Mercury 8hp Outboard Engine

This engine is supplied in partnership with Cambridge Outboards, an official Tohatsu dealer giving you peace of mind with expert support and matching dealer pricing.

Overview

The Mercury 8hp 4-stroke EFI tiller outboard is a lightweight, portable engine designed for easy starting, fast warmup, and smoother idle quality. It’s a strong choice for aluminium tiller boats, inflatable soft hull boats, jon boats, utility boats and small sail boats – delivering practical power in a compact, easy-to-handle package.

Key Benefits

• Simplified starting procedure for easier day-to-day use
• Faster warmup and improved idle run quality for smoother operation
• Lightweight portable design at just 38kg
• Available with pull start or electric start to suit your setup
• Great match for air or aluminium deck Hydrus inflatable boats from 330 to 370

Dealer Support

This engine is supplied in partnership with Cambridge Outboards, an official Tohatsu dealer, giving you peace of mind with expert support and matching dealer pricing.

Specifications

• Power: 8hp / 5.9kW
• Engine Type: Inline 2
• Displacement: 208cc
• Full Throttle RPM: 5,000 – 6,000
• Fuel Induction System: 2 valves per cylinder, single overhead cam (SOHC)
• Alternator Output: 6 amp / 76 watt
• Starting: Manual or electric
• Steering: Tiller
• Gear Shift: F-N-R
• Gearcase Ratio: 2.08:1
• Engine Protection Warning System: Low oil pressure, over-rev
• Ignition: CDI with electronic spark advance
• Fuel System: Carbureted
• Cooling System: Water-cooled with thermostat
• Trim Positions: Ratcheting
• Exhaust System: Through prop
• Shallow Water Drive: Yes
• Shallow Water Trim Range: 16°
• Remote Fuel Tank Supplied: 12L
• Colour: Phantom Black
• Dry Weight (lightest model): 38kg
• Bore x Stroke: 55 x 44mm

Shaft Length Options

• Short Shaft: 15″ / 381mm
• Long Shaft: 20″ / 508mm

Fuel and Oil Recommendations

• Recommended Fuel: Unleaded 90RON minimum
• Recommended Oil: Mercury FourStroke Oil 10W-30

FAQs

Is this outboard suitable for inflatable boats?

Yes – it’s a strong option for inflatable soft hull boats thanks to its portable weight, tiller control and user-friendly starting and idle improvements.

Is it pull start or electric start?

Both options are available – you can choose pull start or electric start.

Does it have reverse?

Yes – it uses F-N-R (Forward-Neutral-Reverse), which helps with docking and low-speed manoeuvring.

Does it come with a fuel tank?

Yes – it includes a 12L remote fuel tank and fuel line.

What shaft length should I choose for my boat?

Short shaft (15″ / 381mm) suits many inflatables and lower transoms. Long shaft (20″ / 508mm) is better for higher transoms and some RIB setups.

Is it a good match for Hydrus inflatables?

Yes – it’s described as a great match for air or aluminium deck Hydrus inflatable boats from 330 to 370.

Shipping cost

There is a (Pre Delivery Inspection) and shipping charge for this item to mainland UK:

If shipping with a Hydrus then shipping will be:

Please let us know if you prefer to collect for FREE from Worthing, West Sussex or if you’d like to arrange your own delivery.

Please Note: Our warehouse is NOT open to the public.

For shipping overseas please contact us first.

Please see all our Shipping Fees here.

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