Bulletins are listed by the date and sequence of when they
were written.
You will need Adobe Acrobat to read the PDF files.
| 1988 Mercruiser Service Bulletins |
|---|
| Torquing Bravo One U-Joint |
| Piston Knock in MCM 224 |
| Replacement starter motor P/N 50-12872 for Mer-Cruiser |
| Loose Hinge Pins – Bravo |
| Overrich Acceleration “Bog” on MerCarb Equipped Models MCM 120/140/2.5L/3.0L |
| Possible Water Leak in Transom Assembly |
| Diesel Bravo Two/lnboard Engine Packages |
| Power Trim Control P/N 55642A13 Assembled Wrong |
| Alpha One and Bravo One Upper Swivel Shaft Bushing Removal Tools a |
| Tilt Steering Wheel Mount |
| MerCruiser 215E Shift |
| Required Spark Plug Wire |
| Laser II Propeller Vent Plug |
| Possible Water Leak Caused by TR/TRS Transom Cutout |
| MerCarb Flooding / Hurth Transmission Fluid |
| New Distributor Gear / 454 Magnum (365 HP) Rocker arms |
| Alpha One Shift Assist Assembly and Remote Control Shift Cable Adjustment |
| 1989 Mercruiser Service Bulletins |
|---|
| 1988/89 MerCruiser/Sea Ray Engine Identification GM Engine Models |
| B.M.W. D190/D150 Models Overheating |
| MerCruiser Diesel Injector & Pump Diagnosis |
| MR and Alpha One Shift Cable Adjustment |
| Use of Proper Anti-Freeze in Diesels |
| Engine Timing Changes MIE 5.7 / 420 & 575 Water Separating Fuel Filter |
| HEI Distributor Shaft Roll Pin Oversized hole Carter Fuel Pump Use on 7.4 / New Prestolite Alternator |
| Hinge Pin Torque Change 120R-MR - 260R-MR and All Alpha Ones Shift Spool Assembly All |
| Digital Distributorless Ignition |
| Wiring Harness Changes All Hurth Transmission Tool List |
| MerCruiser Diesel Service Bosch Diesel Nozzle Tester |
| 1988 vs. 1989 Bravo Drive Unit and Transom Assembly Interchangeability |
| Rattling Sound on MIE 7.4L |
| Paint Blistering on Oyster |
| Installation of Dual Engine Console Mount Commander Remote Controls |
| B.M.W. Stern Drive/Inboards |
| New Heavy Duty Gears in 1.50:1 Alpha One Upper Drive Shaft Housing Assembly Near Net Forged Forward and Pinion Gears in 350 Magnum Alpha One Lower Unit |
| MCM and MIE 7.4L (454 CID) Cylinder Head Bolts |
| Selecting A Propeller For Diesel |
| Bravo Transom Plate Oil Hose Starting Procedure if Gasoline Engine is Shut-Off or Stops with the Bravo Drive Unit in Gear |
| MerCarb Flooding |
| Alpha One Transom Shift |
| Attachment of Gear Lube Monitor |
| Installation of Stop-Start Panel STOP-START PANEL |
| MerCruiser Diesel Service Manuals |
| 4.3LX and 5.7L Choke Rod Solid State DC Voltage Regulators |
| Fuel Recommendations |
| 224 C.I.D. Engine Push Rod |
| Elimination of Water Drain Petcocks |
| Alpha One - Bravo One and
Bravo Two Trim Sender Indexing Marks Misaligned |
| Water Ingestion on
MerCruiser V6/V8 Stern Drive and Inboard Engines |
| 1990 Mercruiser Service Bulletins |
|---|
| USA and Canada Gasoline |
| Merc Carbs Having Incorrect Choke |
| Alpha One Bell Housing Shift |
| Borg Warner Velvet Drive |
| Removal of Upper Swivel Pin |
| Shift Plate Inspection |
| Spark Plug Wire Terminal and Boot Change |
| Rough Idle or Can’t Adjust Idle Mixture Screws |
| Diesel Engine Idle RPM |
| Incorrect Engine Maximum RPM on Serial Number Plate |
| Wrong Diameter Water Hose Being Connected |
| Use of Propylene Glycol Antifreeze |
| OIL LEAK AT FRONT OF ENGINE |
| Possible Cause for Engine Overheating |
| Delco EST Ignition System |
| Timing and Maximum RPM Changes |
| REPLACEMENT OF GIMBAL HOUSING STUDS JUST BELOW THE INNER TRANSOM PLATE ENGINE SUPPORTS ON ALPHA ONE GENERATION II TRANSOM ASSEMBLY |
| 31-35988A12 Bearing Set |
| POSSIBLE DIFFICULTY SHIFTING OUT OF GEAR ON BRAVO DRIVE 1.36:1 AND 1.81:1 |
| 1991 Mercruiser Service Bulletins |
|---|
| NEW BATTERY AND BATTERY CABLE REQUIREMENTS FOR MERCRUISER PRODUCTS |
| ENGINE SPECIFICATION CORRECTIONS IN #9 MANUAL |
| MCM 502 Magnum Specs |
| 815471A3 BRAVO SHIFT CABLE REPLACEMENT KIT |
| SEAWATER/FUEL PUMP MAINTENANCE |
| MCM 7.4L Bravo, MIE 7.4L Specs |
| NEW ENGINE BREAK-IN PROCEDURE FOR DIESEL ENGINES |
| MCM 350 Magnum Alpha, and Bravo Specs |
| OIL LEAKING FROM WATER PICKUP HOLES IN GEAR HOUSING ON ALPHA ONE GENERATION II DRIVE |
| STARTER RELAY “CHATTER” ON DIESEL ENGINES |
| WARRANTY FRAUD/ Super Chargers |
| PRIMING 4-CYCLE ENGINES WITH OIL |
| REPLACEMENT TRIM PUMP FOR THE PRESTOLITE STYLE PUMP |
| Alpha One Generation II Tool List |
| MCM 454 Magnum Bravo |
| MCM 4.3L, 4.3LX Alpha |
| MERCRUISER INSTRUCTIONAL VIDEO TAPES |
| ANODE MATERIAL CHANGE |
| BRAVO DRIVE UNIT/HOUSING COMPARISON AND IDENTIFICATION |
| DRIVE UNIT GEAR RATIO IDENTIFICATION |
| ALPHA ONE VERSUS ALPHA ONE GENERATION II UPPER DRIVE SHAFT |
| USE OF PRIORITY VALVE KIT FOR DUAL POWER STEERING ON 3.0 L AND 3.0 LX |
| ALPHA ONE/MCI 1990 AND PRIOR, LOWER DRIVE SHAFT |
| NEW OIL SEAL BUSHING FOR BELL HOUSING |
| BRAVO CONE CLUTCH |
| Required Water Separating Fuel Filter Replacement |
| REQUIRED WATER SEPARATING FUEL FILTER REPLACEMENT |
| 1992 Mercruiser Service Bulletins |
|---|
| 224 CID (3.7L) PISTON IDENTIFICATION, TYPE AND CLEARANCE |
| TRIM PUMP 110 AMP FUSE |
| BRAVO LOWER GEAR HOUSING PINION NUT |
| NEW TRIM CYLINDER SPANNER WRENCH TOOL 91-821709 |
| REQUIRED WARNING DECAL INSTALLATION |
| SEAWATER/FUEL PUMP HOSE CONNECTIONS |
| ENGINE RPM “HUNTS” AT IDLE SPEED |
| ENGINE ALIGNMENT TOOL MODIFICATION |
| REQUIRED DISTRIBUTOR CAP GASKET INSTALLATION |
| TESTING THUNDERBOLT IV HEI IGNITION SYSTEM |
| NEW TRIM LIMIT SWITCH AND TRIM SENDER KIT |
| LEAKAGE BETWEEN EXHAUST PIPE AND GIMBAL HOUSING ASSEMBLY |
| MCM 502 Magnum/MIE 8.2L |
| REQUIRED ELECTRIC FUEL PUMP RFI FILTER REPLACEMENT |
| MCM 5.7L Alpha, MIE 5.7L Inboard and 5.7L Competition Ski Engines |
| ADDITIONAL IGNITION SYSTEM ADVANCE CURVE SPECIFICATIONS |
| WEBER CARBURETOR ADJUSTABLE ACCELERATOR PUMP |
| TORSIONAL (CRANKSHAFT) DAMPER BOLT TORQUE CHANGE |
| V6/V8 THERMOSTAT HOUSING CHANGE |
| 1993 Mercruiser Service Bulletin |
|---|
| MCM 7.4L Bravo Three GM Generation V Engine |
| A. VAPOR SEPARATOR TANK (VST) RECALL B. ELECTRIC CONTROL MODULE (ECM) RECALL |
| UNIVERSAL JOINT CROSS & BEARING CUP SEAL |
| REQUIRED FLAME ARRESTOR REPLACEMENT |
| REQUIRED FUEL PUMP PUSH ROD REPLACEMENT |
| ADD WATER INLET HOSE CLAMP |
| ALTERNATE GEAR RATIO STERN DRIVE UNITS FOR HIGH ALTITUDE |
| 224 CID (3.7L) MINIMUM OIL PRESSURE |
| NEW REVERSE GEAR 43-824109 AND THRUST SPACER 23-824108 |
| BRAVO SHIMMING PROCEDURE CHANGE FOR THE GEAR CASE BEARING CARRIER |
| REQUIRED STARBOARD ENGINE MOUNT BOLT REPLACEMENT |
| REQUIRED FUEL INLET FITTING REPLACEMENT ON WEBER CARBURETOR |
| ROCHESTER 4 BBL QUADRAJET CARBURETOR |
| EXHAUST BELLOWS FALLING OFF |
| 224 CID (3.7L) EXHAUST ELBOW/RESERVOIR TORQUE AND RETORQUE |
| V6 AND V8 THERMOSTAT HOUSINGS |
| Blackhawk Drive Applications |
| Service/Repair Of Electrical Test Equipment |
| POSSIBLE WATER LEAKAGE PAST TRANSOM MOUNTING STUDS ON ALPHA AND BRAVO TRANSOM ASSEMBLIES. |
| Stern Drive Setback System |
| MERCRUISER EFI TESTER |
| BRAVO THREE BEARING CARRIER OIL SEALS |
| MCM 454 Magnum EFI, MIE 454 EFI Ski GM Gen V 454 Magnum 454 EFI |
| REQUIRED EFI VST FUEL FILTER REPLACEMENT |
| ENGINE CONTROL MODULE (ECM) RECALL |
| DHB Power Steering Valve (806034A1) |
| MCM 350 EFI Magnum |
| INCORRECT ANEROID ADJUSTMENT |
| 1994 Mercruiser Service Bulletins |
|---|
| BRAVO TRIM IN LIMIT SPACER KITS |
| THUNDERBOLT V IGNITION SYSTEM |
| A. CYLINDER HEAD BOLT CHANGE B. CYLINDER HEAD TORQUE SEQUENCE CHANGE C. THRU-HULL WATER PICK UP ELIMINATED ON MCM D4.2L |
| GASOLINE RECOMMENDATION FOR ALL MERCRUISER MODELS |
| Drive Unit Trim Tab / New Anodic Plate |
| DHB POWER STEERING CONTROL VALVE |
| STERN DRIVE – REAR ENGINE MOUNT BOLT TORQUE |
| REQUIRED FUEL INJECTOR “POD” AND ECM REPLACEMENT |
| BATTERY REQUIREMENTS FOR MERCRUISER PRODUCTS |
| REQUIRED ENGINE GROUNDING STUD REPLACEMENT |
| SEAWATER HOSE / POWER STEERING LINE INTERFERENCE |
| EFI GASOLINE RECOMMENDATION CHANGES NUMBER 1 and 2 |
| Universal-Joint & Gimbal Bearing Grease |
| WIRING MODIFICATION Diesel Engines |
| REQUIRED ENGINE FUEL FILTER REPLACEMENT |
| BRAVO THREE TRIM “IN” LIMIT BLOCKS |
| OPERATION AND MAINTENANCE MANUALS FOR BODENSEE EMISSIONS MODELS |
| 1995 Mercruiser Service Bulletins |
|---|
| ALPHA ONE GENERATION II UPPER GEARS |
| OILDYNE TRIM PUMP ADAPTOR CONNECTORS |
| MCM 3.0L, LX Starter Motor Bolt Breakage |
| Hino Diesel - Excessive Black Smoke Emission |
| MerCruiser GM Engine Identification |
| OilDyne Trim Pump Trouble Shooting Chart |
| Reformulated Gasoline (USA) |
| Mercruiser Steering Recommendations |
| Diesel Fuel Filters and Fuel Additives |
| MerCruiser MCM D7.3L/270 Diesel Stern Drive Replacement |
| Ignition Advance Curves and Point Setting |
| Engine Compartment Temperature |
| Alpha One Generation II Over Heat |
| Cooling Systems Maintenance |
| MerCruiser MCM D7.3L Diesel Overheat |
| Low Sulfur Diesel Fuels |
| Engine Noise or Noisy Lifters |
| Hino Diesel-Excessive Black Smoke |
| Turbo Charger Waste-Gate |
| Bearing Cup Installation In The Bravo One Bearing Carrier |
| Shrink Wrapping Boats |
| Velvet Drive Distributors |
| Hurth Marine Gear Distributors |
| 1996 Mercruiser Service Bulletins |
|---|
| Bravo Transom Assemblies for the 1996-1/2 Model Year |
| Water In Fuel Module (WIF) Warning Light |
| Serpentine Belt Adjustment |
| Quicksilver Digital Diagnostic Terminal (DDT) |
| Troubleshooting Shift Problems |
| Modifying MerCruiser Engines To Increase Performance Or Horsepower |
| Modifying MerCruiser’s Exhaust System |
| Brass Power Steering Hose Coupling |
| MerCruiser Scan Tool |
| Piston Ring End Gap |
| Hurth Transmissions |
| Changes To The 1997 Operation And Maintenance Manuals |
| Commander 3000 Remote Control Recall |
| Aftercooler Torque Specifications |
| Required ECM Replacement |
| Hurth V-Drive Output Flange Torque |
| 1997 Mercruiser Service Bulletins |
|---|
| Torquing Intake Manifold on Gen+ Engines |
| MerCruiser MCM/MIE Inline Diesel Heat Exchanger End Cover Torque |
| Required Flame Arrestor Replacement |
| MCI /Alpha One / Alpha One Generation II Gear Case and Bearing Bore Differences |
| Multiple EFI Engine Battery Precautions |
| MerCruiser GM Engine Identification |
| Bravo Drives and Transoms |
| MerCarb 2 bbl Carburetor |
| Weber 4 bbl Carburetor |
| Alternate Gear Ratio Sterndrive Units for High Altitude |
| AC Spark Plug Replacement |
| Battery and Battery Cable Requirements for MerCruiser D-tronic Diesels |
| Service/Repair Of Electrical Test Equipment |
| Engine Specification Model: 1998 MCM 5.0L Alpha and Bravo. |
| Timing 1998 350 Mag MPI and 7.4L MPI Models |
| Engine Specifications Model: 1998 MCM/MIE D-Tronic D4.2L |
| Engine ‘Dieseling’ or ‘Running-On’ |
| 1997 1/2 Shift Changes for Bravo One / Two / Three and BlackHawk |
| Extended Life Coolant (Antifreeze) In Gasoline Engines |
| EFI and MPI Fuel Line Replacement |
| Required ECM Replacement |
| Engine Oil Level - D2.8L D-Tronic |
| MerCruiser Gasoline Engine Oil Recommendation |
| Heat Transfer Compound Fuel Pressure Gauge Kit |
| Gasoline Engine Compression Test |
| 1998 Mercruiser Service Bulletins |
|---|
| MCM 3.0L Flame Arrestor Decal |
| Operating a Bravo One Performance Drive with Low Water Inlets in shal-low water |
| Regulator Piston for Velvet Drive Transmissions |
| Electric Fuel Pump Check Valve Sticking |
| USA Gasoline Additive Causing Fuel System Component Problems |
| 7.4L (L29) Exhaust Valve Inspection |
| MerCruiser Lower Unit Shift Shaft Tool |
| New One Piece Oil Seal Carrier for Alpha One Generation II |
| Installation Issues With MCM D7.3L D-Tronics |
| Injection Pump Timing Specifications |
| Required MIE 7.4L MPI (L29) ECM Replacement |
| Gimbal Housing Oil Reservoir Bulkhead Fitting -Material Change |
| Required #1 Injector Replacement |
| 3.0L Engines with Blown Head Gasket |
| Shift Cable Measurements For Transmissions |
| Modification of Tool Kit 91-806563A1 for D-Tronic Diesels |
| Second Station Start/Stop Kit Instruction Sheets |
| 1999 Mercruiser Service Bulletins |
|---|
| Delco Starter Motors |
| V6 and V8 305/350 cid Engines with MEFI-3 |
| MEFI-3 Diagnostic Trouble Codes and Audio Warning System |
| Sensor Failures in MEFI-3 Mercury Distributors Used on V6 and V8 305/350 cid Engines |
| Proper Oil Fill Level On Velvet Drive Transmissions |
| Proper Shift Set-up For The Commander 3000 Classic Control When Used With Alpha One Product |
| Gasoline Engine Vapor Locking |
| EFI / MPI Fuel Pumps With Low Pressure |
| New Flushing Procedure for Alpha and Bravo Engines When Using a Flush Attachment on the Sterndrive |
| Exhaust Manifolds, Risers and Exhaust Elbows |
| MCM 3.0L Flame Arrestor Decal |
| Water Drain Plugs Installed |
| Delco Starter Motors |
| 2000 Mercruiser Service Bulletins |
|---|
| -Alpha One Delayed Shift |
| Bravo Three / BlackHawk Lower Unit Oil Seal Installation Tool Modification |
| Serpentine Belt Power Steering Pulleys |
| -Stainless Steel Electric Fuel Pumps |
| Commander 3000 Classic Remote Control Decal |