1981-1992 Suzuki DT75, DT85, 2-Stroke Outboard Motor Service Manual

Comprehensive service and repair data for the 1981-1992 Suzuki DT75, DT85, 2-Stroke Outboards. Includes troubleshooting, parts diagrams, and maintenance procedures. P/N: 99000-90010

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Document Details

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Document Number / Seller:
31304 / Michael Henry
File Size:
52.22 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Aug 31, 2025

Models Covered & Key Technical Specifications

Suzuki DT75, DT85, 2-Stroke Outboard Motors - Comprehensive Service & Repair Guide (1981-1992) Assembly-Guide Service Manual & Repair Guide | Suzuki Outboard Motor Collection

  • Technical Resolution Data: 85 HP (62.5 kW) represents the maximum power output capability of the engine.
  • Specific Temperature Range: For optimal operation, 40-44°C (104-111°F) defines the thermostat's start-to-open range.
  • Essential Power Rating: 12V 70AH specifies the required battery capacity for reliable starting.
  • Advanced Memory Capacity: The ignition system uses a 12V 80W (optional 12V 200W) rectifier/regulator for charging.
  • Core Speed Performance: Recommended operating range reaches 4800-5500 RPM Parameters.
  • Essential Fuel Specification: Gasoline with an 85-95 Octane number is recommended for fuel mixture.

Professional Workshop Service Manual & Technical Specifications

Suzuki DT75, DT85, 2-Stroke Outboard Motors - Comprehensive Service & Repair Guide (1981-1992) Assembly-Guide

Repair-Classification: Service Manual // Technical-Scope: Complete Coverage / Engine and Systems Logic // Repair-Classification: Maintenance Guide.

Suzuki DT75, DT85, 2-Stroke Outboard Motors - Comprehensive Service & Repair Guide (1981-1992) Assembly-Guide

Performance-Element Parameters Calibration-Spec
Maximum horsepower 85 (62.5) HP N/A
Recommended operating range 4800-5500 RPM N/A
Trolling speed 600-700 RPM N/A
Standard spark plug NGK B8HS N/A
Ignition timing ATDC 7°/1000 rpm BTDC 21.5°/5000 rpm
Fuel 85-95 Octane Gasoline N/A

Organized into dedicated modules for Power Head (Engine Removal, Services, Reassembly), Fuel System (Carburetor, Fuel Pump, Tank), Cooling System (Thermostat), Ignition System (Magneto, CDI), Electrical System (Starting Motor, Wiring), Gear Case (Disassembly, Reassembly, Adjustments), Propeller (Inspection, Selection), Power Trim and Tilt System, Remote Control Box, and Swivel and Steering. This rigorous manual details all systems and procedures. The documentation addresses engine specifications, including bore, stroke, and displacement, alongside component breakdowns for precise identification. Systems covered include lubrication, cooling, fuel, ignition, electrical, starting, gear case, propeller, power trim and tilt, and steering. Maintenance, inspection, and servicing schedules are provided, along with tightening torque specifications for critical fasteners to ensure proper pressure slip prevention.

FAQ

Determine the **specific** torque specifications for critical engine components. keyboard_arrow_down

50.0 - 60.0 N-m for propeller shaft nuts ensures proper installation and prevents loosening.

What **designated** safety precautions are mentioned for engine maintenance? keyboard_arrow_down

Always disconnect the battery cables before starting wiring as per Figure 11-4 to prevent electrical hazards.

Check the **critical** lubrication requirements for the crankshaft bearings. keyboard_arrow_down

Apply SUZUKI CCI oil or BIA-certified lubricant to the crankshaft's lubricated surfaces and fits for optimal performance and longevity.

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Reviews (5)

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Rated 5 out of 5 stars
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The download process was smooth, and I received the link almost immediately. Fantastic service!
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The diagrams and step-by-step guides made maintenance a breeze. I'm very satisfied with my purchase!
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Rated 4 out of 5 stars
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This manual is incredibly detailed and easy to follow. It helped me troubleshoot issues I was having with my DT85. Highly recommend!