Giving everyone an update. I finished installing the new mercury 115 four stroke pro xs last week. Took it to the water and ran it for a couple hours. I’m very pleased with the motor. It’s so smooth and so quiet that I kept looking back while I was idling to make sure it was still running. This motor is almost identical in weight to the two stroke 130 Yamaha I removed so my scuppers are still just above water level. I’m running a basic aluminum prop, 14.25 x 21 pitch. With this prop I could hold plane down to about 16 knots. I was following the break in procedure so no true top speed runs but the break in did call for short periods of full throttle. With doing this my mercury mobile app recorded a top speed of 40 mph at 5900 rpm. I’ll be sure to keep everyone informed as I run it more to get better performance and fuel burn numbers after the break in.
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06-04-2019, 01:06 PM
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