This Sierra water pump repair kit is a direct replacement for Yamaha 61A-W0078-A3 & 61A-W0078-A2-00 kits. This kit applies to the following Yamaha outboard models:. F150. F200. F225. 225. 250 (1992 & newer). S150. SX150. S200. SX200. S250. SX250. V150. V250. VX150. VX250. VZ150. VZ200 (2.6L). Z150. Z300. P150. P200. C150 (1997~1999). PX150 (1999)