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

This is a very comprehensive manual (DOWNLOAD in PDF format) for MERCURY MERCRUISER STERNDRIVE R MR ALPHA 1 ALPHA 1 SS # 6, Features detailed exploded views. This is the same manual that technicians use to fix your vehicles. Manual covers detailed and complete step-by-step written procedures with pictures and diagrams, fully printable-selected pages or whole manual, illustrated. So, you will not be disappointed. This is the manual for Repairs, Maintenance & servicing.