Restore the performance of your Mercury/Mariner 240HP 2.5L EFI 6-Cylinder SportJet with this complete powerhead rebuilt kit. Designed for models from 2001-2006 with a 3.5” bore size, this kit is an all-in-one solution, restoring your engine’s performance and reliability, saving you time and money.
Key Features & Benefits
- All-in-One Package – Every critical component needed for a reliable powerhead rebuild in one kit.
- OEM-Level Quality – Featuring WSM cast pistons and the highest-grade gaskets for superior sealing and durability.
- Performance Ready – Restores horsepower, fuel efficiency, and smooth operation of your SportJet.
- Flexible Fit – Choose piston size (Standard or Oversize) to match your rebuild needs.
- Built for Mercury/Mariner SportJet Engines – Engineered for 2001–2006 240 HP EFI 6-cylinder powerheads.
What’s Included in the Kit
1. Six WSM Pistons – Available in Standard or Oversize (.010, .015, .020, .030, .040), each piston comes complete with Japanese piston rings, pins, and clips.
2. Comprehensive Gasket Set – Includes:
- 2 Outer Cylinder Head O-Rings
- 6 Inner Cylinder Head O-Rings
- Adapter Plate, DFI Plate, Reed Block, and Divider Gaskets
- Expansion Chamber, Engine Adapter, Base, Relief Valve, Fuel Pump & Drive Housing Gaskets
- Full set of O-Rings & Seals (Temp Sensor, End Cap, Upper/Lower)
3. Main Bearings – 1 Upper, 2 Center, 1 Lower
4. Rod Bearings – 6 Upper + 6 Lower
5. 12 Rod Bolts – Engineered for secure, long-lasting rebuilds
SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping)
If you have any questions, please contact us through e-mail at customerservice@marinepartswarehouse.com. Please provide your engine model number to help confirm compatibility.