|This 9.8 H.P. Mercury outboard motor was made for the saltwater environment. The piston displacement is 10.9. The bore and stroke are 2.0" and 1.75" respectively. This outboard has starter of the electric type and power steering as well.|
Serial Number: 5206550
RPM Information: 4500-5500
Your engine's RPM range is important in choosing the right propeller for a given application. For example, if you look at your tachometer at top speed and it is not within the engine's RPM range then that is generally not good. You want your RPM's to be within the proper range while at wide open throttle (WOT). Be sure to do your testing under your normal boating conditions and with a good propeller (not bent, cracked, or excessively chipped).
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many sources we can not guarantee its accuracy. Even if this information is the same as the original factory specs,
boats are sometimes modified. Thus, for safety and other reasons, it is a good idea to verify information here to
make sure it matches up with your boat.