Full video 1999, Mercury 25 hp slow/Top speed ( GoPro GPS) 

[@RRF22]

Skip to 6:30 to see full speed

[@The22hyster]

i have a 1996 25 hp Mercury exactly like this one. been running it for 28 years now. zero problems, still as strong as day one.

[@civileng8947]

What kind of oil do you use?

[@danlangendock5063]

What boat?

[@JamesJones-cx5pk]

How fast?

[@RRF22]

In this video the boat maximum speed was 45 kph, have had it up to 47kph with stock prop