This WSM powerhead rebuild kit is designed for Mercury & Mariner 75/90/115 HP 3-CYL 1.5L DFI/Optimax (2004 & Up). It groups the major internal engine components needed for an application-specific powerhead overhaul into one kit.
Fitment
- Mercury & Mariner 75/90/115 HP 3-CYL 1.5L DFI/Optimax (2004 & Up)
Technical Specifications
- WSM standard-size kit: 100-27-10
- 3.6255-inch standard bore
- OptiMax / DFI direct-injection application
Piston Size Options
- Standard
- .015 oversize
- .020 oversize
- .030 oversize
- .040 oversize
Measure the finished cylinder bore before selecting piston size.
Complete Kit Includes
- WSM piston kits with rings, wrist pins, and clips for the application
- Complete application-specific powerhead gasket and seal kit
- Main bearings: One Upper, Two Center, and One Lower
- Connecting-rod bearings required for the application
- Six Rod Bolts
Fitment Note
Outboard powerhead applications can vary within the same horsepower and year range. Verify the model or serial number, bore size, cylinder configuration, induction system, and any rod, head, reed, or bearing details listed above before ordering.
Questions About This Product?
Have questions about this product? Email us at customerservice@marinepartswarehouse.com and include your motor information with your question.
