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| | | | First look: Moto Morini 9 1/2 |  Written: 29/11/2007 : 12:30. Read 12566 times (13/day). | The name 9 1/2 is an homage to the legendary 3 1/2 twin cylinder of the 1970s. At the same time intended as a tourer, a naked sport bike, and a motorcycle for daily commuting, the 9 1/2 features a powerful 1187cc engine mounted on a tubular trellis frame... evolution of the Corsaro.
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DESIGN AND FUNCTIONALITY.
The bike’s aesthetics is the product of Marabese Design. The main element of the motorcycle is the high-capacity tank (21 litres). The wide seat practically fuses into the light tail, making it seem one piece. Its shape and covering prevent the passenger from slipping forward when the bike brakes.
The technical base is totally exposed and is exclusive for the 9 1/2: the frame features an innovative heavily reinforced rear to accommodate a cantilever side shock absorber combined with a strong swing arm with oval-sectioned tubes.
On the righthand side the single silencer, fully reflecting Moto Morini styling, is thermally insulated to an optimum degree.
Equally robust is the front of the bike marked by a solid 50 mm fork with increased travel.
THE BIALBERO CORSACORTA TWIN CYLINDER ENGINE.
The 9 1/2 is a large-displacement road bike mounted with the 1187 cc Bialbero CorsaCorta twin-cylinder engine that develops 117 Hp at 8500 rpm. The engine’s layout is compact, characterised by the 87° V layout of the cylinders and by the innovative solution of the integral casing. Compared to traditional solutions, it offers diverse advantages: the stiffness of the whole makes the engine a loadbearing element, serving to simplify the layout of the frame; the ease in assembling and disassembling means that work can be done on the engine both during production and servicing (for example, the lower part of the engine can be opened to give access to the gearbox and crankshaft without the need to disassemble heads from the casing); the pistons and cylinders can be disassembled without opening the casing by using the lateral openings; and there is no longer the need to join the two semi-casings, typical of motorbike engines, which translates into huge benefits for production, service and the cost of spare parts.
The engine by Franco Lambertini has been specially conceived for this bike and vaunts thermodynamic features different from those of the twin-cylinder engine designed for the Corsaro. Efforts were made to reduce the intake pipes and the diameter of the valves and to upgrade engine timing, while the compression ratio was increased to improve the progression at low rpm and reduce fuel consumption. The result is a 117 Hp (86 kW ) at 8500 rpm and 102 Nm torque at 6700 rpm.
FRAME.
Core of the chassis is the trellis frame in high-strength tubular steel by Verlicchi based on an exclusive design by Moto Morini. The structure offers unparalleled solidity which has been additionally stiffened in the rear part of the subframe, a stiffness required for adopting the solution of the cantilever lateral suspension. The values normally assigned to wheelbase, steering rake and trail are compact, especially considering the fact that we’re talking about a bike with a 1200 cc engine capacity. The weight is 198 kg.
SWINGARM AND SUSPENSIONS.
At front is a mighty Marzocchi Magnum with 50 mm diameter legs, with exclusive lightweight plates in light alloy. The rear fits a powerful swingarm, made with a 150 mm diameter oval-sectioned tube, aided by a suspension with piggy back reservoir, fully adjustable in rebound and compression.
BRAKE SYSTEM.
Brembo system: the pair of 320 mm semi-floating discs at front is operated by axial callipers with four pistons with differentiated diameter.
CPU AND ELECTRICAL SYSTEM.
The CAN line serves to transfer the information between the Magneti Marelli engine control unit, the fully equipped instrument panel with onboard computer and the latest generation sensors. Included among the functions of the instrumentation, the rider can refer to two different trip meters, including average speed and lap time, but also check outside temperature, engaged gear, clock and maintenance intervals.
TANK.
The two toned fuel tank is built in shock-proof nylon. With a 21 litre capacity, it can be lifted to permit access to the large filter box underneath.
EXHAUST SYSTEM.
The exhaust system is signed by Termignoni: three-way catalytic converter and oxygen sensor has resulted in emissions that fall under the limits established by the rigid Euro 3 standards.
TECHNICAL DATA
Engine characteristics
Engine: Moto Morini – Bialbero CorsaCorta
Cylinders: 2
Layout: 87° V longitudinal
Strokes: 4
Cooling: Liquid cooled
Timing system: Double overhead camshaft
Valves per cylinder: 4
Bore x stroke: 107 x 66 mm / 4,21 x 2,59 inch
Displacement: 1187 cc
Compression ratio: 12.5:1
Power: 86 Kw – 117 HP @ 8500 rpm
Torque: 102 Nm – 10.4 Kgm @ 6700 rpm
Fuel system: Magneti Marelli indirect electronic injection with 54 mm / 2,12 inch Ø throttle body
Ignition: I.A.W. electronic
Starting: Electric
Lubrication: Forced with trochoidal pump
Gearbox: With constant mesh spur gears
Gear ratio: 6
- In first 13/36
- In second 17/32
- In third 20/30
- In fourth 22/28
- In fifth 23/26
- In sixth 24/25
Clutch: Wet, multiplate type
Primary drive: Spur gears 55:31
Final drive: Chain 17/40
Exhaust: Silencer, 3-way catalytic converter with oxygen sensor
Emissions control:
Chassis
Frame: Verlicchi high-strength steel tube trellis frame
Wheelbase: 1470 mm / 57,87 inch
Headstock rake: 24.5°
Rake: 100 mm / 3,93 inch
Front suspension: Marzocchi upside-down fork with 50 mm / 1,96 inch Ø legs
Front wheel travel: 150 mm / 5,90 inch
Swing arm: Oval steel tube
Rear suspension: Single lateral shock absorber with fully adjustable piggy back tank
Rear wheel travel: 150 mm / 5,90 inch
Front brake: Brembo 320 mm / 12,59 inch double disc with 4-piston callipers
Rear brake: Brembo 220 mm / 8,66 inch single disc with 2-piston calliper
Front tire: 120/70 Tubeless
Rear tire: 180/55 R17 Tubeless
Rims: Excel spoke rims with aluminium channel
Front rim: size MT 3.50 x 17”
Rear rim: size MT 5.50 x 17”
Size and weights
Total length: 2170 mm / 85,43 inch
Max. Width: 865 mm / 34,05 inch (excluding rear-view mirrors)
Seat height: 800 mm / 31,49 inch
Min. Height: from ground 162 mm / 6,37 inch
Steering angle: 34° rh/lh
Dry weight 198 Kg / 440 lbs (Moto Morini indicates the weight of the motorcycle complete with battery, cooling liquid, engine oil and without fuel)
Capacity
Tank capacity: 21 litres / 4,62 UK gal
Reserve capacity: 4,5 litres / 1 UK gal
Instrumentation
Instrument panel Electronic/analogical rev counter and speedometer with multifunctional LCD display
Versions
Colours Black/red with black frame – Black/silver with black frame
Warranty
3 years
COLOURS.
The 9 1/2 comes in two colour versions: black/red with red frame and black/silver with black frame.
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PREMIUM MEMBERSHIP susbcription !!!
- you can read all the filed articles
- no more ads
- you can see the pictures in hi-res in the articles,
- you have access to a special forum for more news and private discussions,
- you are not limited when uploading pictures,
- you can upload your personal avatar,
- you benefit from a 20% discount when renewing your subscription,
- a pop-up navigation window is available for easy access to your favourite functions,
- and last but not least, you are really involved in the life of M-O and its content.
| |
| Test the Premium Membership subcription for 1 month: 3.99 USD | |
| Premium Membership, 3 months: 9.99 USD | |
| Premium Membership, 1 year: 29.99 USD | | |
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