Powerhead Rebuild Kit – Mercury / Mariner 70-90hp 3 Cyl 1987-1993

Description

Powerhead Rebuild Kit

We offer two kit options for this application.
A “Short Kit” which includes: Piston Kits (piston, Riken Rings, wrist pin & Clips), Complete Powerhead Gasket Kit with Crank Seals and Rod bolts.
A “Complete Kit” which includes everything in the short kit, plus contains all powerhead bearings!

The pistons in this kit are available in STD, .010″, .015″ .020″, 030″ & .040″ oversize. To order your kit, select your desired options, then click “add to cart”. If your cylinders require different size pistons, you will need to give us a call to place the order

Standard Bore size: 3.375″

Fits

Mercury / Mariner

70hp 1987-1990
75hp 1987-1993
80hp 1987-1990
90hp 1987-1993

Replaces: 815965A4, 815965T4, 43004A86, 43004A90, 43004A99