This WSM powerhead rebuild kit is for 1992-1993 Mercury and Mariner 100 and 115 HP L4 powerheads using the top-guided rod configuration. It uses the 3.375-inch bore family and includes the major rotating-assembly and sealing components for the rebuild.
Fitment
- Mercury/Mariner 100 HP L4 4-cylinder: 1992-1993
- Mercury/Mariner 115 HP L4 4-cylinder: 1992-1993
Technical Specifications
- WSM standard-size kit: 100-35-20
- L4 4-cylinder looper powerhead
- 3.375-inch standard bore
- Top-guided connecting-rod configuration
Piston Size Options
- Standard
- .010 oversize
- .015 oversize
- .020 oversize
- .030 oversize
- .040 oversize
Measure the finished cylinder bore before selecting piston size.
Complete Kit Includes
- 4 WSM piston kits with rings, wrist pins, and clips
- Complete gasket kit: 1 head-cover gasket, 1 base gasket, 8 carburetor gaskets, 8 reed-block gaskets, 2 intake gaskets, 2 exhaust gaskets, lower end-cap and crank O-rings, 1 3.0-liter O-ring, 1 fuel-pump gasket, 1 thermostat gasket, 1 upper oil seal, and 1 lower end-cap oil seal
- 1 upper main bearing, 3 center main bearings, and 1 lower main bearing
- 4 upper and 4 lower connecting-rod bearings
- 8 connecting-rod bolts
Fitment Note
Outboard applications can vary by horsepower, year, bore size, rod-guidance style, and model or serial range. Compare the fitment and technical details above with your engine 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.
