Suzuki DT115/DT140 Outboard Motor Service Manual
Repair and service procedures for Suzuki DT115 and DT140 outboard motors. Includes detailed specifications, diagrams, and troubleshooting. Part number: C4256-90954
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Models Covered & Key Technical Specifications
Suzuki DT115/DT140 Outboard Motor Service Manual — Comprehensive Maintenance, Diagnostics & Repair Procedures
Suzuki DT115 / DT140 (32102-94500) — 1983-1985 Suzuki DT115/DT140 2-Stroke Outboards. Established Specification Data: 115 hp (84.6 kW) is the maximum power output for the DT115 model. Reference Fluid Levels: 1100 ml of gear oil is required for the lower unit lubrication. Essential Operating Range: 5000-5500 rpm defines the optimal operating range for the engine. Baseline Ignition Timing: 6° ATDC at 900 rpm is the specified retard position. Integral Cooling System: Displacement type water pump with thermostat for precise temperature control. Specific Component Data: Standard spark plug gap of 0.8-0.9 mm (0.031-0.035 in).
Professional Workshop Service Manual & Technical Specifications
Consolidated Repair Overhaul Manual: Suzuki DT115/DT140 Outboard Motor Service Manual - Comprehensive Maintenance, Diagnostics & Repair Procedures Wiring-Compendium
Service-Level: Suzuki DT115 / DT140 (32102-94500) // Specification-Class: Outboard Motor / 2-Stroke Logic // Service-Level: Genuine Factory Workshop Manual
| Assessment-Element | Parameters | Calibration-Spec |
|---|---|---|
| Engine Type | 4-Cylinder, 2-Stroke | - |
| Displacement | 1773 cc (108.20 cu. in.) | - |
| Bore x Stroke | 84 mm x 80 mm | - |
| Compression Ratio | 5.8:1 - 6.6:1 | - |
Reference chapters include Engine Removal and Disassembly, Engine Services, Engine Reassembly, Cooling System, Fuel System, Gear Case, and Electrical System diagnostics.
Properly requiring maintenance, this manual outlines the procedures for the engine, fuel, cooling, lubrication, and electrical systems. It also covers the power trim and tilt system, gear case, and troubleshooting.
This manual documents torque specifications for critical engine components to ensure proper cyclic stress resistance.
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