Tohatsu BFT250DURA 250HP Outboard – 20in Shaft, iST, V6
Steering stays direct, Tohatsu BFT250DURA brings 250 horsepower. The 20-inch shaft works with iST drive-by-wire throttle. Well matched to center consoles and cruisers. Owners choose it for steady output without excess weight.
- Rated at 250 horsepower
- Shaft length 20 inches
- iST drive-by-wire throttle control
- V6 engine, proven configuration
- Straightforward to service and maintain
Description
Tournament bass anglers demanding blistering acceleration trust the iST-equipped Tohatsu BFT250DURA to dominate the competition. The 3.6-liter V6 block utilizes Intelligent Shift and Throttle to vaporize lag, launching high-performance fiberglass hulls onto plane instantly. Measuring your exact transom height ensures this 250hp 20 inch shaft outboard fits securely without causing excessive lower unit drag.
Maximize your top-end speed on tournament day by leveraging the aggressive VTEC valve timing as a direct mechanical advantage. You shift camshaft profiles automatically at high RPM to shave seconds off your transit time. Engineers cast the 282 kg midsection using impact-deflecting marine aluminum. This thick-wall metal prevents catastrophic structural fatigue when repowering performance bay boats for shallow water operation.
Key Features of Tohatsu BFT250DURA
- iST Digital Controls: Replaces binding mechanical cables with precise electronic signals, allowing effortless single-finger shifting and throttle response from the binnacle.
- 20-Inch Standard Shaft: Matches standard high-performance transoms perfectly, keeping the gearcase profile tight to maximize top-end running speeds.
- VTEC Performance System: Adjusts valve lift and duration at high RPM mechanically, providing a massive burst of acceleration for tournament boats.
- 3.6-Liter V6 Block: Delivers brutal low-end torque from a massive 3583cc displacement, lifting heavy fiberglass hulls onto plane instantly.
- Programmed EFI (PGM-FI): Meters gas perfectly into the cylinders, delivering crisp throttle response and maximizing fuel efficiency across the 5300-6300 RPM range.
- 90-Amp Charging Alternator: Delivers massive dedicated charging amps to your battery bank, keeping premium gyro-stabilizers and large chartplotter arrays fully powered.
- Hydraulic Power Trim: Lifts the bow out of the water cleanly, drastically reducing hull friction during high-speed tournament fishing runs.
- 2.00:1 Gear Ratio: Multiplies engine torque effectively, spinning aggressive high-pitch propellers efficiently to maximize forward momentum.
- Corrosion-Resistant Castings: Blocks severe galvanic decay physically, protecting the lower unit across decades of daily saltwater exposure.
- Clean Four-Stroke Combustion: Eliminates messy two-stroke oil reservoirs, keeping your bilge completely clean while meeting strict clean water standards.
Why Choose Tohatsu BFT250DURA
Choosing this specific engine limits installation entirely to 20-inch tall transoms rigged with iST digital forward steering systems. You cannot operate this via standard mechanical cables. Correcting your rigging geometry is a mandatory step when replacing older mechanical outboards.
- Measure the vertical distance from your top transom edge to the keel bottom.
- Link the iST digital control network to your master binnacle to synchronize shift commands perfectly.
- Keep coastal waters clean by running highly regulated four-stroke engine configurations.
Ideal Application and Vessel Fitment
This standard 20-inch digital-steer V6 outboard excels on high-performance bass boats, agile sport cruisers, and premium aluminum runabouts that demand explosive hole shots. The aggressive 3.6-liter displacement lifts heavy tournament hulls onto plane instantly, thriving in competitive coastal environments and shallow flats. When repowering performance bay boats, this specific configuration keeps the center of gravity low and the gearcase profile tight, minimizing hydrodynamic drag to achieve maximum top-end speeds.
Warranty, Support and Maintenance
Authorized recreational operation receives a 5-Year Limited Warranty alongside exceptional factory support. Registered commercial applications fall under a strict 1-Year Limited 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. For product details and order support, Mulmotor offers assistance before your purchase is placed.
Tohatsu BFT250DURA Specs
| Brand | Tohatsu (Honda Powered) |
| Full Model Code | BFT250DURA (iST) |
| Country of Origin | Japan |
| Engine Family/Series | BFT V6 iST Series |
| Engine Type | 60-degree V6, 24-Valve SOHC (VTEC) |
| Displacement | 3.6 Liters (3583 cc) |
| Horsepower | 250 HP (184 kW) |
| Full Throttle RPM Range | 5300 - 6300 RPM |
| Fuel Induction System | PGM-FI with iST (Digital Controls) |
| Alternator Output | 90 Amps |
| Gear Ratio | 2.00:1 |
| Shaft Length | L: 508 mm (20 in) |
| Dry Weight | 282 kg (622 lbs) |
| Starting & Steering System | Electric Start & iST (Intelligent Shift & Throttle) |
| Trim/Tilt Method | Power Trim and Tilt |
| Oil Capacity | 7.8 Liters |
| Standard Warranty | 5-Year Limited Warranty |
| Application | Tournament Bass Boats, High-Performance Fiberglass Hulls |












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