Yamaha F300UCB2 Outboard Motor – Specification
| Feature | Description |
|---|---|
| Model | Yamaha F300UCB2 |
| Engine Type | 4-Stroke, DOHC, 16-Valve, In-Line 4-Cylinder |
| Displacement | 3767 cc |
| Maximum Power Output | 300 HP @ 5500–6000 RPM |
| Fuel Induction | Electronic Fuel Injection (EFI) |
| Starting System | Electric Start |
| Control Type | Mechanical Remote Control |
| Shaft Length | 25 inches (Extra Long Shaft) |
| Steering | Remote Mechanical or Hydraulic Steering Compatible |
| Gear Shift | F-N-R (Forward – Neutral – Reverse) |
| Rotation | Counter Rotation (Left-hand) |
| Exhaust | Through Propeller Hub |
| Cooling System | Water-cooled with thermostat |
| Alternator Output | 70 Amps |
| Fuel Type | Unleaded Gasoline (Minimum 87 Octane) |
| Dry Weight | Approximately 253 kg |
| Recommended Use | Ideal for twin-engine setups requiring counter rotation on offshore boats |
| Warranty | 3-Year Limited Manufacturer Warranty (Non-Commercial Use) |
| Certifications | EPA, CARB 3-Star, CE Certified |












Romy Fisher (verified owner) –
Reliable backup motor from IDMTB. Starts first pull, every time. Highly dependable.
Elias Tanner (verified owner) –
Simple online registration link provided. IDMTB makes warranty activation easy.
Eden Torres (verified owner) –
IDMTB’s staff is highly competent and very responsive. Truly professional help desk.
Micah Peterson (verified owner) –
Hassle-free warranty process. IDMTB is committed to long-term satisfaction.
Sterling Hunt (verified owner) –
Fast, reliable, and friendly—that’s the IDMTB experience. Always a pleasure.
Birdie Saunders (verified owner) –
I bought with confidence. IDMTB’s reputation for genuine engines is earned.