Yamaha LF300ECB2 300HP Outboard – 25in Shaft, Counter Rotation, V6
No extra bulk, Yamaha LF300ECB2 holds 300 horsepower in reserve. Built for twin installs, it counters prop torque on the opposite side. White finish stands up to marine use.
- Rated at 300 horsepower
- Fits 25-inch transom height
- Counter-rotating gears for twin engines
- V6 engine, proven configuration
- Clean White marine-grade finish
Description
Twin-engine docking becomes routine when the white Yamaha LF300ECB2 neutralizes aggressive starboard steering torque instantly. The 4.2-liter V6 block channels digital throttle data into explosive acceleration, pushing heavy fiberglass yacht tenders across wide bays safely with single-finger precision. Measuring your exact mounting height guarantees this white digital counter rotating outboard fits securely without causing excessive lower unit hydrodynamic drag.
Prevent severe cosmetic sun fading over decades of exposure by leveraging the exclusive Pearlescent White marine paint finish. You reflect intense ultraviolet sunlight physically while maintaining absolute digital control from your forward helm station. Yamaha engineers cast the 255 kg midsection using specialized anti-corrosion marine alloys, stopping galvanic blistering completely when repowering luxury fiberglass skiffs in high-salinity environments.
Key Features of Yamaha LF300ECB2
- Pearlescent White Finish: Reflects intense ultraviolet sunlight physically, preventing cosmetic fading and matching luxury fiberglass hull finishes perfectly.
- Counter-Rotating Gearcase: Cancels the massive lateral thrust of a starboard engine, keeping twin-engine performance hulls tracking perfectly straight underway.
- Digital Electronic Control: Translates hand movements into instant electronic commands, eliminating mechanical cable slop during precise marina maneuvering.
- 4.2-Liter DOHC Block: Breathes massive volumes of clean air efficiently, generating 300 horsepower effortlessly to lift heavy fiberglass hulls onto plane.
- 25-Inch Extra-Long Shaft: Fits elevated high-performance transoms perfectly, keeping the gearcase profile tight to maximize top-end running speeds.
- 50-70 Amp Charging Alternator: Outputs massive charging power, keeping demanding radar systems and heavy-duty livewell pumps fully powered offshore.
- 1.75:1 High-Speed Gearcase: Spins aggressive high-pitch propellers efficiently, translating massive big block torque directly into forward vessel momentum.
- Hydraulic Power Trim: Adjusts the running angle actively via the binnacle switch, optimizing bow attitude across aggressive offshore swells.
- Anti-Corrosion Castings: Blocks severe galvanic decay physically, protecting the aluminum powerhead block across decades of daily saltwater exposure.
- Clean Four-Stroke Combustion: Burns fuel highly efficiently without oil mixing, easily meeting strict local waterway emissions regulations and EPA standards.
Why Choose Yamaha LF300ECB2
This advanced white-finished 25-inch block acts strictly as the port-side companion in a digital twin-engine application demanding pristine aesthetics. Substituting a mechanical control model sacrifices electronic shifting entirely. Sourcing a white counter rotating yamaha outboard is mandatory for premium coastal rigs.
- Measure your twin-engine transom bracket to confirm a strict 25-inch shaft requirement.
- Link the DEC module to your master binnacle to synchronize shift commands perfectly.
- Navigate restricted coastal fisheries legally utilizing advanced four-stroke combustion.
Ideal Application and Vessel Fitment
This 25-inch white counter-rotating outboard is engineered strictly for modern deep-V center consoles, high-end fiberglass skiffs, and twin-engine yacht tenders demanding aesthetic perfection. Operating as a highly reliable digital port-side drive compatible with DEC shifting, it neutralizes propeller walk instantly, keeping twin-engine performance hulls tracking perfectly straight at high cruising speeds. It thrives in competitive coastal environments where balancing massive thrust requires precise fly-by-wire synchronization alongside beautiful hull-matching aesthetics.
Warranty, Support and Maintenance
Authorized recreational operation receives a 3-Year Pleasure Warranty alongside exceptional factory support. Registered commercial applications fall under a strict 1-Year Commercial Warranty with zero corrosion coverage applied to the block. Scheduled maintenance requires replacing gearcase lubricants and changing oil filters at manual-specified intervals. Always save all physical service records. Your engine serial number acts as the only way to source exact genuine replacement parts. Mulmotor provides product-information support before purchase and assistance with order-related questions.
Yamaha LF300ECB2 Specs
| Brand | Yamaha |
| Full Model Code | LF300ECB2 (White Counter) |
| Country of Origin | Japan |
| Engine Family/Series | V6 Offshore DEC Digital |
| Engine Type | V6 (60°), 4-Stroke |
| Displacement | 4.2L |
| Horsepower | 300 HP |
| Full Throttle RPM Range | 5000-6000 |
| Fuel Induction System | EFI |
| Alternator Output | 50-70 Amps |
| Gear Ratio | 1.75:1 |
| Shaft Length | X: 25in |
| Dry Weight | 255 kg |
| Bore x Stroke | 96.0x96.0mm |
| Starting & Steering System | Electric / DEC Digital Control (Left Rotation) |
| Trim/Tilt Method | Power Trim & Tilt |
| Oil Capacity | 6.3L |
| Recommended Fuel | 89 Octane |
| Standard Warranty | 3-Year |
| Application | Port-side engine for white twin-engine offshore setups (25in transom). |












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