Usually the shaft length for outboard motors falls into the following 4 sizes.
Pontoon motor shaft length. Therefore while short shafts can be somewhere around a length of 15 inches long ones can be around 20 inches while extra-extra long shafts can be approximately 30 inches in length. It will run ok but if you trim it out too far the motor will ventilate. How To Correctly Measure Bow Mount Shaft Length Freshwater.
If youre not sure what those names mean just pay attention to the size that is mentioned in the description of the shaft. The shaft length is truly a decisive aspect of fishermens ship. Shaft Length for Engine Mount Motors.
I used it all last year with no real issue except for the fact that I can never get my bow out of the water and at WOT its ventilating doesnt matter if its just me or fully loaded. If you really want to play it safe you can choose a 48 shaft for your trolling motor. Typically the standard shaft length on the market is 42 inches.
To know the exact length of your boat youll first need to measure the distance between the transform to water or where the shaft is mounted. By industry standards the perfect length of the shaft should not be more than 42 inches. 30 In practice you may find the outboard motor shaft length varies among different brands and manufacturers like the HondaSuzuki Yamaha Torqeedo etc.
Bow to Water Line 25 Minimum Required Shaft Length Transom Mount Shaft Length. Bow to Water Line 20 Minimum Required Shaft Length. 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.
Small motors built for sailboats might come in a unique configuration with an extremely long shaft since these are. I have emailed Mercury with the serial number asking them to verify. There are also specialty motor shaft lengths.