Yamaha 300HP LF300XCB DEC Counter Rotation Outboard – 25″ Shaft
With 300 horsepower, DEC controls, counter-rotation, and a 25-inch shaft, the Yamaha LF300XCB supports compatible twin-engine boats. Electronic operation enables precise commands, while counter-rotation helps balance thrust and the shaft length supports propeller alignment.
Description
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Yamaha 300HP LF300XCB DEC Counter Rotation Specs
| Brand | Yamaha Marine |
| Full Model Code / Part Number | LF300XCB (Counter Rotation / DEC / 25" Shaft) |
| Country of Origin | Japan / USA |
| Engine Type & Configuration | 4-Stroke V6 (DOHC 24-Valve with VCT) |
| Horsepower Output (HP / kW) | 300 HP (221 kW) |
| Displacement (cc / cu in) | 4169 cc (254 cu in) |
| Bore x Stroke (mm / in) | 96.0 x 96.0 mm (3.78 x 3.78 in) |
| Maximum RPM Range (Full Throttle Operating Range) | 5000 - 6000 RPM |
| Fuel Induction System | Electronic Fuel Injection (EFI) - V6 VST |
| Ignition System | TCI Microcomputer |
| Starting System | Electric Start (Digital Electronic Control) |
| Steering System | Integrated Digital Electronic Steering (DES) / DEC |
| Trim & Tilt System | Power Trim & Tilt |
| Gear Ratio & Shift Mechanism | 1.75:1 (Counter Rotation Forward - Neutral - Reverse) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | XL: 25 inches |
| Alternator / Charging Output (Amps / Watts) | 70 Amp (Maximum) / 840 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 89 Octane Recommended) / Yamalube 4M FC-W 10W-30 |
| Dry Weight (kg / lbs) | 255 kg / 562 lbs |
| Standard Warranty | 3 Years Limited Pleasure Boat Warranty |
Common Question of Yamaha LF300XCB
What does LF300XCB DEC mean?
DEC generally refers to Digital Electronic Control, using electronic commands for compatible throttle and shift functions. This Yamaha LF300XCB is specified as counter rotating with a 25-inch shaft. Confirm controls, harnesses, gauges, battery, steering, fuel system, propeller, and boat compatibility before installing this high performance outboard motor.
Is it counter rotating?
Yes. The LF300XCB designation and supplied title identify a counter-rotation 300-horsepower outboard. Its counter rotating lower unit is intended for compatible paired-engine applications. Confirm propeller specification, engine pairing, DEC controls, steering, wiring, battery, and mounting requirements before installation.
What transom fits its shaft?
A 25-inch transom is the intended match for this LF300XCB configuration. Measure the hull before mounting because incorrect shaft length can affect cooling-water pickup, gearcase clearance, propeller immersion, steering response, and paired-engine balance. Correct measurement supports this ready to bolt marine installation.
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