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Outboard Shaft Length Chart

Outboard Shaft Length Chart - See below for a model number description guide and serial number to year chart. Web the rule of thumb is to have the top of the lower unit or foot of the motor covered by at least 12 of water. • how to adjust your transom to fit the outboard if necessary. Factors to consider when measuring outboard motor shaft length. For most small dinghies and aluminum boats under 15ft or 4.5m, extra short shaft or short will work depending on whether the transom height is over 40 cm / 15.7 inches or not. Locate the transom top and the lowest point of the boat hull and measure the distance between them as shown below. You can find the radius of the propeller in the owner’s manual, or you can find a diagram on the internet using the name, model, and year. Web you can find your mercury outboard serial number and model number on an id tag on the mounting bracket, or in some cases on an engine block freeze plug. You’ll then need to subtract the radius of the propeller from the leg length to find the distance from transom top to propeller top. Web most outboard manufactures measure their “leg length” from the shaft axis to the inside top of the mounting bracket (see diagram).

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You Can Find The Radius Of The Propeller In The Owner’s Manual, Or You Can Find A Diagram On The Internet Using The Name, Model, And Year.

Vessels with a lower transom will need short shaft outboards and vice versa. Web in fact, most outboard propeller shafts are slightly longer than their stated standard. Web how do you measure it and what are the industry standards? Web which shaft length do you need for you boat?

Web The Three Standard Outboard Shaft Lengths Are 15 Inches, 20 Inches, And 25 Inches.

Different types of outboard motor shafts. For example, you can have the mercury outboard shaft length by model code. Web outboard shaft length chart. If it measures anywhere from 17 to around 22, then your going to want to go with a long shaft motor.

After The 2006 Model Year Honda Marine Dropped Specific Year Designations.

How to determine shaft length. Shop basic power for boat engine, sterndrive, and outboard parts and fishing lures. We have summarized the values for you in the table above again. For example, the length of a 2.3 hp honda l shaft is 22.5″, and the length of this motor’s short (s) version is 16.5″.

The Shaft Length Announced By The Outboard Manufacturer Is The Vertical Distance Between The Inside Of The Clamp And The Cavitation Plate.

Anything bigger than that your obviously going to. A motor with a long shaft provides improved performance and higher efficiency for larger boats. Web you can find your mercury outboard serial number and model number on an id tag on the mounting bracket, or in some cases on an engine block freeze plug. Web if it measures 15 or with in a inch of that you will need a short shaft outboard.

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