Yamaha 1996 45 HP Outboard Specs & Maintenance
The 1996 45 HP 4-stroke outboard is a true workhorse, famed for bringing smooth, quiet four-cylinder performance to mid-sized fishing boats and cruisers. Packing a 58 cu in (935 cc) displacement, this reliable marine engine delivers impressive low-end torque and exceptional fuel efficiency. Whether you’re restoring a classic setup or keeping your daily runner in peak condition, our comprehensive database provides the vital specs, service advice, and technical data you need to tackle any DIY repair with confidence.
Complete Technical Specifications
| Specification | Details |
|---|---|
| Model / Horsepower | 45 |
| Year Range | 1996 |
| Engine Type | 4-stroke |
| Cylinders | 4 |
| Displacement | 58 cu-in (935 cc) |
| Bore x Stroke | 2.48 x 2.95 in (63 x 75 mm) |
| Compression Ratio | 9.3:1 |
| Full Throttle RPM | 5000-6000 |
| Idle Speed (Neutral) RPM | 900-1000 |
| Idle Speed (Trolling) RPM | — |
| Spark Plug (NGK) | DPR6EA-9 |
| Spark Plug (Champion) | RA8HC |
| Spark Plug Gap | 0.031-0.035 in (0.8-0.9 mm) |
| Ignition System | CDI |
| Ignition Timing (Idle) | 2-8 |
| Ignition Timing (Carb Pickup) | — |
| Ignition Timing (Full Advance) | 22-28 |
| Fuel System | Carb |
| Starting System | Electric |
| Oil Injection System | n/a |
| Injection Oil Ratio | n/a |
| Gear Oil Capacity (mL/cc) | 430 (2200) |
| Gear Oil Capacity (Oz) | 15 (77) |
| Approximate Weight | 230-248 lbs (104-112 kg) |
| Battery CCA / Reserve | 380 (70) |
| Battery Reserve | 124 minutes |
| Tach Pole Setting | 12 |
| Test Propeller Part Number | YB-1611 |
| Test Propeller New Engine RPM | 5250-5450 |
Maintenance Summary
Keep your 935 cc four-stroke running smoothly with routine maintenance. Regularly inspect the four NGK DPR6EA-9 spark plugs, ensuring a precise gap of 0.031–0.035 inches (0.8–0.9 mm). Combine regular plug checks with fresh marine oil and lower unit gear lube changes to guarantee easy starts and bulletproof reliability all season long.
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Notice: Specifications, fuel ratios, and maintenance guidelines listed on VintageMotorSpecs.com are compiled for historical reference and educational purposes only.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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