How Fast Can A 9.9 Hp Outboard Go

Top Speeds Range From 60 To 85 Mph.

Innovative sound attenuator helps absorb engine sounds before they can reach the ear, resulting in a quieter running engine on the twostroke 40 hp and higher models. *photo may not show the actual model. This isn’t a tough job, but most folks will want their mechanic to tackle it.

It’s Said That The First 1000.

Top speed reached by gps was 30 km/h (about 20 miles/hour). If your wot rpm is too high or too low, you’ll want to try a prop with more or less pitch. Gas consumption per hour= horsepower/10 a 40 hp motor would burn 4 gallons per hour.

They Feature A Deep 2.33:1 Gear Ratio And A Larger Gear Case — The Same Size As That On A 115 Outboard.

A 20 ph would burn _____ gallons per hour. On a mercruiser 496 mag ho, a whipple supercharger increased horsepower output from 425 hp to a maximum of 657.1, according to a dynamometer readout on whipplesuperchargers.com. Preference is given to tested products, proven brands.

Engine Protection Operator Warning System:

The 9.9hp efi comes in three available shaft lengths, 15”, 20”, and 25”. Gasoline outboard motors usually can serve for a solid 1500 hours when taken care of on average. For example, if your boat is rated for a maximum of 20 hp,.

Meet The 9.9Hp Efi Sport.

Assuming this is a light 14' utility boat and a standard 9.9, mercury would recommend a 8.5 to 9.5 pitch prop for the op's application and predicts a top speed around 20 mph. Meanwhile, you can save your trip by starting with the throttle slightly advanced in neutral and bringing the throttle back as close to idle as possible without actually going into idle. Displacement (cid/cc) 12.8 / 208;