$1,995 This listing is for a good used 1983 Mariner/Yamaha 40 HP 2-Cyl Carb 2-Stroke 15" (S) Outboard Motor. Model number: 40E. Serial number: 6E9-104753. Weight - 150 lbs. 145-150 PSI compression on both cylinders. New Gear Oil. Electric and Manual Start. Manual Tilt/Trim. Standard Rotation. NOTE - Please be sure to check all shipments for any potential damage during transit. It is the sole responsibility of the receiving party to fully inspect the product at the time of delivery for any potent