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Help Choosing Your Tohatsu Engine

Help Choosing Your Tohatsu Engine

Selecting The Right Shaft Length


The shaft lengths on standard Tohatsu outboard engines are 15" short shaft, 20" long shaft and 25" ultra long shaft (only available in 6hp as factory fitted model but other models can be made into UL shaft with a UL kit (see accessories page). Shaft length on an outboard is measured from the top of the mounting clamp bracket to the bottom of the cavitation plate. 

To determine what shaft length you need for your boat measure the height of the transom of your boat at the mid point where the engine would be mounted. 

As a general rule:-

Short shaft : 15-17" transom (small dinghys, inflatables, sailing day boats with moveable mounting brackets).

Long shaft : 18-21" transom (day fishing boats, aluminium boats etc)

Ultra long shaft - 22-27" transom (sailing boats or very high transoms)

The cavitation plate should be flush (as close as possible) with the bottom of the boat. 

We recommend that you consult with us to determine which is the correct shaft length for your particular boat.

Selecting The Right Horsepower

There are many factors which must be taken into account, most importantly is to never exceed the horsepower rating of the boat. 

Other factors to be taken into account are the weight of the boat, weight of passengers/gear, and your expected use of the boat (do you want to water ski, troll around inland waterways or use commercially etc?). 

To find the best value for money, please consult us and discuss your needs. We will be more than happy to help you find the best outboard for your particular needs.

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