Amazon Secure Payment System Continue shopping “1990 OMC Cobra Stern Drives Service Manual 507878” has been added to your cart. Product Price Quantity Subtotal × Yamaha 65U-11181-01-00 Gasket, Cylinder H; Outboard Waverunner Sterndrive Marine Boat Parts $83.21 Yamaha 65U-11181-01-00 Gasket, Cylinder H; Outboard Waverunner Sterndrive Marine Boat Parts quantity $83.21 × BRP Johnson/Evinrude Single Engine Key Switch Kit 0176408 $83.52 BRP Johnson/Evinrude Single Engine Key Switch Kit 0176408 quantity $83.52 × 1990 OMC Cobra Stern Drives Service Manual 507878 $65.00 1990 OMC Cobra Stern Drives Service Manual 507878 quantity $65.00 Coupon: Apply coupon Update cart Cart totals Subtotal $231.73 Total $231.73 Proceed to checkout