Yamaha F150TXR / F150A (2012-2014) Deluxe Outboard Cowling Cover - MAR-MTRCV-1C-15. Important Fit Notice - Read Before Installing. This cover is engineered for a tight initial fit, which can give the false impression that it "doesn't fit." This snugness is intentional and ensures maximum long-term protection.. For easier installation:. Apply a light coat of marine wax to the cowling to reduce friction.. Warm the cover in direct sunlight for several minutes to make the SurLast fabric more pliable