Amazon Secure Payment System Continue shopping “1990 OMC Cobra Stern Drives Service Manual 507878” has been added to your cart. Product Price Quantity Subtotal × Newport Vessels Kayak Series 36lb Thrust Saltwater Transom Mounted Electric Kayak Trolling Motor with 24" Shaft $139.00 Newport Vessels Kayak Series 36lb Thrust Saltwater Transom Mounted Electric Kayak Trolling Motor with 24" Shaft quantity $139.00 × 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 $204.00 Total $204.00 Proceed to checkout