SEI Yamaha Lower Unit SE416 (Replace some Yamaha V6 2 & 4 Stroke)Replaces most Yamaha 90 Degree V6 2 Stroke and some inline 4 cylinder 4 Stroke engines The paint color for all lower units is transitioning to black as inventory becomes depleted. Therefore, color may vary depending on product availability at time of order For application assistance: Please have your engine model number available and call 609 515 5486 were happy to verify this is the correct lower