Mercury Mercruiser Marine Engines 6# Stern Drive Units R MR Alpha One Alpha One SS Service Manual

Mercury Mercruiser Marine Engines Number 6 Stern Drive Units R, MR, Alpha One, Alpha One SS Workshop Service Repair Manual Download

This is the Most Practical Service Repair Manual for the Mercury Mercruiser Marine Engines Number 6 Stern Drive Units R, MR, Alpha One, Alpha One SS Workshop Service Repair Manual Download ever compiled by mankind. This DOWNLOAD contains of high quality diagrams and instructions on how to service and repair your Mercury Mercruiser. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!! Instant Download and Bring good luck for you !!!

Models Covers: 


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 - Ratio If Serviced With 13:28 - Gears R.H. Serial Number - L.H. Serial Number 
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 - 1.50/1.32:1 - 0A545004 and Above 
1.50:1/1.32:1 

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

When making repairs to Sea Ray (Oyster White) sterndrives, follow procedures as outlined for corresponding MerCruiser models as shown in the cross-reference chart below. 

Sea Ray - MerCruiser 
3.0L - 3.0L Alpha One 
4.3L2 - 4.3L Alpha One 
4.3L4 - 4.3LX Alpha One 
5.7L - 5.7L Alpha One 
SRX 5.7L - 350 Magnum Alpha One 
SRX 7.4L - 454 Magnum Alpha One 

This Service Manual: 


Section 1 - Important Information 
A - Important Information 
B - Maintenance 
C - Troubleshooting 
Section 2 - Removal, Installation and Adjustments 
A - All Models 
Section 3 - Sterndrive Unit 
A - Drive Shaft Housing 
B - Gear Housing - MR/Alpha One/Alpha One SS 
C - Gear Housing - I-R 
D - Gear Housing - Alpha One Counter Rotation 
Section 4 - Transom Assembly 
A - Service Procedures Requiring Minor Disassembly 
B - Service Procedures Requiring Major Disassembly 
Section 5 - Power Trim 
A - Oildyne Power Trim Pump (Plastic Reservoir) 
B - Oildyne Power Trim Pump (Aluminum Reservoir) 
C - Prestolite Power Trim Pump 
D - Trim Cylinders 
E - Dual Power Trim Control 
F - Auto Trim II 
Section 6 - Steering Systems 
A - Power Steering 
B - Manual Steering 
Section 7 - Corrosion Protection 
A - All Models

This Manual Covers:
General Information 
Removal-Installation Alignment

Electrical System

Fuel System

Engine

Drive systems

Accessories

Specifications

Tools


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File Format: PDF
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