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Mercruiser

MerCruiser Stern Drive Units R MR Alpha One Alpha One SS #6 Service Repair Manual-Improved

MerCruiser Stern Drive Units R MR Alpha One Alpha One SS #6 Service Repair Manual-Improved

$16.99
$16.99
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Vehicle data plateRef 298498
Brand
Mercruiser
Vehicle
Tractors
Models covered
2 65, Agriculture, Alpha, Alpha One, Alpha One SS, MR, R, White
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Manufacturer:
MerCruiser
Product Category:
Stern Drive Units and Transom Assemblies
đź“‹ Manual Details
Document Properties
Manual Type:
Service Repair Manual
Language:
English
Page Count:
566
Format:
PDF
Features:
• Bookmarks
• Searchable Text
• Improved Quality
• Indexed
• Table of Contents
Compatibility
Compatible Os:
• Windows
• Mac
Content Sections
Sections Included:
• Important Information (Information, Maintenance, Troubleshooting)
• Removal, Installation and Adjustments (All Models)
• Stern Drive Unit (Drive Shaft Housing, Gear Housing - MR / Alpha One / Alpha One SS, Gear Housing - I-R, Gear Housing - Alpha One Counter Rotation)
• Transom Assembly (Service Procedures Requiring Minor Disassembly, Service Procedures Requiring Major Disassembly)
• Power Trim (Oildyne Power Trim Pump (Plastic Reservoir), Oildyne Power Trim Pump (Aluminum Reservoir), Prestolite Power Trim Pump, Trim Cylinders, Dual Power Trim Control, Auto Trim II)
• Steering Systems (Power Steering, Manual Steering)
• Corrosion Protection (All Models)
🔧 Maintenance
Maintenance Tasks
Covered Maintenance Areas:
• Tune-ups
• Regular Maintenance
• Repairs
đź“„ Specifications
Device Type
Device Type:
Marine Stern Drive and Transom Assembly
Intended Use
Intended Use:
Maintenance and Service
Coverage
Models Covered:
• MerCruiser R
• MerCruiser MR
• MerCruiser Alpha One
• MerCruiser Alpha One SS
• MerCruiser #6 (06)
Transom Assembly Models:
• MC 120R / 140B / 185R / 488R / 898R / 228R / 260R (Serial Numbers 6216687 - 6849289)
• MC 120MR / 140MR / 170MR / 185MR / 190MR / 200MR / 230MR / 260MR / 300 Tempest MR (Serial Numbers 6849290 - 0A471374)
• MC Alpha One / Alpha One SS (Serial Number 0A471375 and Above)
Sterndrive Ratios Mc 120R 260R
Sterndrive Ratios:
• {'model': 'MC 120R-260R', 'original_ratio': '1.98:1', 'ratio_if_serviced_with_13:21': '1.94:1', 'gears_serial_number_range': '6237861-6854392'}
• {'model': 'MC 120R-260R', 'original_ratio': '1.84:1', 'ratio_if_serviced_with_13:21': '1.81:1', 'gears_serial_number_range': '6225577-6862701'}
• {'model': 'MC 120R-260R', 'original_ratio': '1.65:1', 'ratio_if_serviced_with_13:21': '1.62:1', 'gears_serial_number_range': '6268065-6810537'}
• {'model': 'MC 120R-260R', 'original_ratio': '1.50:1', 'ratio_if_serviced_with_13:21': '1.47:1', 'gears_serial_number_range': '6229158-6847029'}
• {'model': 'MC 120R-260R', 'original_ratio': '1.32:1', 'ratio_if_serviced_with_13:21': '1.29:1', 'gears_serial_number_range': '6231571-6663947'}
Sterndrive Ratios Mc 120Mr 300 Tempest Mr
Sterndrive Ratios:
• {'model': 'MC 120 MR - 300 TEMPEST MR', 'original_ratio': '1.98:1', 'ratio_if_serviced_with_13:28': '1.94:1', 'gears_serial_number_range': '6854393-0A476746'}
• {'model': 'MC 120 MR - 300 TEMPEST MR', 'original_ratio': '1.84:1', 'ratio_if_serviced_with_13:28': '1.81:1', 'gears_serial_number_range': '6862702-0A470164'}
• {'model': 'MC 120 MR - 300 TEMPEST MR', 'original_ratio': '1.65:1', 'ratio_if_serviced_with_13:28': '1.62:1', 'gears_serial_number_range': '6810538-0A475786'}
• {'model': 'MC 120 MR - 300 TEMPEST MR', 'original_ratio': '1.50:1', 'ratio_if_serviced_with_13:28': '1.47:1', 'gears_serial_number_range': '6847030-0A479506'}
Sterndrive Ratios Mc Alpha One Alpha One Ss
Sterndrive Ratios:
• {'model': 'MC ALPHA ONE / ALPHA ONE SS', 'original_ratio': '1.98:1', 'ratio_if_serviced_with_13:28': '1.98:1', 'gears_serial_number_rh': '0A476747 and Above', 'gears_serial_number_lh': '0C881740 and Above'}
• {'model': 'MC ALPHA ONE / ALPHA ONE SS', 'original_ratio': '1.84:1', 'ratio_if_serviced_with_13:28': '1.84:1', 'gears_serial_number_rh': '0A470165 and Above', 'gears_serial_number_lh': '0C884040 and Above'}
• {'model': 'MC ALPHA ONE / ALPHA ONE SS', 'original_ratio': '1.65:1', 'ratio_if_serviced_with_13:28': '1.65:1', 'gears_serial_number_rh': '0A475787 and Above', 'gears_serial_number_lh': '0C881790 and Above'}
• {'model': 'MC ALPHA ONE / ALPHA ONE SS', 'original_ratio': '1.50:1', 'ratio_if_serviced_with_13:28': '1.50:1', 'gears_serial_number_rh': '0A479507 and Above', 'gears_serial_number_lh': '0C852908 and Above'}
• {'model': 'MC ALPHA ONE / ALPHA ONE SS', 'original_ratio': '1.32:1', 'ratio_if_serviced_with_13:28': '1.32:1', 'gears_serial_number_rh': '0A613927 and Above', 'gears_serial_number_lh': None}
• {'model': 'Alpha One SS', 'original_ratio': '1.50:1', 'ratio_if_serviced_with_13:28': '1.50:1', 'gears_serial_number_rh': '0A545004 and Above', 'gears_serial_number_lh': None}
• {'model': 'Alpha One SS', 'original_ratio': '1.32:1', 'ratio_if_serviced_with_13:28': '1.32:1', 'gears_serial_number_rh': '0A545004 and Above', 'gears_serial_number_lh': None}
Sea Ray Sterndrive Units Transom Assembly Oyster White
Sea Ray Sterndrive Ratios:
• {'model': 'Sea Ray (Oyster White) Sterndrive', 'original_ratio': '1.98:1', 'ratio_if_serviced_with_13:21': None, 'gears_serial_number_range': '0B803866-0C348031'}
• {'model': 'Sea Ray (Oyster White) Sterndrive', 'original_ratio': '1.84:1', 'ratio_if_serviced_with_13:21': None, 'gears_serial_number_range': '0B800854-0C343526'}
• {'model': 'Sea Ray (Oyster White) Sterndrive', 'original_ratio': '1.50:1', 'ratio_if_serviced_with_13:21': None, 'gears_serial_number_range': '0B796473-0C340666'}
• {'model': 'Sea Ray (Oyster White) Sterndrive', 'original_ratio': '1.32:1', 'ratio_if_serviced_with_13:21': None, 'gears_serial_number_range': '0B804807-0C340030'}
• {'model': 'Sea Ray (Oyster White) Transom Assembly', 'serial_number_range': '0B815811-0C340333'}
Sea Ray Mercruiser Cross Reference
Sea Ray To Mercruiser Cross Reference:
• {'sea_ray_model': '3.0L', 'mercruiser_equivalent': '3.0L Alpha One'}
• {'sea_ray_model': '4.3L2', 'mercruiser_equivalent': '4.3L Alpha One'}
• {'sea_ray_model': '4.3L4', 'mercruiser_equivalent': '4.3LX Alpha One'}
• {'sea_ray_model': '5.7L', 'mercruiser_equivalent': '5.7L Alpha One'}
• {'sea_ray_model': 'SRX 5.7L', 'mercruiser_equivalent': '350 Magnum Alpha One'}
• {'sea_ray_model': 'SRX 7.4L', 'mercruiser_equivalent': '454 Magnum Alpha One'}

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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