Can you use a short shaft outboard on a long transom?
For boat owners with a short-shaft outboard on a long-shaft transom, Vance Manufacturing has developed a solution for you. They act in place of a small-engine shaft extension, mitigating the issues that arise when trying to mount to a transom designed for long-shaft engines.
Can you put a 25-inch motor on a 20-inch transom?
Using an engine with a 25-inch shaft on a transom whose height is set for a 20-inch shaft engine introduces the very significant drawback of increased draft. To operate your boat will need water that is five inches deeper. You can use a jackplate but that was not the question.
Do I need a short shaft or long shaft outboard?
Measure from the top of your transom to the bottom of your keel. If it is from 15″ to 17″ long you’ll need to get a Tohatsu outboard with a “short” shaft. If it is from 20″ to 22″ long you’ll need our “long” shaft outboard.
Can you make a short shaft outboard a long shaft?
Your short shaft motor can also be sold as a long shaft with a Bay Kit. A long shaft motor can be sold as an extra long with a Bay Kit. Motors can be easily converted back to fit any customers need. Bay kits are designed and manufactured of top quality materials to give lasting reliability to your outboard motor.
What happens if outboard shaft is too long?
If you went too long it would still work but it may lack in performance. You will also risk hitting bottom or submerge objects more frequently such as rocks or logs. If you go too short your more than likely going to cavitate and loose power.
How do you increase transom height?
One non-invasive way of raising the transom on an aluminum boat is to create a “lift” — a bracket that fits over the transom — to increase the motor’s height. The completed bracket forms a channel, and the top of the channel holds the top of the outboard bracket a few inches above the transom of the boat.
How does a manual jack plate work?
Manual Jack Plates A manual jack plate has a continuous range of heights at which you can move the mounted engine. Manual jack plates are able to do this. By using a slot inside the plate on which allows part of the plate to slide up or down. When you find the perfect engine height for your boat and engine combination.
Can you run a 25 inch shaft outboard on a 20?
Sorry for the confusion. It is possible to mount a 20-inch shaft outboard motor on a transom designed for a 25-inch shaft motor, however the lower unit will be mounted too high and performance will suffer.
Do you need a long shaft outboard motor?
For New and Used Outboards For Sale Please Vist our Main Site When purchasing an outboard motor one of the most important factors to consider is whether or not you need a short, long or extra long shaft outboard motor.
How big is the transom on a marine engine?
The transom measures 21″ inside and my a/v plate is approx. 3″ above keel. It looks like I could lower engine 3″ and tiller arm will clear. Could I use a T-H Marine Mini Jacker and reverse mount to lower my outboard 3″?
Which is the aft transom of a boat?
This measurement should equal the aft transom of your boat (give or take an inch). When the boat is on plane, the boat is completely out of the water from the bottom of the boat transom. The motor is out of the water from the bottom of the cavitation plate. Please study the diagram to familiarize yourself with engine and boat terms.
Can a short shaft be used on a long shaft?
Once the boat is on plane the water is even with the bottom of the boat so the prop tips would likely be a couple inches out of the water. Don’t think that will work. But why even ask. Try it and move the motor down if you can. Re: Can I use “short” shaft o/b on “long” shaft transom?
How long is a long/short shaft outboard?
A short shaft is 15 inches long, a long shaft 20 inches long and an extra-long shaft 25 inches long. Measure from the bottom of your outboard’s engine compartment down to the bottom of the cavitation plate — the horizontal metal wing above the propeller. If the measurement lies between 19 and 21 inches, it’s a short shaft.
Do I need a short or long shaft outboard?
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 shaft motor. Anything bigger than that your obviously going to need an extra long shaft.
What is the length of a long shaft outboard engine?
Generally, short shaft outboards are 15 inches, long shaft outboards are 20 inches , and extra-long outboards are 25 inches. Since the length of the shaft of your outboard is associated with the size boat, smaller engines will generally have shorter shafts.
What length shaft for trolling motor do I Need?
Generally speaking, the average shaft length for a trolling motor is around 60″, or 152cm , if you intend on mounting the motor on the bow of your boat. While this is a good rule of thumb, there are other things to consider when determining this length.