HONDA
1988 - 1991 HONDA NT 650 GT HAWK

NT 650 GT HAWK (1988 - 1991)

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Honda NT 650 V Deauville (1988-1991) Review: A Timeless Twin for the Discerning Rider

Introduction

The Honda NT 650 V Deauville, also known as the Hawk GT in some markets, is a motorcycle that defies easy categorization. Produced from 1988 to 1991, this liquid-cooled V-twin occupies a unique space between sporty agility and touring practicality. While its angular '80s styling might not scream "modern," this Honda has aged like fine wine, offering a riding experience that remains engaging decades later. Let’s dive into what makes this machine special – and why it still deserves your attention today.


Design & Ergonomics

The NT 650’s design is pure late-'80s Honda: functional, clean-lined, and slightly futuristic for its time. The half-fairing version (often called Deauville) provides modest wind protection, while the naked Hawk GT variant leans into minimalist streetfighter aesthetics. At 184 kg (406 lbs) fully fueled, it feels surprisingly nimble at a standstill, aided by a low 777 mm (30.6-inch) seat height that accommodates shorter riders without sacrificing ground clearance.

The riding position strikes a perfect balance – slightly leaned forward for spirited riding, yet upright enough for all-day comfort. The seat, while firm by modern standards, provides decent support for 2-3 hour stints. Honda’s build quality shines through in details like the cast aluminum single-sided swingarm (a rarity in this class) and the robust 41 mm telescopic forks.


Engine & Performance

At its heart lies Honda’s 647cc 52° V-twin – a gem of an engine that delivers 58 HP at 5,800 RPM and 58.3 Nm (43 lb-ft) of torque at 6,000 RPM. These numbers might seem modest compared to modern middleweights, but the reality is more exciting:

  • Low-Range Manners: Below 3,000 RPM, the engine purrs like a contented lion, making stop-and-go traffic effortless
  • Mid-Range Punch: From 4,000-6,500 RPM, the twin comes alive with a satisfying growl, pushing you forward with urgent torque
  • Top-End Character: While it signs off early at 6,800 RPM (redline), the power delivery feels linear and predictable

The 5-speed transmission shifts with typical Honda precision, though the clutch requires a firm pull in heavy traffic. Fuel economy averages 5.2 L/100km (45 mpg), giving a 230-250 km (143-155 mi) range from its 12L tank – decent for weekend rides but requiring planning on long tours.


Handling & Dynamics

Where the NT 650 truly shines is in its chassis dynamics. The 27° rake and 112 mm (4.4") trail create stable yet responsive steering, while the single-sided swingarm keeps unsprung weight low. Push it into corners, and the 110/80-17 front and 150/70-17 tires (original spec) deliver surprising feedback.

Key Handling Traits: - Low-Speed Agility: Flickable in city traffic thanks to its 1,475 mm wheelbase - High-Speed Stability: Rock-solid at 130 km/h (81 mph), though wind buffeting becomes noticeable without a full fairing - Suspension Compliance: The non-adjustable suspension feels plush over bumps yet controlled during aggressive riding

Braking performance from the single 276 mm front disc is adequate, requiring a firm squeeze for hard stops. The rear disc adds predictable modulation, though modern sintered pads (available at MOTOPARTS.store) significantly improve bite.


Competition

In its era, the NT 650 faced fierce rivals. Here’s how it stacks up:

  1. Yamaha XJ600 Diversion
    More touring-focused with its inline-4 engine, but heavier (206 kg) and less engaging in corners. The Honda’s torque advantage shines on twisty backroads.

  2. Kawasaki GPZ500S
    A parallel-twin alternative with similar power. The Kawasaki feels buzzier at high RPMs and lacks the Honda’s premium chassis components.

  3. Suzuki GS500
    Lighter and cheaper, but down on power (48 HP) and refinement. The Suzuki’s air-cooled engine struggles on hot days – a non-issue for the liquid-cooled Honda.

Modern Perspective: Against contemporary twins like the SV650, the NT 650 holds its own in character, though it lacks modern electronics. Its secret weapon? That glorious V-twin soundtrack and mechanical simplicity that modern bikes often sacrifice.


Maintenance

As a MOTOPARTS.store journalist, I’ve seen these bikes age gracefully – if maintained properly. Here’s your ownership cheat sheet:

Critical Service Items: - Valve Adjustments: Every 24,000 km (15,000 mi). Cold clearance: 0.15 mm (0.006") intake, 0.20 mm (0.008") exhaust - Carb Sync: Vital for smooth running. Use our 42-0557 CarbTune Pro kit - Cooling System: Replace coolant every 2 years/30,000 km (18,600 mi). Our 76-2201 premix prevents corrosion - Chain Care: 112-link chain needs regular lubrication. Try our 88-3090 O-Ring Safe Lube

Upgrade Recommendations: - Brakes: Swap to 55-6670 sintered pads for improved stopping - Suspension: Our 33-1120 progressive fork springs reduce dive under braking - Lighting: 21-8890 LED headlight bulb kit boosts nighttime visibility

Tire Pressures: - Front: 2.25 bar (33 psi) - Rear: 2.5 bar (36 psi) when riding two-up


Conclusion

The Honda NT 650 V Deauville/Hawk GT isn’t just a relic – it’s a living testament to Honda’s golden era of engineering. While newer bikes might out-spec it on paper, few can match its combination of accessible performance, mechanical charm, and timeless design. Whether you’re carving canyon roads or commuting through city streets, this Honda rewards with every twist of the throttle. And with MOTOPARTS.store’s extensive inventory of OEM and upgraded components, keeping your NT 650 in peak condition has never been easier.

Ready to make yours ride like new? Explore our curated selection of NT 650 parts and accessories today – your next adventure awaits!




Specifications sheet

Engine
Stroke: Four-stroke
Max power: 42 kW | 56.0 hp
Max torque: 58 Nm
Fuel system: Carburettor (2 x CV carburetors)
Max power @: 5800 rpm
Displacement: 647 ccm
Fuel control: Single Overhead Cams (SOHC)
Max torque @: 6000 rpm
Bore x stroke: 77.0 x 66.0 mm (3.0 x 2.6 in)
Configuration: V
Cooling system: Liquid
Compression ratio: 9.4:1
Number of cylinders: 2
Valves per cylinder: 3
Dimensions
Dry weight: 168
Wet weight: 184
Seat height: 778 mm (30.6 in)
Fuel tank capacity: 12.1 L (3.2 US gal)
Drivetrain
Final drive: chain
Chain length: 112
Transmission: 5-speed
Rear sprocket: 44
Front sprocket: 16
Maintainance
Rear tire: 150/70-17
Engine oil: 10W40
Front tire: 110/80-17
Idle speed: 1200 ± 100 rpm
Break fluid: DOT 4
Spark plugs: NGK DPR8EA-9 or NGK DPR8EIX-9
Spark plug gap: 0.85
Coolant capacity: 2.2
Forks oil capacity: 0.96
Engine oil capacity: 2.6
Chain lubrication interval: Every 500 km or after wet rides
Valve clearance (intake, cold): 0.15 mm
Valve clearance (exhaust, cold): 0.20 mm
Recommended tire pressure (rear): 2.25 bar (33 psi) solo, 2.5 bar (36 psi) with passenger
Recommended tire pressure (front): 2.25 bar (33 psi)
Chassis and Suspension
Frame: Single Swing Arm
Trail: 112 mm (4.4 in)
Rear tire: 150/70-17
Front tire: 110/80-17
Rear brakes: Single disc
Front brakes: Single disc
Rear suspension: Monoshock (Single Swing Arm)
Front suspension: Telescopic fork (41 mm diameter)
Rake (fork angle): 27.0°






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