Mercury & Mariner 2.5L 175, 210, & 240 HP Sportjet Outboard Powerhead Parts Diagrams

The Mercury & Mariner 2.5L 175/210/240 HP Sport Jet Powerhead Parts Diagrams features high-quality replacement parts designed to deliver dependable performance for Sport Jet models produced between 1997 and 2009. Our catalog offers new pistons, rings, wrist pins, bearings, and much more. 

The diagram above is for a Mercury/Mariner Powerhead for V6 175/210/240 HP 2.5L Sport Jet models. The following parts correspond to the numbers on this diagram:

1. Head Gasket
2. Gasket Kit
• Cylinder Head O-Ring Kit (not pictured)
• 175 HP Head Gasket Kit (1997-99) or O-Ring Kit (2000 & Up) 
  (*Please Specify Gasket or O-Ring Head)
• 210 HP Sport Jet Gasket Kit
• 240 HP O-Ring Head Gasket Kit (2000 & up) (not pictured)

We recommend the following kits for this powerhead:

• Carburetor Kit
• Fuel Pump Kit

The diagram to the right is for a Mercury & Mariner Crankshaft Assembly for V6 175/210/240 HP 2.5L Sport Jet models. The following parts correspond to the numbers on this diagram:

1. Rod Bearing
2. Wrist Pin Bearings
3. Center Main Bearing
4. Upper Main Bearing
5. Lower Main Bearing
6. Rod Bolt
7. Connecting Rod

Although not numbered on the diagram, the following items are available for purchase:

• Crankshaft Seal Kit