The First Ever Yamaha XTO Engine Swap

Florida Marine Customs certified service team had the chance at the end of 2018 to be the first custom boat shop to do this type of insane engine swap on our customers Sportsman 287 that we’ve done a lot of work to already with custom lights, stereo, SeaDek® and more. This engine is just a beast of power, the new Yamaha’s XTO 425 V8 is the industry’s first direct-fuel-injection four stroke and deserves its own post because of the extensive work done by our awesome team to get this engine swap done right the first time.


Original Yamaha Engine Swap Before Picture with Previous Yamaha Motor

Old Engine Removal


Yamaha XTO 425 Shipped Straight from Yamaha


Painted Motor Covers


Engine Being Put On the Jack Plate


Main helm controls and gauges for 2nd station installed on the tower.

At first water test, the Simrad screens displayed different speeds. Adjustments were made by our certified technician and the screens were then displaying matching numbers throughout both.


Bobs machine jack plate was used to adjust the height of the of the engine on the stern of the boat. Jack plates are no longer just for fishing boats, offshore boaters will enjoy the extra speed, and increased fuel economy from BMS’s new line. Jack plates are used to improve an outboard boats speed, holeshot, fuel efficiency, and the boater navigate in shallow waters. To help find the correct setback for your boat, give us a call! 407-704-5676


Some of our favorite things about this motor:

Industry’s First Direct-Fuel-Injection Four Stroke

Maximizes power and efficiency by spraying fuel at high pressure directly into the combustion chamber. It’s the first four-stroke powerhead in the outboard industry to feature direct injection.

Plasma-Fused Sleeveless Cylinders

A micro-textured, plasma-fused design increases fuel economy and is lighter, more compact and 60 percent harder than steel. This allows us to enlarge cylinder bores and increase displacement without increasing the size of the powerhead, all while dramatically reducing friction.

Integrated Steering

The XTO responds quicker to steering inputs because it contains the industry’s first electric steering motor, which directly moves the outboard.


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Stop in and enjoy playing with new speakers and stereo’s on our demo wall full of head units and speakers. Crank it up, that’s what its for!

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