MAR-MTRCV-1M-30 - COWL COVER VZ250/225 This particular cover is for all VZ250/225 Yamaha outboards. It is constructed of durable SurLast solution-dyed polyester fabric. SurLast fabric offers the ultimate protection against the harsh marine environment. This non-abrasive, water-resistant cover is also resistant to UV rays, mold, and mildew for added protection. The cover features an adjustable snap-buckle strap for a secure and snug fit.