UV & Water Resistant Heavy Duty Constructed of ultra-durable polyester fabric Soft fabric inner liner This motor cover is for Four-Stroke A-Model F150 outboards ONLY. If you have a B-Model F150 (i.e. F150XB), you need the MAR-MTRCV-F2-00 or F2-01 4-cylinder F200 motor cover. If you are unsure if this cover will fit your F150, please contact us. Super heavy-duty protection for your Yamaha outboard cowling. Constructed of ultra-durable Sur Last solution dyed polyester fabric for the ultimate protection against fading and the elements, this non-abrasive, water resistant cover is resistant to UV, mildew and mold. The cover has a soft fabric inner liner for added paint protection, and screened-in factory logos for unmatched style. Includes a snap-buckle strap and stretch cord for a snug fit. These covers are for storage only and must be removed prior to starting engine.