SEI SE521 Lower Unit for Suzuki DF200, DF225 & DF250 Standard RotationThe SEI SE521 is an aftermarket replacement lower unit for select Suzuki DF200, DF225, and DF250 outboards. Available for 25" and 30" shaft applications, this standard-rotation lower unit comes in black and can be painted to match your engine.This item is subject to a 20% restocking fee.Year, serial number, and horsepower are required to process your order. Please contact us with this information after placing your order. Processing will be delayed until this information is received.Features Aftermarket replacement for select Suzuki DF200, DF225, and DF250 lower units; Available for 25" and 30" shaft applications; Standard rotation only; Overall gear ratio of 2.29:1, including the engine's gear reduction; Black finish that can be painted to match; Fitment 25" option: Suzuki DF200TX (20042014) and select DF225TX and DF250TX applications from 2004 onward; 30" option: Suzuki DF200TXX (20042014) and select DF225TXX and DF250TXX applications from 2004 onward; Not compatible with Suzuki AP models or counter-rotation applications. Verify your engine model, year, serial number, and shaft length before ordering. Horsepower alone does not establish compatibility.Shaft Length SelectionChoose the option that matches your engine's shaft-length designation. The 25" version is SEI part number 90-521-B25F; the 30" version is SEI part number 90-521-B30F.