This WSM powerhead rebuild kit is for Mercury and Mariner 2.0L V6 powerheads using bottom-guided rods and the 636 connecting-rod family. It is the 3.125-inch bore kit used on the 1983-1991 135-150 HP family.
Fitment
- Mercury/Mariner 135-150 HP 2.0L V6 bottom-guided powerheads: 1983-1991
Technical Specifications
- WSM standard-size kit: 100-50-10
- 6-cylinder 2.0L V6 powerhead
- 3.125-inch standard bore
- Bottom-guided configuration
- 636 connecting-rod family
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
- 3 port-side and 3 starboard-side WSM piston kits with rings, wrist pins, and clips
- Complete gasket kit: 2 head gaskets, 2 head-cover gaskets, 1 drive-housing gasket, 1 large-hole base gasket, 1 housing-plate gasket, 1 choke-plate gasket, 3 carburetor gaskets, 6 reed-valve gaskets, 1 reed-block-housing gasket, 2 divider-plate gaskets, upper/lower end O-rings, 1 fuel-pump gasket, 4 relief-valve gaskets, 2 V6 cork gaskets, 1 divider-hose seal, 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.
