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 Policy

Overview

We aim to dispatch all orders promptly and deliver your goods safely and efficiently. This Delivery Policy outlines how and when your order will be delivered, along with important information regarding delivery times, costs, and responsibilities.


Order Processing

Orders are normally processed within 1–2 working days of being placed, excluding weekends and public holidays. Orders placed after business hours will be processed on the next working day.

During busy periods, processing times may be slightly longer, but we will always aim to keep delays to a minimum.


Delivery Services

We use a range of reputable courier services to ensure reliable delivery. The courier used may vary depending on the size, weight, and nature of the items ordered.


Delivery Times

  • UK Mainland: Estimated delivery is typically 1–3 working days from dispatch.

  • Delivery times are estimates only and cannot be guaranteed.

  • Delays may occur due to courier issues, adverse weather, or other circumstances beyond our control.


Delivery Costs

Delivery costs are calculated automatically at checkout based on the items in your order and the delivery location. Any applicable charges will be clearly displayed before you complete your purchase.


Oversized or Heavy Items

Some items may be large, heavy, or require specialist handling. These items may:

  • Incur additional delivery charges

  • Require longer delivery times

  • Be delivered by a specialist courier

Where this applies, relevant information will be shown at checkout or communicated to you after ordering.


Tracking Information

Where available, tracking details will be provided once your order has been dispatched. Tracking information will be sent by email or made available through your order confirmation.


Missed Deliveries

If delivery is attempted and no one is available to receive the order, the courier may:

  • Leave the parcel in a safe place (where authorised)

  • Leave a card with instructions for rearranging delivery

  • Attempt re-delivery on the next working day

Additional charges may apply for repeated failed delivery attempts.


Damaged or Missing Items

Please inspect your order upon delivery. If your item arrives damaged or incomplete, you must notify us within 48 hours of receipt.

Where possible, photographic evidence should be provided to help us resolve the issue quickly with the courier.


Delivery Address Responsibility

It is the customer’s responsibility to ensure that the delivery address provided is accurate and complete. We cannot accept responsibility for delays or losses caused by incorrect or incomplete address details.


Collection

If collection is offered, this will be by prior arrangement only. You will be notified when your order is ready for collection.


Contact Us

If you have any questions regarding delivery or your order, please contact us using the details provided on our Contact page. We will do our best to assist you as quickly as possible.