To order a printed version of the Service Manual for your particular Mercury Outboard or MerCruiser Engine, click here. If the electronic version of the Owner's Manual is not available for your engine, please contact Mercury Support at 920-929-5110 to receive one. Mercury Outboard Shop Service Manuals 2-Stroke Outboards. PART NUMBER/ REVISION DATE : MODEL (PREFIX) SERIAL NUMBERS: Buy Now: 90-25500: All models, 1965 and Prior: All: 100 & 115 (4 Cylinder) 1988 thru 1993 (U) 0A997142 thru 0D283221 (B) 09502135 thru 09793576 (C) 0A722297 and Above (U) 0B209468 thru 0D283221 (B) 09523034 thru 09793576 DOWNLOAD MerCruiser Repair Manual #9 GM V8 Cylinder 1985-1988. Mercury Outboard Repair Manual November 24, 2016 0. Repair Manuals. DOWNLOAD 2012 Evinrude E-TEC 75hp 90hp Repair Manual August 6, 2018 0. MerCruiser Overheating 350 (5.7L) 305 (5.0L) 1993-1997 October 26 Select Mercury Outboard Motors Models Below. A leading name in marine engines, Mercury is recognized for producing top-quality outboard motors as well as the MerCruiser line of inboard engines. Founded in 1939 by the talented engineer-businessman Carl Kiekhaefer, the Mercury brand of boating engines are found as factory equipment with many Owner's manuals. OWNERS MANUAL [SC1000 SYSTEM TACH/SPEEDOMETER AND SMART TOW TACHOMETER] 898283002. TOP SELLING ITEMS FOR YOUR 1988 Outboard 85 [ H0851X88A ] Mercury Marine. Reed (5 PETAL) F530160. USD 19.99 19.99. $19.99. You save $1.68. Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United #1 Fairly mechanically-inclined woman -- new-to outboards, here. Just bought a very little used boat & '88 25hp Merc Outboard (manual start). Motor so clean, you could eat off it. Must've been garaged. Never exposed to ethanol, until now. Started up, got rough - then stopped. Really stopped. Hose liner to fuel tank totally mangled. Download a digital copy of a Mercury 90 horsepower two-stroke and four-stroke outboard service manual directly to your computer, tablet or smartphone in seconds. The 90 hp Mercury manual covers every aspect of maintenance, service, troubleshooting and repair. 2009 Mercury 90 ELPTO oil injected: 1987-1988 Mercury 90 2-stroke: Owner's manuals. OWNERS MANUAL [SC1000 SYSTEM TACH/SPEEDOMETER AND SMART TOW TACHOMETER] 898283002. TOP SELLING ITEMS FOR YOUR 1988 Outboard 50 [ H0504H88D ] Mercury Marine. Water Pump Impeller with Insert F433065-2. USD 26.99 26.99. $26.99 Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the 1988 Mercury 90 HP. 90ELPTO. This 90 H.P. Mercury outboard motor was made for the saltwater environment. The piston displacement is 71.1. The bore and stroke are 3.38" and 2.65" respectively. This outboard has starter of the electric type and power steering as well. Serial Number: B240451. RPM Information: 5000-5500. 1988 Volvo Penta Mercury Outboard Discussions 4-Stroke Bracket Cable Carburetor Code Color Compression Cooling Crankshaft Cylinder Dealer Diagram Drive Electric Exhaust Flywheel Fuel Fuel Pump Gasket Gauge Gearcase Impeller Jack Plate Key Leak Loss Lower Unit New Oil Oil Mixture Paint Part Piston Power Powerhead Pump Pumping Ratio Repair RPM Sale This 1988, 135 hp Mercury is made for saltwater. It has 6 cylinders. The pistons have a 121.2 displacement. The bore width is 3.12" and the stroke length is 2.65". Mercury Outboard Manual: Information on this page has come from multiple third parties