9.9 HP
FourStroke
Mercury 9.9 HP FourStroke
EFI · 2-cyl
$3,810 MSRP
Quiet, fuel-efficient and refined — Mercury FourStroke outboards deliver smooth, reliable power with class-leading durability and the lowest maintenance in their class.
Specifications
| Horsepower | 9.9 HP |
| Configuration | EFI — 2-cyl |
| HP | 9.9 HP |
| MSRP (base) | $3,810 |
Specifications are Mercury published figures for this engine platform; exact weight, gearcase and rigging vary by shaft length and configuration — confirm on your quote.
Parts & diagrams for this engine
Genuine parts
Parts that fit your 9.9 HP FourStroke →
Jump to the parts store, pre-filtered to your engine — kits, water pumps, anodes, filters and more, factory-direct.
Exploded diagrams
Look up the 9.9 HP FourStroke diagram ↗
Find the exact component on Mercury’s official exploded parts diagrams by serial number or model, then order it here.