Suzuki DT2 Outboard Motor Service Manual
Complete repair and service data for the Suzuki DT2 outboard motor. Includes detailed diagrams, specifications, and troubleshooting for all major components.
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Suzuki Models Covered & Key Technical Specifications
Models: Suzuki DT2, DT3.5, DT4, DT5, DT6, DT8, DT9.9, DT15, DT15C
Sub-models / Variants: Short Shaft, Long Shaft, Electric Start, Manual Start, CDI Ignition, Breaker Point Ignition
Trade Names: Suzuki DT Series
Build Years: 1977–1988
Serial Numbers: DT2 (1977-1981), DT9.9/DT15 (1983-1987), DT15C (1988)
Technical Data:
- Engine Configuration: 2-cylinder (DT5, DT6, DT8, DT9.9, DT15, DT15C), 1-cylinder (DT2, DT3.5, DT4)
- Fuel System: Mikuni sliding valve float type carburetor, diaphragm fuel pump
- Fuel:Oil Ratio: 30:1 (break-in), 50:1 to 100:1 (normal service)
- Flywheel Nut Torque: 40–90 N·m (depending on model)
- Crankshaft Runout (Max): 0.03 mm – 0.05 mm
- Cylinder Head Torque: 8–26 N·m
- Spark Plug Electrode Gap: 0.5–1.0 mm
- Lower Unit Gear Oil: SAE 90 Hypoid
- Cooling System: Water-cooled, rubber impeller-type pump
Suzuki Manual Features & Content Preview
Suzuki DT Series Outboard Motor Service Documentation
- Covers 1977–1988 Suzuki DT2, DT3.5, DT4, DT5, DT6, DT8, DT9.9, DT15, and DT15C outboard motor variants
- Original OEM publication, Form No. Suzuki-2-15HP-outboard-motors
- Contains 36 exploded-view assembly diagrams and 8 technical specification tables
- File delivered as a direct download the moment payment clears
- Indexed PDF search covers every chapter and appendix
- Accessible from your device as soon as the order is placed
- Suitable for printing individual sections for shop-floor use
- This 30-page reference includes the condensed data tables required for tuning and overhauling the DT-series power heads and gearcases
Technical Scope and Data
This manual documents power head removal, ignition timing, and lower unit maintenance for the Suzuki DT2 through DT15C. It details carburetor adjustment, reed valve inspection, and oil injection systems for late-model units. The text provides necessary reference for dismantling and reassembling components, ensuring correct synchronization of throttle and spark advance mechanisms.
Specifications and Reference Values
Engine identification and maintenance specifications are provided for all included Suzuki DT series motors. Flywheel nut torque values are documented at 40-50 N·m for the DT2 and up to 80-90 N·m for the DT9.9/DT15 range. Cylinder head bolt torque is specified at 8-12 N·m for smaller models, reaching 20-26 N·m for the DT15C. Piston-to-cylinder clearance for the DT15C is documented at 0.042-0.062 mm. Fuel pump servicing includes requirements for diaphragm renewal based on pressure pulsation data. Reference only — always consult a certified technician before performing service on this equipment.
An official 30-page Suzuki OEM service manual covering the 1977–1988 DT2 through DT15C outboard motors, documenting engine, ignition, cooling, and lower unit technical specifications for the entire two-stroke production range.
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