Yamaha 1995-96 5 HP Outboard Specs & Maintenance
Looking to keep your 1995-1996 5 HP 2-stroke outboard running strong? This reliable single-cylinder, 103cc (6.3 cu. in.) engine is a favorite for light skiffs and tenders. Whether you’re troubleshooting ignition issues or performing seasonal service, our comprehensive database provides the precise factory specifications, spark plug gap data, and technical guidance DIY marine mechanics need to maintain peak performance and reliability on the water.
Complete Technical Specifications
| Specification | Details |
|---|---|
| Model / Horsepower | 5 |
| Year Range | 1995-96 |
| Engine Type | CL 2-stroke |
| Cylinders | 1 |
| Displacement | 6.3 cu-in (103 cc) |
| Bore x Stroke | 2.13 x 1.77 in (54 x 45 mm) |
| Compression Ratio | 6.5:1 |
| Full Throttle RPM | 4500-5500 |
| Idle Speed (Neutral) RPM | 1100-1200 |
| Idle Speed (Trolling) RPM | 950-1050 |
| Spark Plug (NGK) | B7HS |
| Spark Plug (Champion) | L82C |
| Spark Plug Gap | 0.024-0.028 in (0.6-0.7 mm) |
| Ignition System | CDI |
| Ignition Timing (Idle) | 3-9 |
| Ignition Timing (Carb Pickup) | — |
| Ignition Timing (Full Advance) | 25-31 |
| Fuel System | Carb |
| Starting System | Manual |
| Oil Injection System | Pre-Mix 100:1 |
| Injection Oil Ratio | Pre-Mix 100:1 |
| Gear Oil Capacity (mL/cc) | 105 |
| Gear Oil Capacity (Oz) | 3.6 |
| Approximate Weight | 42-47 lbs (19-22 kg) |
| Battery CCA / Reserve | n/a |
| Battery Reserve | n/a |
| Tach Pole Setting | 4 |
| Test Propeller Part Number | YB-1630 |
| Test Propeller New Engine RPM | 4500-5500 |
Maintenance Summary
Keep this 5 HP 2-stroke purring with proper ignition care. Install an NGK B7HS spark plug gapped precisely to 0.024–0.028 inches (0.6–0.7 mm). Always use fresh, pre-mixed fuel and inspect the water pump impeller annually to prevent overheating.
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Notice: Specifications, fuel ratios, and maintenance guidelines listed on VintageMotorSpecs.com are compiled for historical reference and educational purposes only.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.
Spot an error or discrepancy in these specs? Please contact us with your engine details so we can update our database.
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