2004 Yamaha Marine 160 Outboard Motor 6V, 8V Service Manual
Documents Yamaha Marine 160 outboard motor 6V, 8V service procedures. This manual, LIT-18616-01-64, details maintenance, troubleshooting, and repair for your engine.
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Yamaha Models Covered & Key Technical Specifications
Models: 6CM, 6CEM, 8CM, 8CEM
Sub-models / Variants: 6MH, 8MH
Build Years: 2004
Serial Numbers: 6CM/6MH (S: 003802–, L: 303150–), 6CEM (S: 100101–, L: 400101–), 8CM/8MH (S: 008601–, L: 305566–), 8CEM (UL: 700101–, S: 100101–, L: 100101–)
Technical Data:
- Engine type: 2-stroke, 2-cylinder
- Displacement: 165 cm³ (10.07 cu. in.)
- Bore × Stroke: 50 mm × 42 mm
- Compression ratio: 7.00
- Ignition timing (Full advanced): B.T.D.C. 35° ± 1°
- Spark plug gap: 0.9–1.0 mm (0.035–0.039 in)
- Gear oil capacity: 160 cm³ (5.41 US oz)
- Fuel octane rating: Min. 86 P.O.N.
- Idle speed: 900 ± 50 rpm
Yamaha Manual Features & Content Preview
Technical Scope for 2004 Yamaha Marine 160 6V/8V Outboards
- Covers 2004 Yamaha Marine 160, 6V, and 8V outboard motor variants, including the 6CM, 6CEM, 8CM, 8CEM, 6MH, and 8MH models.
- Official Yamaha publication P/N LIT-18616-01-64, July 1996 first edition.
- Contains 47 exploded-view diagrams and 15 torque-specification tables for engine and lower unit assemblies.
- Accessible from your device as soon as the order is placed.
- OCR text layer lets you jump to a torque spec by keyword.
- This original publication provides the technical data and system specifications used for the 2004 6V/8V series build.
Engine and Fuel System Documentation
The 2004 Yamaha Marine 160 service manual documents the technical requirements for the 165cc 2-stroke powerhead, covering everything from piston-to-cylinder clearance specifications to flywheel magneto assembly settings. Detailed chapters outline the structural breakdown of the fuel system, including carburetor float adjustment, pilot screw settings, and fuel pump diaphragm component identification for the 6V and 8V engine series.
Lower Unit and Electrical References
Specifications for the lower unit feature critical data on gear backlash measurement and pinion shim selection, including maintenance tolerances for the shift shaft and water pump housing. Electrical system documentation provides stator coil resistance reference values, ignition timing requirements, and fuse ratings for the 6CEM and 8CEM electric-start configurations. This how factory workshop documentation is structured guide provides essential reference data for technicians. Cylinder head bolt torque is specified at 8 Nm for the final stage. The crankcase bolt torque is listed at 11 Nm in the assembly data. Gear oil capacity for these 2-stroke outboards is documented at 160 cm³. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 100-page Yamaha OEM service publication covering the 2004 Yamaha Marine 160, documenting engine, chassis, electrical, and fuel-system specifications for the 6V/8V series outboard motor.
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