Mercury Marine MerCruiser Service Manual #6 Sterndrive Units R/MR/Alpha One/Alpha One SS

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This Workshop Service Repair manual PDF download for the R/MR/Alpha One/Alpha One SS Sterndrive Units Mercury Marine MerCruiser has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.


APPLICABLE MODELS :

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 1.50:1/1.32:1 - 1.50/1.32:1 - 0A545004 and Above - -


TABLE OF CONTENTS :

Section 1 - Important Information
Section 2 - Removal, Installation and Adjustments
Section 3 - Sterndrive Unit
Section 4 - Transom Assembly
Section 5 - Power Trim
Section 6 - Steering Systems
Section 7 - Corrosion Protection


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 90-12934--2 1097
Total Pages : 566


All Official Mercury Marine Manuals for MerCruiser Sterndrives and Inboards include easy to follow, step-by-step illustrated procedures based on the complete dismantling, repair, and assembling of boat motors, from the simplest repair to complex procedures, this manuals give you everything you need to do the job with confidence.

This Service / Repair / Workshop Manual PDF Download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

Instant Download means there is NO shipping costs or waiting for a CD or paper manual to arrive in the mail!, You will receive this manual TODAY via Instant Download on completion of payment via our secure payment processor. We accept ALL major credit/debit cards/paypal.

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90-12934
Models Covered in This 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
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
All Models

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