Yamaha 1995 75 HP Outboard Specs & Maintenance
Looking to keep your classic 1995 75 HP 2-stroke outboard running at peak performance? Featuring a rugged 3-cylinder inline design with a generous 1140cc (70 cu. in.) displacement, this mid-range powerhouse is a favorite among DIY boat mechanics for its simplicity and punchy hole-shot. Whether you’re troubleshooting ignition issues or performing seasonal tune-ups, our comprehensive database provides the exact specs, parts diagrams, and maintenance guidelines you need to master your marine repairs.
Complete Technical Specifications
| Specification | Details |
|---|---|
| Model / Horsepower | 75 |
| Year Range | 1995 |
| Engine Type | IL 2-stroke |
| Cylinders | 3 |
| Displacement | 70 cu-in (1140 mm) |
| Bore x Stroke | 3.23 x 2.83 in (82 x 72 mm) |
| Compression Ratio | |
| Full Throttle RPM | 4500-5500 |
| Idle Speed (Neutral) RPM | 750-850 |
| Idle Speed (Trolling) RPM | 550-650 |
| Spark Plug (NGK) | B8HS-10 |
| Spark Plug (Champion) | L78C |
| Spark Plug Gap | 0.035-0.039 in (0.9-1.0 mm) |
| Ignition System | |
| Ignition Timing (Idle) | 1-3 |
| Ignition Timing (Carb Pickup) | 1-3 |
| Ignition Timing (Full Advance) | 21-23 |
| Fuel System | Carb |
| Starting System | Manual and/or Elec |
| Oil Injection System | PB or 50:1 PM |
| Injection Oil Ratio | PB or 50:1 PM |
| Gear Oil Capacity (mL/cc) | 610 |
| Gear Oil Capacity (Oz) | 20.6 |
| Approximate Weight | 242-277 lbs (110-126 kg) |
| Battery CCA / Reserve | 380 (70) |
| Battery Reserve | 124 minutes |
| Tach Pole Setting | 12 |
| Test Propeller Part Number | YB-1620 |
| Test Propeller New Engine RPM | 4750-4950 |
Maintenance Summary
Keep your 1995 75 HP 3-cylinder motor reliable with routine service. Ensure clean fuel delivery and inspect the ignition system regularly. For optimal firing, gap your NGK B8HS-10 spark plugs to 0.035–0.039 inches (0.9–1.0 mm) and check gear lube seasonally to prevent costly lower-unit failures.
Disclaimer & Information Notice: Specifications, fuel ratios, and maintenance guidelines listed on VintageMotorSpecs.com are compiled for historical reference and educational purposes only. Always verify data against an official OEM service manual prior to ordering parts or executing repairs. VintageMotorSpecs.com assumes no liability for repair errors, equipment damage, or personal injury resulting from the use of this data.
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