1
B
MAINTENANCE
SERVICE MANUAL NUMBER 23
90-861326--1   MARCH 1999 Page 1B-1
IMPORTANT INFORMATION
Section 1B - Maintenance
Table of Contents
Lubricants / Sealants / Adhesives 1B-2. . . . . . . 
Maintenance Schedules 1B-3. . . . . . . . . . . . . . . . 
Maintenance Intervals 1B-3. . . . . . . . . . . . . . . 
Scheduled Maintenance That Can Be 
Performed By Owner/Operator 1B-3. . . . . . . 
Scheduled Maintenance That Should Be 
Done by Dealer 1B-4. . . . . . . . . . . . . . . . . . . . 
Scheduled Maintenance That Should Be 
Done by Dealer 1B-5. . . . . . . . . . . . . . . . . . . . 
Scheduled Maintenance That Can Be 
Performed By An Owner/Operator 1B-6. . . . 
Scheduled Maintenance That Should Be 
Done by Dealer 1B-6. . . . . . . . . . . . . . . . . . . . 
Tune-Up Specifications 1B-8. . . . . . . . . . . . . . . . 
MCM (Sterndrive) Models 1B-8. . . . . . . . . . . . 
MIE (Inboard) Models 1B-10. . . . . . . . . . . . . . 
Firing Order 1B-11. . . . . . . . . . . . . . . . . . . . . . . . . 
Fluid Capacities 1B-11. . . . . . . . . . . . . . . . . . . . . . 
Engines 1B-11. . . . . . . . . . . . . . . . . . . . . . . . . . 
Transmissions 1B-12. . . . . . . . . . . . . . . . . . . . . 
Sterndrive Units 1B-12. . . . . . . . . . . . . . . . . . . 
20-Hour Break-In Period 1B-12. . . . . . . . . . . . . . 
After Break-in Period 1B-13. . . . . . . . . . . . . . . . . 
End of First Season Checkup 1B-13. . . . . . . . . . 
Specifications 1B-14. . . . . . . . . . . . . . . . . . . . . . . . 
Fuel Recommendations 1B-14. . . . . . . . . . . . 
Test For Alcohol Content In Gasoline 1B-15. 
Power Steering Fluid 1B-15. . . . . . . . . . . . . . . . . 
Transmission Fluid 1B-15. . . . . . . . . . . . . . . . . . . 
Draining Instructions 1B-48. . . . . . . . . . . . . . . 
Recommissioning 1B-64. . . . . . . . . . . . . . . . . . 
Coolant for Closed Cooling System 1B-16. . . . . 
Crankcase Oil 1B-16. . . . . . . . . . . . . . . . . . . . . . . 
Overfilled Crankcase 1B-17. . . . . . . . . . . . . . . 
Checking Engine Oil Level/Filling 1B-17. . . . 
Changing Oil and Filter 1B-18. . . . . . . . . . . . . . . . 
Changing Water Separating Fuel Filter 1B-19. . 
MCM (Sterndrive) Models 1B-19. . . . . . . . . . . 
MIE (Inboard) Models 1B-20. . . . . . . . . . . . . . 
Power Steering System 1B-21. . . . . . . . . . . . . . . 
Checking Fluid Level 1B-21. . . . . . . . . . . . . . . 
Filling and Bleeding 1B-22. . . . . . . . . . . . . . . . 
Closed Cooling System 1B-23. . . . . . . . . . . . . . . 
Checking Coolant Level 1B-23. . . . . . . . . . . . 
Flushing System MCM (Sterndrive) 1B-24. . 
Flushing System MIE (Inboard) - 
Except 454 Mag MPI Horizon 1B-26. . . . . . . 
Flushing System MIE (Inboard) 
454 Mag MPI Horizon 1B-28. . . . . . . . . . . . . . 
Transmission Fluid 1B-32. . . . . . . . . . . . . . . . . . . 
Checking Fluid Level 1B-32. . . . . . . . . . . . . . . 
Lubrication 1B-33. . . . . . . . . . . . . . . . . . . . . . . . . . 
Throttle Cable 1B-33. . . . . . . . . . . . . . . . . . . . . 
Shift Cable 1B-34. . . . . . . . . . . . . . . . . . . . . . . . 
Shift Cable and Transmission Linkage 1B-34. 
Engine Coupler / U-Joint Shaft Splines 1B-35. 
Drive Shaft Extension Models 1B-36. . . . . . . 
Starter Motor 1B-37. . . . . . . . . . . . . . . . . . . . . . 
Cleaning Flame Arrestor 1B-38. . . . . . . . . . . . . . 
Plastic Side Mounted Flame Arrestor 1B-38. 
Plastic Front Mounted Flame Arrestor 1B-39
Metal Side Mounted Flame Arrestor 1B-39. . 
Serpentine Drive Belt 1B-40. . . . . . . . . . . . . . . . . 
Component Location 1B-40. . . . . . . . . . . . . . . 
Inspecting 1B-42. . . . . . . . . . . . . . . . . . . . . . . . 
Replacing and/or Adjusting Tension 1B-42. . 
Ignition Timing 1B-43. . . . . . . . . . . . . . . . . . . . . . . 
Cold Weather or Extended Storage 1B-44. . . . . 
Precautions 1B-44. . . . . . . . . . . . . . . . . . . . . . . 
Power Package Layup 1B-45. . . . . . . . . . . . . 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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