What size motor should i put on my boat

I have a 17 foot boat shown below and it is equipped with a 90 hp outboard with a 75 hp kicker. If you have a canoe or kayak a 12v trolling motor is adequate to move your boat with ease and speed.

If you have a canoe or kayak a 12v trolling motor is adequate to move your boat with ease and speed.

What size motor should i put on my boat. A motor that is too small will struggle to power the boat and will therefore eat up significantly more fuel. A larger motor may have a bigger fuel tank but it will go through this fuel more slowly as it is not struggling to power a boat that is too heavy. What you should keep in mind however are official regulations.

According to Formula Boats. You should be aware to base your motor selection based on the rule of thumb which states that you should. 14 20.

Up to 6m. 2hp 4hp Outboard Motors Usually weigh under 19 kg Small outboards are common for portable boats such as canoes folding boats inflatable boats dinghys small sailboats small pontoon boats and other small light weight boats. If the plate says a 120 horsepower engine is the largest you should use then.

120 x 11 132 or a 130 horse motor since the horsepower of outboard motors is rated in multiples of 10. This adds ten percent to the horsepower and will make it easier for your boat. The size of the motor that should be mounted on a Jon boat will vary with the size of the boat and its weight capacity.

For Jon boats between 8 foot and 16 foot 8 hp 20 hp motors will offer more than enough power to push the boat upstream achieve a respectable speed and get the boat on plane. 18 foot Jon boats can usually take a 20 25 hp outboard motor. But the truth is high-octane fuel usually 92 or 93 octane is a waste of money for the majority of outboards.

Most are built to run happily on 87 octane. Some manufacturers such as Tohatsu do recommend midrange fuel usually 89 octane. Check your owners manual and fuel up with what it prescribes.

Boat Weight Sizing Chart How to determine what size trolling motor I need for my boat. We suggest selecting a trolling motor with at least 2 lbs. Of thrust for every 100 lbs.

Of boat weight when the boat is fully loaded with fuel people tackle etc. Boat Weight in pounds Minimum Trolling Motor Size pounds of thrust Voltage Max Boat Length. What size motor should do i need on my 17 ft fiberglass boat.

The easiest way is to check the manufacturers specs recomendations for the max horspower engine for your boat. Also all boats should have. Mercury Bigfoot outboards come in 40 hp and 60 hp ratings.

They feature a deep 2331 gear ratio and a larger gear case the same size as that on a 115 outboard. The taller gear case can help ensure the prop is kept in the water and also allows installation. A 2000 merc 90 weighs 359 lbs while the 125 weighs 355.

Boats transoms are tested at higher motor capacity than the rated sticker. If youve ever noticed a coast guard or GP boat they are all over rated in order to produce speed and reliability most having 2 or 3 at the rated capacity. For example a twelve-foot boat with a four-foot transom width translates into a maximum engine size of fifteen horsepower.

Boat Maximum Horsepower Calculator. 35 feet or less. 36 - 39 feet.

40 - 42 feet. 43 - 45 feet. 46 - 52 feet.

55 lbs of thrust is not going to be enough – you wont make much headway in any kind of wind at all. Pretty sure youre looking at a 24V motor at least 70 lbs sounds about right. Shaft length you need enough to submerge the lower unit by a good 10 at least.

Answer 1 of 4. I have a 17 foot boat shown below and it is equipped with a 90 hp outboard with a 75 hp kicker. This is within the power limit stated on the capacity plate.

The 90 hp engine allows the boat to get up on plane and cruise about 24 mph. The fuel consumption at that speed is about. Travel lifts or a roadside weigh station are good places to weigh a boat.

Dont forget to add weight for additional people gear and fuel you expect to carry. The rule of thumb guidelines based on weight alone would be between 40 and 25 pounds of weight per 1 hp. In other words a 5000 lb boat fully loaded could have a 125 to 200 hp engine.

Finding the correct propeller for you boat is easy with our Prop Guide. Select the Type of Engine. Select the HP for your marine engine.

Select the year of your marine engine. If you have the existing part that is stamped on your boat propeller you can find all matching props here. To select motors we have to decide if were going to use a single or multiple motor set-up and divide the total power with the number of motors used.

So here the options would be. To get the right amount of horsepower needed to efficiently propel a sailboat divide the displacement of the boat in lb by 550. You need approximately 1 HP per 550 lb of displacement or 4 HP per 2200 lb.

Most sailboats dont need a motor with more than 30 HP. In this article Im talking about small outboard engines for sailboats. In this quick Boating Tips video well nail down three important tips that will help you make the right choice when deciding what size outboard engine to get.

If playback doesnt begin shortly try restarting your device. Videos you watch may be added to the TVs watch history and influence TV recommendations. As we mentioned earlier you need to match the size of your outboard to the size of your boat to ensure that you have sufficient power for speed maneuverability and safety.

However the advantage of going with a smaller outboard is that its easier to lift and carry. Most 2HP-10HP outboard motors weigh in the neighborhood of 35 to 90 pounds. Now for a motor.

A 20 with a 40 or 50 hp is for old people. They run okay with 60 hp Bigfoot. But if youre young or have growing kids–70 hp 4 stroke or 75 hp 2 stroke is the way to go.

If youre going to putt around go 4 stroke. To get the right size electric outboard motor you need to consider the boat size weightlength boatload your desired speed and the boating environment etc. Generally speaking a 1kw3hp electric outboard motor is enough to provide a satisfying speed and range for tenders dinghies and daysailers up to 15 tons and 6kw10 hp electric.

Getting the right size for your boat depends on the size of your boat. If you have a canoe or kayak a 12v trolling motor is adequate to move your boat with ease and speed. If you have a bass boat or other large boat a 24v or 36v motor system is what you need.

Cost is also a consideration. Large motor systems are more expensive than small ones. I have a 2006 Palm Beach 20 foot pontoon that came with a Mercury 40hp 4-stroke motor.

The motor runs great and we love it but my kids are getting older and want to go tubing more. It is boring because our max speed is in the 15-18mph range with only a few people in it–it drops considerably when friends come aboard or if its windy.