Inspect the U-joints, the splines and the bellows. Normal Condition Few deposits are present and probably will be light tan or gray in color. The tee should be installed after the sea pump, preferably near the starter. Once aligned, remove blower pulley for access to drive collar bolts. Refer to Transom Assembly sections of this manual for identification information. Its recommended you refer to the factory service manual before performing any work.
In consideration of these factors, Mercury MerCruiser has adjusted some maintenance intervals and the corresponding tasks to be performed. This site consists of a compilation of public information available on the internet. Perform plug service only on those plugs suitable for additional service, using the following procedures: 1. Engine will not crank over. Check the spark plug wires. Mercury Mercruiser Bravo + Sport Master Service Repair Manual Service Manual Application: All Bravo Models Serial Number 0M100000 and Above + Sport Master Models Serial Number 0M052945 and Above. If unsure, then drain the tank completely.
Check the continuity circuit for loose or damaged connections. These issues can cause an engine to overheat. Mercury Mercruiser Bravo One,Two,Three + Transom Service Manual Service Manual Application: Bravo One, Bravo One X, Bravo One X Diesel, Serial Number 0M198373 and Above. Check the electrical system for loose, damaged or corroded fasteners. Noise will stop as soon as engine is turned off. If too high, find cause and correct. Operating in Saltwater Only: treat the engine surface with corrosion guard.
Download manual guide of Mercruiser 454 Service Manual in pdf that we indexed in Manual Guide. Release the tension on the Poly-V belt and remove belt. Prime fuel system so that filter is full of 91-octane gas. Apply a small amount of Red Loctite threads to new longer crank pulley bolts and torque to 35 foot-pounds. You will find repair procedures to handle the simplest mechanical task to the most complex, such as engine rebuilds.
Perform the cylinder balance test. This, in addition to extensive research, is how Clymer repair manuals achieve an unmatched level of detail, accuracy and clarity to guide the owner through each service, troubleshooting and repair procedure. Best of all, you can download the manual in just seconds. Remove any oil deposits with solvent and dry plugs thoroughly. Whipple Superchargers has provided a stainless restrictor for the thermostat housing that will restrict the flow like a thermostat, but pressure still must be checked, as this may be too much restriction ideally or not enough means you need more.
The proper level should be between the bottom of the sight glass and the middle. Open the electrode gap wide enough to permit cleaning and filing. This oil is a special blend of 25-weight and 40-weight oils for marine engines. Such fouled plugs may be serviced clean, file and regap and reinstalled. Failure to perform these simple tests may result in severe engine damage. Do not design your own fuel system, the system is designed for use and installation as we specify.
A popping noise that will increase with engine rpm. You must supply Whipple with line length and type of fitting 90° or straight only. Poor cold engine operation 3. Clymer boat repair manuals are the cheapest way to keep your MerCruiser engine running properly. If the problem persists, contact the manufacturer regarding the correct power package. For engine water pickups, you want your trailing edge to only hang between. The limited warranty must be signed, dated and returned to Whipple Industries within 14 days of the purchase date accompanied by a copy of the original sales invoice.
This supercharger is a high quality, close tolerance compressor that cannot be subjected to dirt or any type of foreign material. Make sure 91 octane or higher is in the vessel. This plug shows that the plug heat range is compatible with the engine, and the engine is electrically and mechanically in good running condition. Therefore, it is very important that the boat owner and the servicing dealer discuss the current Maintenance Schedule and develop appropriate maintenance intervals to coincide with the individual operating habits, the environment and the maintenance requirements. The Whipple intercooler will take water away from the engine if the water is teed from the stock system, so block pressure must be checked before and after. In some cases, this may allow for more individual tasks in a single visit to the servicing dealer. If operating in salt, brackish or polluted waters, flush the cooling system after each use.
MerCruiser Manual This Clymer Stern Drive manual covers the MerCruiser inboard for the years 1986-1994. If you do not notice bubbles, install the hose between the thermostat housing and manifold s. Only engine repairs will permanently relieve oil wet fouling. All Information And Specifications Included In This Manual Were In Effect At The Time Of Approval For Printing. Test the MerCathode unit output on Bravo Models.
Lubricate the gimbal bearing and the engine coupler. Secure lines with zip ties. This manual should be kept in a handy place for ready reference of the service work. Use the tee nut to slide back and forth, the idler spacer to space idler out correctly and the idler washer that centers the hex bolt on front side of idler bearing. Check the seawater strainer and clean. Service Manual 31 Part Number 90-864260. Reinstall the water pickup or the through the ull fittings in the proper locations.