# Your question: How fast does a 9 9 hp motor go?

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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. In my experience with similar craft and outboards, this sounds very reasonable.

## How fast does a 9.9 Evinrude go?

Example #1: 1975 Johnson 9.9 Short-Shaft

The propeller is 9 1/4″ diameter x 8″ pitch. (Stock is 9 1/4″ x 10″) Top speed is 20 mph on the GPS.

## How fast is 10 horsepower in mph?

As a practical matter , you can get from fifty to maybe eighty mph with a ten hp engine on a light weight motorcycle if you tuck in and have a good fairing . This means a racing style bike at the hight end.

## How fast will a 9.9 push a 16 foot boat?

A 9.8/9.9 2 stroke should get you 18 mph with one person and about 16 with 2 on board.

## How fast will a 9.9 HP pontoon boat go?

A 9.9 HP engine is great for slow cruising, but don’t expect to go faster than a 5 MPH.

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## How fast will a 10hp outboard go?

10 HP Outboard: Speed & Runtime

Power (Watt) Speed (mph/kph) Range (mile/km)
1000 5/8 45/72
2000 6.7/10.8 30.2/48.6
3000 8/13 24/39
4000 11.5/18.5 25.9/41.7

## How fast does a 8 hp motor go?

Power packed: 8hp outboards

All except the lower-powered Torqeedo managed top speeds of around 14 knots in flat water.

## How much is 9 horsepower?

This would put your 9 hp engine at approximately 315cc. You can find a dissplacement/horsepower chart on-line that lists examples of various engine types & applications. You will see that power output per cc varies widely.

## How fast is 1hp?

horsepower, the common unit of power; i.e., the rate at which work is done. In the British Imperial System, one horsepower equals 33,000 foot-pounds of work per minute—that is, the power necessary to lift a total mass of 33,000 pounds one foot in one minute.

## How fast is a 5 hp motor?

It would do around 67 mph on the race course. On a small hydroplane race boat about 55 mph with a 15hp johnson or mercury and a racing lower unit.

## How fast is a 9.9 hp boat motor?

A 9.9hp O/B gives you 20mph and a max plate of 30hp. With a 5 knot following sea the motor will give you 5 knots not running.

## How fast does a 15hp outboard go?

2 guys and gear takes it down to about 20 to 22 mph.

## How much gas does a 9.9 outboard use?

On a plane, a 9.9hp outboard is probably using about 60% of its horsepower at 3/4’s throttle or call it 5.94 hp. With this, the fuel burn is roughly 4.2 lbs/per hour. Gasoline with a 50:1 fuel;oil ratio weighs in at roughly 7lb per gallon so the burn rate is roughly . 6 gal per hour.

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## How fast does a 40hp boat motor go?

40 hp – = 28 mph. 50 hp – = 31 mph.

## How fast does a Tritoon boat go?

Pontoon Boat Speed Chart

Pontoon Type Pontoon Length Top Speed
Tritoon 21 feet 27 mph
Crest III 26 feet 28 mph
Tritoon 26 feet 35 mph
Berkshire Sport RFX9 25 feet 50 mph

## How fast will a 50hp outboard go?

Depending on the type of boat and its weight, 50 hp can power you along at between 15 and 47 miles per hour. 50 hp may not seem like much, but if you are in a low-weight racing boat, you may be surprised by how far it can get you.