MERCURY MERCRUISER STERNDRIVE R MR ALPHA 1 ALPHA 1 SS # 6 SERVICE REPAIR MANUAL



Models Covered in This Manual
Transom Assemblies
Model-----------------------------------------------------------------------Serial Number
MC 120R/140B/185R/488R/898R/228R/260R .............................6216687 – 6849289
MC 120MR/140MR/170MR/185MR/190MR/200MR/
230MR/260MR/300 Tempest MR..................................................6849290 – 0A471374
MC Alpha One/Alpha One SS ......................................................0A471375 and Above


Sterndrive Units
MC 120R-260R
Original Ratio-------Ratio If Serviced With 13:21 Gears------------Serial Number
1.98:1 ..................................1.94:1 .....................................................6237861-6854392
1.84:1................................. 1.81:1 ....................................................6225577-6862701
1.65:1 .................................1.62:1 .....................................................6268065-6810537
1.50:1 ..................................1.47:1 ......................................................6229158-6847029
1.32:1 ...................................1.29:1 ....................................................6231571-6663947


MC 120 MR - 300 TEMPEST MR
Original Ratio------Ratio If Serviced With 13:28 Gears--------- Serial Number
1.98:1 ...............................1.94:1 ....................................................6854393-0A476746
1.84:1 ..............................1.81:1.................................................... 6862702-0A470164
1.65:1 ..............................1.62:1.................................................... 6810538-0A475786
1.50:1 .............................1.47:1...................................................... 6847030-0A479506


MC ALPHA ONE / ALPHA ONE SS
Original ------Ratio If Serviced --- R.H. Serial Number---L.H. Serial Number
Ratio With 13:28 Gears

1.98:1............1.98:1...................0A476747 and Above................0C881740 and Above
1.84:1 ...........1.84:1 ...................0A470165 and Above ..............0C884040 and Above
1.65:1 ...........1.65:1 ...................0A475787 and Above.............. 0C881790 and Above
1.50:1 ...........1.50:1 ..................0A479507 and Above ..............0C852908 and Above
1.32:1 ...........1.32:1 ...................0A613927 and Above
Alpha One SS
1.50:1/1.32:1....1.50/1.32:1 .......0A545004 and Above


Sea Ray Sterndrive Units and Transom Assembly (Oyster White)
Original Ratio--------Ratio If Serviced With---------- Serial Number
13:21 Gears
1.98:1..................................................................... 0B803866-0C348031
1.84:1 .....................................................................0B800854-0C343526
1.50:1 ......................................................................0B796473-0C340666
1.32:1 ......................................................................0B804807-0C340030
Transom Assembly................................................ 0B815811-0C340333


CONTENTS:
GENERAL INFORMATION
MAINTENANCE
TROUBLESHOOTING
REMOVAL & INSTALLATION
ADJUSTMENTS
DRIVESHAFT HOUSING
GEAR HOUSING
TRANSOM ASSEMBLY
TRANSOM DISASSEMBLY
POWER TRIM
TRIM CYLINDERS
DUAL POWER TRIM CONTROL
AUTO TRIM II
POWER STEERING
MANUAL STEERING
CORROSION PROTECTION


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# ALL WINDOWS VERSION
# ALL MAC VERSION

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THIS MANUAL PRESENTED FOR YOU IN ELECTRONIC FORMAT YOU CAN JUST PRINT OUT THE PAGE YOU NEED THEN DISPOSE OF IT WHEN YOU HAVE COMPLETED YOUR TASK. THIS MANUAL HAS DETAILED ILLUSTRATIONS AS WELL AS STEP BY STEP WRITTEN INSTRUCTIONS WITH THE NECESSARY DIAGRAMS OR PICTURES. THESE MANUALS ARE YOUR NUMBER ONE SOURCE FOR REPAIR AND SERVICE INFORMATION & SPECIFICALLY WRITTEN FOR THE DO-IT-YOURSELF AS WELL AS THE EXPERIENCED MECHANICS WORLDWIDE USED TO USE THIS FACTORY MANUAL TO FIX YOUR VEHICLE. USING THIS REPAIR MANUAL IS AN INEXPENSIVE WAY TO KEEP YOUR MACHINE WORKING PROPERLY. IT IS THIS LEVEL OF DETAIL, ALONG WITH ILLUSTRATED, THAT GUIDE THE READER THROUGH EACH SERVICE, REPAIR & MAINTENANCE PROCEDURE.


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