The O-Ring, Seal and Rebuild Kit from Buckshot Racing #77 is specifically designed for maintaining the Mercury Triple Ram Trim and Tilt system used in the clamp brackets of Mercury 2-stroke outboards.
 
This kit ensures the smooth operation of the trim and tilt mechanism, enabling precise movement under all operating conditions. With compatibility across a wide range of Mercury outboard models requiring (oem part kit 811612), it is engineered for durability and long-term reliability, making it an essential component for marine maintenance.
 
This kit is a direct replacement for the following Mercury OEM part numbers: 8116121 (NLA), 811612, 811612A1, 811612A2, and later 811612A3
 
The O-Ring, Seal and Rebuild Kit supports Mercury 2-stroke outboards ranging from 75 HP to 300 HP, including both EFI and carbureted models. The compatible models include:
 
V-175 (EFI): 0G960500 to 0T408999
V-200 (EFI): 0G960500 to 0T408999
250 HP (3.0L EFI): 0G760300 to 0T408999
225 HP (6 Cyl, 2.5L): 0T178500 to 0T598999
V-150 (EFI): 0G960500 to 0T408999
150 HP V6 (2.5L): 0T178500 to 0T808999
175 HP V6 (2.5L): 0T178500 to 0T808999
225 HP (3.0L EFI): 0G760300 to 0T408999
200 HP (6 Cyl, 2.5L): 0T178500 to 0T598999
140 JET: 0G960500 to 0T178499
V-140 (International): 0T178500 to 1B226999
135 HP V6 (2.5L): 0T178500 to 0T808999
XR-6 / Magnum III (150 HP): 0G960500 to 1B226999
V-200 (2.5L): 0G960500 to 1B226999
 
Additionally, it supports various other models, including the 100 (4 Cyl), 115 (4 Cyl), 105 JET, and various Mercury Pro Max and Mariner Super Magnum configurations. For a full list of compatible serial ranges, refer to the attached chart.
 
This kit is ideal for restoring and maintaining the Mercury Triple Ram Trim and Tilt system used in high-performance outboards for recreational boating, fishing, and racing applications.
 
✔ Prevents Leaks – Ensures proper sealing to maintain hydraulic fluid pressure.
✔ Durable Materials – Built to resist corrosion, pressure, and wear in saltwater environments.
✔ Restores Smooth Operation – Improves the functionality of the trim and tilt system for reliable performance.
✔ Simple Installation – Designed for straightforward replacement with basic tools.
 
The precise manufacturing of the seals and components ensures compatibility and durability, providing a long-lasting solution for keeping your outboard running smoothly.
 
For owners of Mercury 75 HP to 300 HP 2-stroke outboards, the Seal and Rebuild Kit from Buckshot Racing #77 (replaces the Mercury OEM Kit Part Number #8116121)  is a dependable and cost-effective option to extend the life of your trim and tilt system.
 
For more information contact Mike Hill at 714-697-1716 or via email at mike@buckshotracing77.com.