Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 8Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 8

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SPECIFICATIONS
VALVE SPRING

Compressed Pressure (Installed) Intake Exhaust

& Exhaust)

19.822.0 Ibs(9.010.0 kg) 19.822.0 Ibs(9.010.0 kg) _ Left Hand 0.004 i