Yamaha Outboards

Counter Rotation only Replaces LF250 lower units with dual water intakes. Also replaces early LF250 lower units with side water intakes.  This unit has the watercooled bearing carrier. It is painted black but you can paint it to match your engine. ...

Replaces F250 lower units with dual water intakes. Also replaces early F250 lower units with side water intakes.  This unit has the watercooled bearing carrier. It is painted black but you can paint it to match your engine.   All SEI Outboard...

Replaces most Yamaha 90 Degree V6 2-Stroke and some inline 4 cylinder 4-Stroke enginesThe paint color is Black. You can paint it to match.   All SEI Outboard Lower Units come with a fully transferable No Fault Warranty for 3 Years.   To read...

Replaces most 200HP/225HP and some 250HP Yamaha 76 Degree V6 Counter Rotation Motors with a 1.81 RatioReplaces most 200HP/225HP Yamaha V6 4-Stroke Counter Rotation Motors with a 2.00 RatioFor Counter Rotation only, do not use for Standard RotationThe...

Replaces most Yamaha 76 Degree V6For application assistance:Please find your engine model number and call 813-925-7127The paint color is Black. You can paint it to match.Not designed for Yamaha F250 four stroke 250 HP motors   All SEI Outboard Lower...

Replaces most Yamaha 90 Degree V6 2-Stroke engines with a 1.86 Gear Ratio.For Counter Rotation applications only (do not use for Standard Rotation).The paint color is Black. You can paint it to match.   All SEI Outboard Lower Units come with a fully...

Replaces all Yamaha V-4 2-Stroke Standard Rotation Lower Units.115HP and 130 HP onlyAlso fits 2000-2014 F115 4 stroke Standard Rotation modelsThe paint color is Black. You can paint it to match.   All SEI Outboard Lower Units come with a fully...