Want to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional oil analysis kits. Results are typically received in a few days via email. Shop now.PartsVu is proud to offer these handy Yamaha F225 F250 F300 4.2L V6 Outboard Lower Unit Maintenance Kits. This kit contains the following genuine Yamaha Marine parts: ACC-GLUBE-HD-QT - 2 Quarts 90430-08003-00 - Lower Unit Drain Gaskets - Quantity 2 93101-28M16-00 - Oil Seal - Quantity 2 91490-40030-00 - Cotter Pin 6CE-W0078-01-00 (supersedes 6CE-W0078-00-00) Water Pump Repair Kit This kit is applicable with all Yamaha F225 F250 F300 4.2L V6 Yamaha Outboards.