IntakeExhaust) Warp Limit

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