# Frequent question: How fast does a 15 hp engine go?

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Two stroke 15 yamaha pushes my 3.7 tinnie along at 15 – 17 knots, depending on the tide.

## How fast does a 15hp motor go?

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

## How fast is a 10 hp motor?

Note: Many factors can affect the real-world performance of the 10 HP outboard motor, including the boat type, load, weather, battery type and capacity. That’s to say, with one single charge, you can go over 40 miles at 5 mph speed.

## 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 hp go?

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.

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## Who made Gamefisher 15 hp outboard?

Gamefisher outboard motors are a line of boat motors sold by Sears & Roebuck for a period of approximately 10 years, between the mid-1980s and mid-1990s.

## How fast can a 20 hp engine go?

How fast will a 20hp outboard go? – Quora. About 500 km/h if you drop it from high enough. The question is meaningless unless you specify what it is attached to, how much load, what size propeller you have etc. It depends on the size, weight, and type of the boat.

## What is Max hp for 14ft jon boat?

For instance a standard 14′ jon would be a model 1432 or 1436. Extra wide jon boats would be 1442, 1448, 1452, Flat fishy’s with a 48″ wide sheet of plywood on the bottom would be a 1452 and easily take a 25. The max rated horsepower for most 14′ boats is 15hp unless they are the wider ones.

## 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 can a 5 horsepower engine go?

A medium weight kart (150lb or so) with a user of 120lb or so going on grass would want a 5hp motor to reach 20mph (approx.) A buggy that weighs 400lb with a 150lb rider for rough terrain would probably want something more than 20hp for 40mph or so. although, How fast can a 7 HP go kart Go?

## Is 170 hp good?

Right between 200 and 300 is a good amount of horsepower for a car. Many base models from some brands offer between 100 and 200 horsepower, suitable for drivers who do not mind a more relaxed driving experience in exchange for a better economy.

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## How fast is 420cc in mph?

The top speed was 33 mph.

## How fast is 1 horsepower in mph?

The constant 375 is because 1 hp = 375 lbf⋅mph. If other units are used, the constant is different. When using coherent SI units (watts, newtons, and metres per second), no constant is needed, and the formula becomes P = Fv.

## How much does a Yamaha 15 horsepower outboard weight?

Portable 15 hp

Its single carburetor and CDI Microcomputer Ignition System make it one of the most fuel-efficient in its class. At just 111 pounds, it’s suitable for lightweight craft such as aluminum fishing boats, tenders and inflatables.

## How fast will an 8hp outboard go?

5 4 blade prop and manual JP tops out 20 to 21 mph. (6) 1436 G3 with 8hp merc tops out 16 to 18 mph.

## Is a 12 foot jon boat big enough?

As boat length increases the weight capacity similarly increase, so with a 12 foot boat approximately 400 lbs can be safely contained and at 14 foot 400+ lbs. … An 18 foot Jon boat will hold, on average, about 1,500 lbs. At 20+ feet in length a jon boat is able to hold up to 1,900 lbs of people and equipment.