Selva Spearfish EFI 50XS 4-Stroke Outboard Engine Extra Long Shaft

SKU: 199078I-E.ST.XL.PT.
Ships in 2 – 4 Weeks

The Selva Spearfish EFI 50XS Extra Long Shaft is a high-displacement 4-stroke outboard engine built for smooth, efficient, and responsive performance. Powered by a 1,832 cc SOHC 16-valve engine, it delivers powerful torque, quiet operation, and impressive fuel economy. Its Electronic Fuel Injection (EFI) system ensures precise fuel management for clean combustion, reduced emissions, and instant throttle response. The innovative single-throttle-body intake and optimised exhaust system provide stronger mid-range acceleration, while lightweight materials and refined balance reduce vibration. 

 

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

Sale price£14,519.00
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Our Selva approved technicians provide a detailed inspection video of your engine with every purchase.

Product Description

The Selva Spearfish EFI 50XS Extra Long Shaft provides refined performance through its 1,832 cc 4-stroke SOHC 16-valve engine, combining large displacement with cutting-edge combustion technology. The Electronic Fuel Injection system continuously regulates air-fuel delivery, ensuring smooth acceleration, optimal fuel efficiency, and minimal emissions. Its single-throttle-body intake system maximises airflow for strong torque output, while the advanced exhaust architecture enhances responsiveness across the full 5,000 – 6,000 RPM range.

Constructed from high-grade, corrosion-resistant materials, the Spearfish 50XS is both lightweight and exceptionally robust. The Extra Long Shaft layout improves propeller immersion and directional stability, making it ideal for deep-draft or offshore vessels. A reinforced gearbox, efficient cooling channels, and durable seals ensure long-term reliability even under extended operation in saltwater conditions. Its lightweight build improves handling, reduces drag, and keeps vibration and noise to a minimum.

The EFI system guarantees reliable starting, steady idling, and responsive throttle control in all conditions. Maintenance points are easily accessible for quick service, while the engine’s smooth, quiet running enhances comfort on long trips. The Spearfish 50XS is ideal for users seeking strong mid-range power, consistent efficiency, and dependable control in a modern, easy-to-maintain outboard. The Selva Spearfish EFI 50XS 4-Stroke Outboard Engine (Extra Long Shaft) combines innovative engineering with high displacement performance, delivering quiet, efficient, and confident power for every voyage.

Specifications
Feature Specification
Model Selva Spearfish EFI 50XS (Extra-Long Shaft)
Engine Type 4-Stroke, 3-Cylinder
Displacement 996 cc
Power Output 50 hp
Fuel System Electronic Fuel Injection (EFI)
Starting System Electric start
Controls Remote control box
Shaft Length Extra-long shaft (25")
Ignition System Digital CDI
Trim & Tilt Power Trim/Tilt
Reverse Gear Standard
Cooling System Water-cooled
Fuel Tank External connection (separate tank supplied)
Propeller 3-blade aluminium (standard)
Weight Approx. 110–114 kg
Applications Offshore RIBs, sports boats, fishing boats, deep-V hulls, sailing auxiliaries

Delivery

Delivery Information

At Marine Chandlery, we aim to get your orders to you as quickly and efficiently as possible. Here’s everything you need to know about our delivery process:

Dispatch Times

  • All goods are usually dispatched within 1 working day of your order being placed.
  • For orders placed over weekends or bank holidays, dispatch will occur on the next working day.

Delivery Costs

  • Delivery prices are calculated at checkout based on the size, weight, and destination of your order.
  • Rest assured, we strive to keep our shipping costs fair and transparent.
  • Unfortunately, our default UK delivery costs exclude Highlands, Ireland and Northern Ireland. Please contact us for a quote.

Important Information on Larger Items

  • Please note that outboards and inflatables are excluded from standard delivery pricing.
  • These items require specialised handling and are shipped via a bulky courier service. The shipping cost for such items will be confirmed during checkout or upon enquiry.

Delivery Partners

We work with reliable couriers to ensure your goods arrive safely and on time. Once your order is dispatched, you’ll receive tracking information to stay updated on its progress.