Star House, Turbine Business Park, Turbine Road, Birkenhead, Merseyside, CH41 9BA

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The Narwhal HD 670 is a premium, heavy duty vessel for work or leisure


The Narwhal HD 670 is a premium, heavy duty vessel for work or leisure

The Narwhal HD 670 is a premium, heavy duty work vessel that can be used for work or leisure and fishing. This vessel is perfect for those looking for a safe and comfortable RIB, while offering exceptional reliability and performance thanks to a 200 hp 3.4 V6 Mercury engine

A trailer is also supplied as part of the purchase with this model.

Standard equipment  Optional equipment 
PVC buoyancy tube Consoles
PRFV hull grey medium color Stainless steel boarding ladder
Reinforced rubbing strake fender TTOP
Fuel tank compartment with integrated lid and hatch Fuel tank
Integrated seat on stern with grey upholstery Locker seats
Electric automatic bilge pump kit Jockey seats
Aluminum paddle-hook Leaning Post
Rings with line grips Roll bar
PVC bow mooring line-guide Engines
Bow & side carrying handles Bottles rack
Inflatable & pressure relief valves  
Pipe for engine wires  
“Elephant trunk” transom drain plug  
Bow locker  
Mooring/towing/lifting rings  
Mooring cleat  
Pump-type bellows & repair kit  



Data Sheet
Length overall 675 cm
Inside length 525 cm
Beam overall 270 cm
Inside beam 148 cm
Maximum depth 100 cm
Maximum tube Ø 57 cm
Chambers 5+1
Maximum engine power 225 HP
Recommended engine power (4S) 150 HP
Maximum engine weight 290 kg
Engine shaft type XL
Max. authorized PAX no. 16/8
Maximum authorized load 1530 kg / 1450 kg
Approx. weight of boat 490 kg
Approval C/B

Up o 30% quieter and 50% less vibration than comparable competitor models.  

Technical specifications  
HP / KW 200 / 149
Engine type V6
MidSection Conventional MidSection
Displacement (CID / CC) 209 CID
Displacement (CC) 3.4L
Cylinder configuration  V6 (64 degree) with Duel Overhead Cam (DoHC), 24 valves
Full throttle RPM 5000-5800
Air induction Performance-tuned long-runner intake manifold
Fuel injection system  Electronic Fuel Injection (EFI) computer controlled with advanced range optimisation
Alternator amp / watt 85-amp (1071 watt) with idle charge
Recommended fuel Unleaded regular 87 octane minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Recommended oil NMMA certified FCW SAE 10W-30
Engine protection operator warning system SmartCraft Engine Guardian
Compatible with SmartCraft digital technology Yes
Starting Electric start with SmartStart protection
Controls  Remote mechanical or digital throttle and shift (DTS)
Steering Big tiller (optional) / Hydraulic (standard) / Joystick piloting for outboards / power (optional)
Shaft length 20" / 508mm or 25" / 635mm
Gearcase ratio 1.85:1
Dry weight (lightest available model)  475lb / 216Kg
CARB star rating 3
Bore and stroke  3.6in x 3.4in / 92mm x 86mm
Ignition SmartCraft PCM 112 Digital Inductive   
Cooling system Water cooled with thermostat
Gear shift  N-F-R
Gearcase options 4.8"
Trim system Power trim and tilt
Exhaust system  Through prop
Counter rotation Available
Colour Phantom black
Lubrication system Integrated wet sump
Oil capacity 7.0 quarts / 6.6 litres
Maximum trim range 20o (-6o-14o)
Maximum tilt range 73o (-6o-67o)