This WSM powerhead rebuild kit is for the later Mercury and Mariner 2.0L V6 135-150 HP family using top-guided rods, horizontal reeds, and a dowel-pinned cylinder head. The standard bore is 3.125 inches.
Fitment
- Mercury/Mariner 135 HP 2.0L V6: 1992-1999
- Mercury/Mariner 150 HP 2.0L V6: 1992-1999
Technical Specifications
- WSM standard-size kit: 100-30-10
- 6-cylinder 2.0L V6 powerhead
- 3.125-inch standard bore
- Top-guided connecting rods
- Horizontal reeds
- Dowel-pinned cylinder head
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
- 6 WSM piston kits with rings, wrist pins, and clips
- Complete gasket kit: 2 head gaskets, 1 drive-housing gasket, 1 base gasket, 1 drive-plate gasket, 1 reed-block gasket, 1 attenuator gasket, 3 attenuator-to-carburetor gaskets, 3 carburetor-mounting gaskets, 1 divider-plate gasket, upper and lower cap O-rings, 1 fuel-pump gasket, 4 relief-valve gaskets, 1 megaphone gasket, 2 case-half gaskets, 1 divider-hose gasket, and 3 end-cap oil seals
- 1 upper main bearing, 2 center main bearings, and 1 lower main bearing
- 6 upper and 6 lower connecting-rod bearings
- 12 connecting-rod bolts
Fitment Note
Mercury and Mariner V6 and L4 applications can differ by bore, rod-guidance style, induction system, cylinder-head sealing style, connecting-rod family, and serial range. Verify the technical details above against the 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.
