Typical horsepower for a 14-foot jon boat would be between 15 HP and 20 HP although up to 25 HP is not uncommon either. 20 HP can comfortably give you a top speed of 20mph, potentially even stretching to 25mph depending on weather conditions and the weight on the boat.
How big of an engine can I put on my boat?
The rule of thumb is based on weight alone, and says you should have between 40 and 25 pounds of weight for each horsepower. For example, a 5,000-pound boat could have an engine with between 125 and 200 horsepower.
What size motor do I need for a 15 foot boat?
Tips for selecting the right size hp for portable outboard motor for your boat.
|Motor HP||Boat length (feet)||Boat length (metres)|
|5hp – 15hp||8′ – 14′||up to 4.2m|
|9hp – 20hp||11′ – 16′||up to 4.5m|
|20hp – 40hp||13′ – 18′||up to 5.0m|
|40hp – 75hp||14′ – 20′||up to 5.5m|
What happens if you put a bigger motor on a boat than its rated for?
If a higher than rated horsepower is installed, reinforcing the transom and hull structure may also be required. … However, it is important to ensure that weight is considered as a heavier motor could render self-draining cockpits useless and create wet cockpits as water enters scuppers from a sagging transom.
Whats the biggest motor I can put on my boat?
|Length x Width||Max Horsepower|
|35 feet or less||3|
|36 – 39 feet||5.5|
|40 – 42 feet||7.5|
|43 – 45 feet||10|
What determines max HP on a boat?
The federal government regulates the horsepower of outboard motors that can be installed on boats. The maximum HP is determined by calculating the boat’s factor (the length multiplied by the width) and then looking up the allowable engine size in a table.
How big of a motor can you put on a 16 foot boat?
You can’t legally put anything larger than that on your boat. A 16′ fiberglass boat will prob need at least a 50 hp outboard, just to get you up on plane, and you probably be able to go up to a 115hp or so.
How fast will a 2.5 hp outboard go?
It’s easy to handle and has convenient grab points for lifting. Yamaha F2. 5 Four-Stroke ($940; www.yamaha-motor.com) power: 2.5 hp weight: 38 pounds top speed: 5.4 mph noise at full throttle: 87 dB-A. The F2.
Are 4 stroke boat motors better than 2 stroke?
From a cost perspective, a 4-stroke outboard is far more fuel efficient than a 2-stroke. The fuel efficiency of a 4-stroke motor can be 50% better than that of a 2-stroke motor with the same HP. They’re quieter than 2-strokes, with the lower pitch of the motor being less of a nuisance. …
How much horsepower does a 16 foot boat need?
To achieve maximum efficiency, you’ll have to give it 50 to 300 horsepower. There’s a range of the required power as you take into consideration the size and usage. An aluminum boat that is 16 feet long needs to have a 60 horsepower motor. Once equipped, it can have a speed of 25 to 30 miles per hour.
Can you exceed the HP limit on a boat?
The maximum horsepower capacity marked on a boat must not exceed the horsepower capacity determined by the computation method discussed in paragraph (a) of this section, or for certain qualifying boats, the performance test method discussed in paragraph (b) of this section.
How fast does a 25 HP boat go?
A 25hp Pontoon boat will not be very fast, with an expected maximum speed of between 5 and 10 mph. Most commercially accessible pontoon boats tend to average between 18 and 25 mph, although there are a few very quick production boats on the marketplace, plus some altered ones that have recently set world records.
What is the maximum engine power that a 15 year old?
Persons under 16 years of age are prohibited from operating a pleasure craft that is above these specified horsepower limits.
What happens if you exceed the weight limit on a boat?
If a boat exceeds its weight limit, the boat loses its stability, and eventually, if the weight is increased further, the boat’s draft increases, and the boat will sink in the worst-case scenario; otherwise, it can capsize.
Where is the maximum engine power on a boat less than 6m?
If the pleasure craft is 6 metres (19.7 feet) or less in length, the compliance notice also will include the maximum recommended safe capacity and horsepower limits.