Selva Murena EFI 25XS 4-Stroke Outboard Engine Extra Long Shaft

SKU: 199068-E.ST.XL.PT.
Ships in 2 – 4 Weeks

The Selva Murena EFI 25XS Extra Long Shaft is a robust, high-torque 4-stroke SOHC 16-valve outboard built on a compact 498 cc block. Advanced Electronic Fuel Injection (EFI), a heavy-duty gearcase and a large-diameter propeller deliver strong push, quiet running and low fuel consumption. With instant electric starting, a 12 V / 200 W alternator and a durable transmission, this model offers dependable performance for fishing, commercial, and auxiliary use where reliability and thrust matter most.

 

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

Sale price£11,249.00
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Our Selva approved technicians provide a detailed inspection video of your engine with every purchase.

Product Description

At its heart, the Murena 25XS EFI uses a finely balanced 498 cc SOHC 16-valve engine tuned to provide maximum torque throughout the 5 000 to 6 000 rpm range. The EFI system continuously adjusts fuel delivery and ignition timing to suit load and environmental conditions, guaranteeing smooth acceleration, clean combustion and notably low emissions. Despite its small displacement, it delivers thrust comparable to larger motors thanks to an optimised combustion chamber and Selva’s precise calibration of valve timing. The broad torque band allows the engine to plane heavier hulls quickly and maintain speed with less throttle, translating directly into fuel savings and extended range.

The engine block and cylinder head are cast from corrosion-resistant aluminium alloy and mounted on a reinforced lower unit built to absorb continuous high load. A 13 : 24 gear ratio, paired with a large-diameter three-blade propeller, converts torque into smooth, efficient thrust with excellent grip in turns or current. Cooling is managed by a sealed, pump-forced system that keeps operating temperature stable even at prolonged idle. All major components receive Selva’s marine-grade anti-corrosion treatment for longevity in salt or fresh water. The Extra Long Shaft (XL) configuration provides deeper propeller immersion and better tracking for sailboats and deep-transom craft operating offshore.

Starting is effortless through the electric ignition supported by the EFI’s automatic enrichment control, ensuring instant firing in cold or humid conditions. The engine runs with remarkably low vibration thanks to Selva’s internal balancing and resilient mount design. Operators can equip Power Trim and Tilt for quick attitude adjustments and easier mooring or trailering. A 12 V / 200 W alternator provides stable power for electronics, navigation lights and bilge systems. Servicing is straightforward, with easily accessed oil, filter and inspection points that minimise downtime. Compact, economical and powerful for its size, the Selva Murena EFI 25XS 4-Stroke Outboard Engine (Extra Long Shaft) represents the ideal combination of torque, efficiency and long-term reliability, delivering confident control and enduring Selva quality on every voyage.

Specification
Bore x Stroke (mm) 65x75
N° Cylinders 2 on line
Induction 1 carburettor
Starting Automatic
Fuel Petrol (for specifications see the user manual)
Fuel tank (L) Separate 23
Lubrication Forced (oil sump)
Ignition C.D.I. Micro-computer
Ignition timing Electronic
Starting Manual or Electric
Alternator Standard 12V/160W (regulator optional) on Manual start versionStandard 12V/160W with regulator on Electric start version
Cooling Water cooled with pump-forced circulation
Exhaust Underwater through propeller
Steering system Bar with twist grip throttle control and steering friction adjustment or remote with remote control box according to version
Type of remote control box provided (for the version with remote control box) Single lever with safety switch
Trim adjustment Manual (4 pos)with trim for navigation in shallow waters or Power Tilt depending on the version
Direction reversal Mechanical A-F-R
Transmission Ratio 13/27
Available shaft versions Extra Long Shaft (XL.)
Standard propeller type 3-bladed with built-in spring drive
Weight basic version (kg.) 77
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.