Gilera DNA

The Gilera DNA was a motorcycle produced by Gilera from 1996 to 2009.

DNA 180, front view
Gilera DNA
DNA 180
ManufacturerGilera
Production1996–2009
ClassMotorcycle/Scooter
sport moped
Engine50 cc (two-stroke liquid cooled)
125 cc (four-stroke liquid cooled)
180 cc (four-stroke liquid cooled)
TransmissionAutomatic
RelatedGilera Runner

Description

The Gilera DNA is available in 50 cc, 125 cc, and 180 cc variants. It features a continuously variable transmission along with an electronic start. The 50 cc bike is limited to a top speed of 29 mph (47 km/h);[1] the 125 cc is capable of 72 mph (116 km/h); and the 180 cc bike has a maximum speed of 88 mph (142 km/h). The 50 cc engine is a 2-stroke, while the 125 cc and 180 cc models are 4-stroke, all are single cylinder.

In 2005 Gilera released the 'RST' model which replaced the handlebars with a different design and featured a new colour scheme.[2] This model was discontinued by Gilera in 2009].

The 125 cc bike was nominated for the "Machine of the Year" award by Motorcycle News in 2001.[3]

50 cc 125 cc 180 cc
Engine
Engine Type 49.4 cc (3.01 cu in) single cylinder two-stroke 124.2 cc (7.58 cu in) single cylinder four-stroke 181.7 cc (11.09 cu in) single cylinder four-stroke
Bore/Stroke 40 mm × 39.3 mm (1.57 in × 1.55 in) 57.0 mm × 48.6 mm (2.24 in × 1.91 in) 69.0 mm × 48.6 mm (2.72 in × 1.91 in)
Compression Ratio 12:1 (±0.7)
Carburation Carburetor Dell'Orto PHVA 17.5
Drivetrain
Transmission Automatic speed variation system by means of variable diameter pulleys, vee belt, centrifugal clutch and gear final drive
Front Suspension Hydraulic telescopic fork Telescopic forks
Rear Suspension Single hydraulic shock absorber, coaxial helical spring, frame engine attachment with swinging arm Swing arm and adjustable twin shock
Front Brakes Ø 240 mm (9.4 in) brake disc with dual piston calliper Ø 25 mm
Rear Brakes Ø 200 mm disc brake, caliper with 28 mm opposed pistons Ø 240 mm (9.4 in) disc brake, caliper with two opposed pistons Ø 30 mm
Front Tire 120/70-14"
Rear Tire 140/70-14" 140/60-14"
Electricity
Ignition Electronic, a capacitor discharge microprocessor device, with built-in HV coil. Electronic CDI with variable timing
Battery 12V 4Ah
Dimensions
Wheelbase 1,330 mm (52 in) 1,355 mm (53.3 in)
Length 1,940 mm (76 in)
Width 780 mm (31 in)
Saddle Height 770 mm (30 in)
Weight (dry) 112 kg (247 lb) 137 kg (302 lb)
Liquids capacity
Fuel 9 L (2.0 imp gal; 2.4 US gal), including approximately 1.2 L (0.26 imp gal; 0.32 US gal) reserve
Engine oil 1.3 L (0.29 imp gal; 0.34 US gal), including approximately

0.4 L (0.088 imp gal; 0.11 US gal) reserve

 1 L (0.22 imp gal; 0.26 US gal) (approximately)
Cooling system 0.9 L (0.20 imp gal; 0.24 US gal) (approximately)
Performance
Power Output 3.3 kW (4 hp) 11 kW (15 hp) @ 9700 rpm 14 kW (19 hp) @ 8500 rpm
Torque 4.7 N-m @ 6000 rpm

References
  1. Mesure, Susie (2005-11-22). "Gilera DNA 50 - Road Tests". The Independent. Retrieved 2015-03-25.
  2. "Gilera updates DNA". Motorcycle News. 2005-06-10. Retrieved 2015-03-25.
  3. "Overall Machine of the Year". Motorcycle News. 2001-10-21. Retrieved 2015-03-25.
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