Custom Designed Outboard Engine Covers That Stay On While Your Engine is Running Made For Yamaha V6 4.2 F300, F250 and F225 HP [2009-2021] (Side Vents) Outboards Fits: Yamaha 225hp Yamaha 250hp Yamaha 300hp Unlike Other Covers, OuterEnvy's Always Stay On While You Run Thanks to Patent-Pending Technology that Keeps them Secure Even at High Speeds Does Not Interfere with Engine Exhaust or Water Streams, Allows Access to Fresh Water Flush Ports without Removal of Outboard Cover Woven Nylon Base Strap and Quick Release Buckle Secures Outboard Cover to Engine OUTERENVY specialized outboard motor covers are the most exciting new product in the outboard market today. The Grey Fish Scales cover is printed in full spectrum color and is completely breathable and remains installed while operating the engine in all conditions providing more than just added protection for your boat's motor, they look stunning as well! Instead of hiding your outboard in an old bulky style canvas cover, showcase those stylish lines and contours with an OUTERENVY Custom Fit Breathable Vented Motor Cover in Sizes to Fit Yamaha, Mercury and Suzuki Outboards.