This repair and service manual covers 1993-1995 Mercury Sport Jet, 90 and 120 HP. This manual can be used by anyone, from a first-time do-it-yourselfer to an experienced professional boat mechanic.
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This INSTANT REPAIR MANUAL DOWNLOAD for the Mercury 115 hp outboard engines were designed primarily for factory service Mercury 115 hp outboard technicians in a properly equipped shop. However, enough information in Mercury 115 hp outboard repair manuals is given for do-it-yourself or apprentice mechanics to correctly and safely perform repair work to their Mercury 115 hp. Clymer Mercury Outboard Marine service and repair manuals are written with model specific coverage for your Mercury Outboard Marine. From basic service and repair to complete overhauls, our Mercury Outboard manuals provide the information you need.
Detailed drawings and clear photographs give you all the information you need to do the job right.
Book Excerpt: 1993-1995 Mercury Sport Jet Repair Manual
TROUBLESHOOTING
The first step when diagnosing a fuel delivery problem is to check the fuel flow. Remove the fuel tank cap and look into the tank.
If fuel is present, disconnect and ground the spark plug leads as a safety precaution. Disconnect the fuel line at the carburetor (Figure 20, typical) and place it in a suitable container to catch discharged fuel.
See if fuel flows freely from the fuel hose when the primer bulb is squeezed.
If no fuel flows from the hose, the fuel petcock may be shut off or blocked by rust or foreign matter. The fuel hose may be restricted or kinked or a primer bulb check valve may be defective.
Make sure the vent on the fuel tank cap is open.
CAUTIONSwitch box damage may result if the engine is cranked with the spark plug leads disconnected and in an open-circuit condition.
When performing engine cranking tests with spark plug leads disconnected, be sure to provide a spark gap by installing a suitable spark tester (part No. FT-11259) or securely grounding spark plug leads to the engine.
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Proper lubrication, maintenance and tune-ups have become increasingly important as ways in which you can maintain a high level of performance, extend engine life and extract the maximum economy of operation.
You can do your own lubrication, maintenance and tune-up if you follow the correct procedures and use common sense. The following information is based on recommendations from the manufacturer that will help keep your Sport Jet unit operating at its peak performance level.
Table 1 provides the recommended lubricants, sealants and adhesives. Table 2 provides tune-up specifications. Tables 1-2 are at the end of the chapter.
Subject: 1993, 1994, 1995 Mercury Sport Jet service, maintenance, repair. ISBN-10: 0892876573 | ISBN-13: 9780892876570 | Clymer W815 ![]() Comments are closed.
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