Yamaha 25hp short shaft outboard in ShorehambySea, West Sussex Gumtree
#shorts What's the difference between a short shaft and a long shaft outboard motor? Do you need a long shaft or short shaft outboard engine for your boat?.
How To Measure Outboard Motor Shaft Length [Long v Short] (2023)

This is usually less than 15 inches (approx. 38 cm). A short shaft has the advantage of being much lighter and is therefore excellent for smaller boats and dinghies. In addition, there are also extra-long shaft and extra-extra-long shaft outboards for sailboats and yachts. On these engines, the outboard shaft length is significantly longer.
1518hp short shaft outboard Bloodydecks

Re: 15hp long versus short shaft. I would consider one of the following, 1: either get or change your engine to a short shaft. 2: rebuild the transom to fit a long shaft. You cant "shim" a long shaft to fit a short transom. As for some of the speed issue, you just plain have to much leg in the water that is causing excess drag.
Outboard 5Hp Short Shaft 4 Stroke Smart Marine

If you are measuring for a lower unit replacement and your original lower unit is off of the engine, simply measure from the top of the waterpump to the top of your driveshaft. A shaft length that falls closest to 15 inches is short, closest to 20 inches is long, and so on. If your engine is mounted on a boat or a stand, locate the transom.
shaft length — Hurricane Deck Boats

The decision between a short shaft and a long shaft outboard motor should be based on your specific boating needs and the characteristics of your vessel. Short shaft outboards excel in shallow waters, smaller boats, and inflatable vessels, while long shaft outboards are better suited for deep waters, sailboats, high transom boats, and trolling.
1518hp short shaft outboard Bloodydecks

The difference between short and long shaft outboard motors is the length of the drive shaft, which connects the motor to the propeller. The short shaft design is more compact and easier to store, but has a shorter range because the propeller is closer to the water. To decide which outboard motor to choose, we need to measure the boat's aft.
How To Measure Outboard Motor Shaft Length [Long v Short]

Short, long, extra long?! Which shaft length do you need for you boat? Watch this quick video and learn how to measure for the perfect sized motor for your b.
How To Measure Outboard Motor Shaft Length [Long v Short]

The transom height is the vertical distance from the top of the boat's transom to the bottom, where it meets the hull. Ideally, the anti-ventilation plate of the outboard should be in line with the bottom of the boat when mounted. Short Shaft: Usually for transom heights of approximately 15 inches. Long Shaft: Typically used for transom.
Buying Guide Riverside Outboards 6032105095

This best-selling 3 HP electric outboard motor offers various shaft length options (20.7" extra short, 24.6" short, and 29.5" long shaft) to fit sailboats, dinghies, fishing boats, tenders, etc. The long shaft outboard motor is portable with a 1276Wh integrated battery. It's super easy to pack and install with no worries about heavy.
Four Stroke 6HP Outboard Manual Start Long/Short Shaft Swordfish Marine, Argyll, Scotland

It is always easier (with regards to kit availability) to convert a short shaft to a long rather than a long to a short. Choosing a Short, Long, or Extra Long Shaft Outboard Motors. You must measure your transom in order to determine what shaft length motor you need. Keep in mind that the cavitation plate should be flush with the bottom of the.
Long Shaft Outboard Motor All You Need to Know Before Purchase

The transom is the back of the boat where the motor is hung. To do so, you will want to measure at the exact center of the transom from the very top to the very bottom. If it measures 15" or with in a inch of that you will need a short shaft outboard. If it measures anywhere from 17" to around 22", then your going to want to go with a long.
Long Shaft Vs. Short Shaft Outboard (What Are The Differences?) Project Boating

Outboard motors can be fitted to a variety of boats, so manufacturers have standardized their engines to go on virtually anything. You can order an outboard in lengths ranging from 15 inches to 30 inches, depending on its power output and possible uses. Generally, short shaft outboards are 15 inches, long shaft outboards are 20 inches, and extra-long outboards are 25 inches.
Tohatsu 5Hp Short Shaft Outboard Engine Manual Start Two Stroke for sale from United Kingdom

5,556. Oct 29, 2011. #5. Re: Evinrude outboar Short shaft vs Long shaft. To answer your question, the place on the boat to measure is from the transom center, to the keel of the boat. That would put you dead center on the rear of the boat. Ideally, you want the cavitation plate on the motor to be even with the keel or no more than 2 inches.
How to Measure Shaft Length on Outboard Motor? (Updated October 2023)

The 20-inch shaft, also known as a short shaft, is a common length for outboard motors. This type of motor is often found on small to medium-sized boats with transoms that generally range from 15 to 17 inches. Short shaft outboards are also popular choices for auxiliary engines on sailboats and kicker motors for fishing boats. 25-inch Shaft.
Mariner F6hp Manual Start Short/Long Shaft Outboard

The shaft length announced by the outboard manufacturer is the vertical distance between the inside of the clamp and the cavitation plate. (We will not argue about names here but the proper name for the cavitation plate is ant ventilation plate). Shaft lengths come in multiples of 5" (127 mm). Beware of names like short, long, normal shaft etc.
Long shaft outboard on short transom YouTube

This 9.9 HP short shaft outboard motor is suitable for tenders, pontoon boats, bass boats. Daysailers, commercial boats, and motorboats under 30 ft. With one charge, you can go 40 miles with Navy 6.0 Evo, or go fishing all day long at trolling speed: Power (Watt) Speed (mph / kph) Running Time (hh:mm)