Selva Swordfish EFI 100XS 4-Stroke Outboard Engine Extra Long Shaft

SKU: 199088N-E.ST.XL.PT.
Ships in 2 – 4 Weeks

The Selva Swordfish EFI 100XS Extra Long Shaft delivers exceptional mid-range torque and smooth top-end performance through advanced 4-stroke engineering. Powered by a 2 670 cc 4-cylinder DOHC 16-valve engine with Electronic Fuel Injection (EFI), it provides seamless power, remarkable fuel efficiency, and low vibration even under sustained load. With refined airflow management, variable ignition control, and a precision-balanced drive system, the Swordfish 100 HP redefines what a mid-range outboard can deliver, powerful, quiet, and engineered to endure.

 

This item is available to order with an estimated 2–4 week lead time for delivery.

Sale price£14,719.00
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Product Description

At the heart of the Swordfish 100XS lies Selva’s proven 2 670 cc DOHC 16-valve 4-stroke block, delivering a commanding 100 horsepower (73.6 kW) across a wide 5 000–6 000 rpm range. Its EFI system continuously adjusts fuel delivery for optimum combustion, ensuring instantaneous throttle response, clean acceleration, and exceptional economy. The single throttle body and long tuned plastic intakes maximise airflow efficiency, resulting in stronger mid-range torque and smoother power curves. A precision knock sensor further refines ignition timing, enhancing both performance and engine protection. This integration of electronic control and mechanical precision gives the Swordfish 100 XS effortless pull and quiet confidence at any speed.

The Swordfish 100XS Extra Long Shaft is designed for long-term endurance in demanding marine environments. Its corrosion-resistant aluminium block, reinforced lower unit, and advanced cooling system with pump-forced circulation ensure durability under heavy operation. The Extra Long Shaft (XL) configuration provides deep propeller immersion, making it ideal for larger hulls, sailboats, and deep-transom craft requiring stable thrust and improved directional control. Every surface is treated with Selva’s marine-grade multi-layer anti-corrosion coating, while the DOHC 16-valve configuration enhances mechanical efficiency and reduces wear. The result, an engine built not only for performance but for years of reliable service in saltwater conditions.

Starting is instantaneous and reliable with Selva’s EFI-assisted electronic ignition system. Operation is remarkably quiet, thanks to a perfectly balanced crankshaft, advanced intake silencing, and vibration-dampening mounts. The Swordfish’s Power Trim/Tilt function allows precise adjustment of the engine’s running angle for optimum lift, speed, and fuel efficiency. Maintenance is simple and accessible, with service points for oil, filters, and plugs positioned for easy reach. Combined with Selva’s drive-by-wire-ready electronic control interface, this model offers effortless handling and total user comfort.

Specification
Bore x Stroke (mm) 94x96,2
N° Cylinders 4 on line
Induction Electonic Injection
Starting Automatic
Fuel Petrol (for specifications see the user manual)
Fuel tank (L) Not Applicable
Lubrication Forced (Oil sump)
Ignition T.C.I./Computer
Ignition timing Electronic
Starting Electric
Alternator Standard 12V / 420W with regulator
Cooling Water cooled with pump-forced circulation
Exhaust Under-water through propeller
Steering system Remote steering system with remote control box
Type of remote control box provided (for the version with remote control box) Single lever binnaclewith safety switch
Trim adjustment Power Trim/Tilt
Direction reversal Mechanical A-F-R
Transmission Ratio 14/28
Available shaft versions Extra Long Shaft (XL.)
Standard propeller type 3-bladed with built-in spring drive
Weight basic version (kg.) 216
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Delivery

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