# Gilera DNA

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

## 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); 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. 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.
| | 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 | Automatic speed variation system by means of variable diameter pulleys, vee belt, centrifugal clutch and gear final drive | 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 | Telescopic forks |
| Rear Suspension | Single hydraulic shock absorber, coaxial helical spring, frame engine attachment with swinging arm | Swing arm and adjustable twin shock | Swing arm and adjustable twin shock |
| Front Brakes | Ø 240 mm (9.4 in) brake disc with dual piston calliper Ø 25 mm | Ø 240 mm (9.4 in) brake disc with dual piston calliper Ø 25 mm | 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 | Ø 240 mm (9.4 in) disc brake, caliper with two opposed pistons Ø 30 mm |
| Front Tire | 120/70-14" | 120/70-14" | 120/70-14" |
| Rear Tire | 140/70-14" | 140/60-14" | 140/60-14" |
| Electricity ||||
| Ignition | Electronic, a capacitor discharge microprocessor device, with built-in HV coil. | Electronic CDI with variable timing | Electronic CDI with variable timing |
| Battery | 12V 4Ah | | |
| Dimensions ||||
| Wheelbase | 1,330 mm (52 in) | 1,355 mm (53.3 in) | 1,355 mm (53.3 in) |
| Length | 1,940 mm (76 in) | 1,940 mm (76 in) | 1,940 mm (76 in) |
| Width | 780 mm (31 in) | 780 mm (31 in) | 780 mm (31 in) |
| Saddle Height | 770 mm (30 in) | 770 mm (30 in) | 770 mm (30 in) |
| Weight (dry) | 112 kg (247 lb) | 137 kg (302 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 | 9 L (2.0 imp gal; 2.4 US gal), including approximately 1.2 L (0.26 imp gal; 0.32 US gal) reserve | 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) | 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) | 0.9 L (0.20 imp gal; 0.24 US gal) (approximately) | 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 | | |