Take a look at this engine comparison between the Mercury 115 hp FourStroke and the Mercury 125 hp OptiMax Outboards.Trade-A-Boat: https://www.tradeaboat.com. Item 3 2000-2018 Mercury 115 135 150 175 OptiMax Outboard Motor Service Manual PDF-CD - 2000-2018 Mercury 115 135 150 175 OptiMax Outboard Motor Service Manual PDF-CD. Item 4 Honda Marine Outboard Manual 1984-2004 Repair Service Shop Manual. Extraordinary engineering for extraordinary speed. When you're feeding your need for speed, Mercury Pro XS engines will get you there faster. Engineered to meet the demands for high speeds on fresh or salt water, these high-performance motors deliver a winning combination of power, acceleration, durability, and fuel efficiency.
Find the right parts for your Mercury® or MerCruiser® engine here. Search by serial number to see detailed engine diagrams and part numbers, then contact your local authorized Mercury Marine dealer to place your order. You can also browse by model, but we strongly recommend using your serial number to ensure you find the correct parts.
Mercury has an extensive network of factory-trained dealers to help answer any parts-related questions you may have. Click here to find your local authorized Mercury Marine dealer.
For Mercury outboards, the serial number label is located on the transom bracket.
2010 Mercury 115 Optimax
Mercury Optimax 115 Manual
You can locate the MerCruiser serial number label on either the side of the engine or on top of the flame arrester cover.