Amazon Secure Payment System Continue shopping “Yamaha 663-44315-A0-00 Gasket,Water Pump; Outboard Waverunner Sterndrive Marine Boat Parts” has been added to your cart. Product Price Quantity Subtotal × 1990 OMC Cobra Stern Drives Service Manual 507878 $65.00 1990 OMC Cobra Stern Drives Service Manual 507878 quantity $65.00 × Yamaha 663-44315-A0-00 Gasket,Water Pump; Outboard Waverunner Sterndrive Marine Boat Parts $9.51 Yamaha 663-44315-A0-00 Gasket,Water Pump; Outboard Waverunner Sterndrive Marine Boat Parts quantity $9.51 Coupon: Apply coupon Update cart Cart totals Subtotal $74.51 Total $74.51 Proceed to checkout