Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 98Get this manual
General Specifications General
Displacement Cylinder Bore Diameter Standard Out of Rou nd (Max Taper (Max
74V-T ype Cylinder Two-Stroke Cycle
207 cu in(3393cc) 3.74 in (9Smm)
.006 in (O.1S2mm)
Due to the ext reme weig ht of complete powerhead assemblyit is recommended that marine tool manufacturer such as Bob Kerr's Marine Tools (407-6562089) or any other reputable tool manufacturer of powe rhead stands be contacted for the availabil ity of suitable powerhead assembly support device
.006 in (Ol S2mm)
3.732 in (8S.6mm)
Quicksilver Lubricants and Service Aids
Description Master Gasket Sealant Kit Loctite GradeA" Loctite 242 Locquic Primer Grade "T" Perfect Seal Needle Bearing Assembly Lubricant 2-4-C Mari ne Lubricant Cycle Outboard Oil Part Number 92- 12564-1 92-32609-1 Obtain Locally 92-59327-1 92-34227-1 92-42649A1 92-90018A 12 92-13249A24