Named after the famous Alpine pass that connects Valtelline Valley to Vinschgau Valley with 84 amazing s-bends between them, the Stelvio 1200 NTX brings together Guzzi character with state-of-the-art performance and design. The Stelvio has reached a new level thanks to the technical and functional upgrades on the new Stelvio 1200 NTX.
It all starts with design. The Guzzi design team has streamlined the Stelvio by rounding off the fuel tank and integrating it with the lightweight half-fairing. The new half-fairing improves wind protection and flows seamlessly into the twin headlight assembly. The latter feature is a distinctive element of the Stelvio design, and the only detail inherited from the previous version.
The front fairing, windscreen and the half-fairing with integrated turn signals are all brand new elements that together, give the front-end of the Stelvio 8V a cutting-edge look. It has an original design, but it is above all more functional and versatile, qualities that are of the utmost importance in the Adventure Touring segment.
The styling compared to the previous version: more efficient aerodynamic protection, thanks to the new top fairing and practically twice fold range capacity thanks to the outstanding new fuel tank with a 32 litre record capacity.
The heart that beats inside this touring bike is the renowned V-shaped 90° transverse twin-cylinder “Four valve” engine, the highest performer among all the families of engines manufactured at Mandello del Lario, which has now reached exclusive levels as far as its technical/performance development is concerned.
This latest version can boast the careful attention paid to achieve a more silent and smooth running of the engine, whilst tweaking the electronic control, timing system and cooling system. The brand new integrated ignition and injection ECU now exploits the signals sent by the two lambda probes to guarantee adequate feeding throughout the entire combustion cycle, improving response to the throttle control, low-to-mid-range power delivery further to consumptions and emissions. The ECU also includes the ATC system to prevent sliding: this system controls ignition advance and injection to cut torque delivery whenever a sudden loss of grip is detected so as to help the rider to remain in control under extreme, unexpected conditions. The system can be deactivated, just like ABS.
The engine now boasts a maximum torque of over 83 foot-pounds delivered at a mere 5,800 rpm and easily reaches a peak horsepower of 105 HP at 7,250 rpm.
These characteristics emerge immediately once you are seated on the bike, where the perception of carefully-designed ergonomics can be felt straightaway: saddle, footrests and handlebar form a perfect triangle for all users. Moreover, for the perfectionists, there is still room for minor adjustments: windshield, saddle height (32 or 33 inches), handlebar inclination, levers, pedals, as well as race-style adjusters for hydraulic compression/rebound damping. In a few seconds, everything is at the right place to face any challenge, from city traffic to the most inaccessible off-road paths. In motion, reduced vibration and the efficient aerodynamic protection offered by the new top fairing and windshield and original side wind deflectors ensure riding comfort for rider and passenger as well, ideal to tackle long trips.
The NTX features more protection for the motor and the rider alike. Aluminum crash bars protect the oil sump, engine, and cylinder heads. While hand-guards and the extra large windshield with additional wind deflectors offer more protection and comfort for the rider.
A bike dedicated to long haul travellers naturally needs luggage space, hence the spacious aluminium panniers and additional halogen lights.
Major improvements are also found in the controls, with a new dashboard including a 12V power outlet, a new fuse box compartment, dashboard and instrument panel with new rpm indicator graphics and a dash display with six-mark fuel indicator that integrates with on-board computer functions such as average and current consumption, average speed, trip time, maximum speed peak reached and diagnostics. The display also lets you activate the ATC system (traction control system), fitted as standard on both models.
CHASSIS, SUSPENSION AND BRAKES
The Stelvio 1200 NTX tackles a twisty mountain pass or a gravel-strewn fire road with equal aplomb. The secret is the new upper twin spar frame, made of high-strength steel, with 2.5mm thick directional tubes, where the engine is anchored through six connecting points, two more than in usual frames, which give high rigidity to the assembly.
Chassis positions have been defined to facilitate handling, a headstock with a 27° inclination for a 125mm trail, improved by a 60.4 inch/1535mm wheelbase which guarantees impeccable handling. The fully adjustable 45mm USD Marzocchi fork with 170mm of travel ensures an instant, smooth response. At the rear, a rebound and preload adjustable Sachs monoshock supports 155mm of travel. The refinement of the suspension guarantees a neutral setting at all times.
When accelerating out of a corner, and the action of the 105 horsepower generated by the new “Quattrovalvole” engine is requested, or when braking, under the quick deceleration generated by the three-disc Brembo braking system supported by the selectable Continental ABS, fitted as standard on NTX. The Stelvio NTX sports 320mm double disc front brakes with a new holder flange, while retaining a 282mm brake disc at the rear. The wheels boast a cutting-edge designed set of light alloy rims with a 150/70-17 rear tire. Tubeless spoked wheels (patented Alpina STS system) come standard on the NTX.
ENGINE AND TRANSMISSION
The Stelvio 1200 NTX boasts the latest evolution of the “Quattrovalvole” engine”, introduced in 2006 and universally acknowledged as the most advanced version of the V-shaped 90° transverse twin-cylinder. This highly sophisticated mechanical gem, which is unique in terms of both architecture and engineering clarity, is built using advanced componentry and technical solutions.
The 1200cc 90° V-Twin boasts the following advances:
• Raised cam profile single camshaft timing system driven by silent “Morse” type chains” with hydraulic chain tensioners
• Forged pistons with three rings cooled by oil jets in the crankcase
• Ultra-light valves in special alloy steel with 5mm stems
• Conical valve springs that eliminate resonance and power loss at high engine speeds
Lubrication and cooling are ensured by two coaxial pumps that circulate lubricant through a separate duct in the head up to the exhaust valve seats, where the highest temperatures develop. The cylinders feature an extremely modern design, with the cooling fins tapered toward the front of the cylinders, while the valve covers – which proudly flaunt the “Quattrovalvole” moniker – feature a floating mounting system to reduce mechanical noise.
As far as the fuel system goes, the “Quattrovalvole” engine premiers the new Marelli IWP 189 injectors located on the intake ducts of the sizeable 50mm throttle bodies, whereas the brand new integrated ignition and injection ECU now exploits the signals sent by the two lambda probes to guarantee adequate fuel metering throughout the entire combustion cycle, improving response to the throttle control, mid range power delivery further to consumptions and emissions. In terms of electronic components, the new Stelvio 1200 NTX debuts the ATC system (traction-control system) providing the rider with confidence in poor riding conditions.
The gearbox is a genuine six speed mechanical gem that excels for quietness, an easily selectable neutral position and precision, thanks also to the quiet and smooth single plate clutch.
• New headlight fairing
• New 8.5 gallon / 32 litre fuel tank
• New windshield
• New saddle lining
• 1200 90° V-shaped Twin-cylinder “Four Valve”
• Single overhead camshaft timing system with decreased valve control noise level
• Two lambda probes
• New profile camshafts
• Single plate clutch
• New exhaust system
• Transmission with compact reactive cardan shaft drive
• 6-gear gearbox
• Euro 3
• High tensile steel upper dual beam frame.
• 45mm USD Fork, adjustable spring preloading and hydraulics fitted with a new set of progressive action springs
• Shock absorber with adjustable preload and rebound fitted with a new, stiffer spring
• Rear suspension with progressive articulation single arm
• 4 horizontally opposed piston front brake system with new 320 mm discs, deactivatable ABS
• Rear 282-mm disc brake, floating calliper with two parallel pistons. Deactivatable ABS
• Rear tire: 150/70-17
• Front tire: 110/90-19
NTX STANDARD EQUIPMENT
• ATC traction control
• Black satin-finish aluminum sidebags
• Cylinder guard
• Long-range lights
• Aluminum sump guard
• Hand guards
• Tubeless Spoked wheels (Alpina STS System)
• Extra large windshield with side wind deflectors
Stelvio 1200 NTX
Type 90° V-twin engine, 4-stroke
Cooling Air and oil and, independent cooling pumps
Engine capacity 1,151 cc
Bore and stroke 95 x 81.2 mm
Compression ratio 11:01
Maximum power 103HP (77 kW) @ 7,250 rpm
Maximum torque 83.3 Ft Lb (113 Nm) @ 5,800 rpm
Fuel supply / Ignition Multipoint sequential electronic ignition, Magneti Marelli IAW5A phased, alfa-n system; two 50mm diameter throttle body, Weber IWP 189 injectors, two lambda probes.
Exhaust system stainless steel, 2-in-1 type, three-way catalytic converter with lambda probe
CHASSIS / SUSPENSION / BRAKES
Final drive Compact reactive cardan shaft drive system (CA.R.C.); double cardan joint and floating bevel gear seat, drive ratio 12/44 = 1: 3.666
Clutch single-disc with integrated anti-vibration buffer
Chassis High yield strength tubular steel with integrated engine
Wheelbase 60.4 in( 1,535 mm)
Trail 4.92 in. (125 mm)
Headstock angle 27°
Steering angle 34°
Front suspension completely adjustable USD fork (spring preload and hydraulic compression and rebound damping) with 45 mm diam.
Front wheel travel 6.69 in. (170 mm)
Rear suspension single arm with progressive linkage, monoshock with adjustable hydraulic rebound damping and spring preload adjuster knob
Rear wheel travel 6.10 in (155 mm)
Front brake Dual Brembo 320 mm diameter stainless steel floating double discs, radial calipers with 4 horizontally opposed pistons
Rear brake Brembo 282 mm stainless steel fixed disc, floating caliper with 2 parallel pistons
Wheels Light alloy (tubeless, spoked)
Front wheel rim 2.50” x 19”
Rear wheel rim 4.25” x 17”
Front tire 110/80 R19”
Rear tire 150/70 R17”
Length 88.53 in (2250 mm)
Height 58.26 in (1,480 mm)
Width 41.33 in (1,050 mm)
Saddle height 32 – 33 in (820-840 mm) adjustable
Minimum ground clearance 8.26 in. (210 mm)
Curb weight (Ready to Ride) 598 lbs (272 Kg)
Fuel tank capacity 8.5 Gallons (32 liters)
1.8 Gallons (Reserve) / 7 liters (Reserve)