Amazon Secure Payment System Continue shopping “1990 OMC Cobra Stern Drives Service Manual 507878” has been added to your cart. Product Price Quantity Subtotal × OMC STERN DRIVE, 1964-1986 Repair Manual $26.95 OMC STERN DRIVE, 1964-1986 Repair Manual quantity $26.95 × 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 $91.95 Total $91.95 Proceed to checkout