16/02/2002
The Gilera DNA 50, introduced to the UK in July 2000, was a truly groundbreaking vehicle that blurred the lines between a traditional motorbike and a scooter. Hailing from a brand with over a century of innovation, Gilera positioned this 50cc machine as a 'hybrid' – a term that perfectly encapsulates its dual nature. It offered the twist-and-go simplicity and automatic transmission of a scooter, yet sported the aggressive styling, larger wheels, and front fork setup typically associated with a motorbike. This unique combination made the DNA 50 immensely popular, especially among younger riders seeking a sporty look with effortless operation.
A Century of Gilera Excellence
Established in 1909, Gilera has long been a prominent name in the two-wheeled world, renowned for its commitment to innovation and engineering. This rich heritage is evident in every model, including the DNA 50. While the brand is well-known for producing some of the UK's best-selling scooters, the DNA 50 stands out as a testament to their willingness to push boundaries and create something truly unique. It was marketed with the bold strapline, '100% Scooter, 100% Motorbike, 200% Radical,' a slogan that perfectly captured its audacious design and concept.
Design and Performance: The Best of Both Worlds
The Gilera DNA 50 was designed to look and feel like a small capacity motorbike while retaining the ease of use of a scooter. Key design features included larger 14-inch wheels, robust front forks, and a body layout that mimicked a sport bike, complete with an open cradle beam frame and a small headlamp fairing. The 'dummy' fuel tank and 'clip-on' style handlebars further contributed to its sporty, motorcycle-like riding position, which was a significant draw for its target audience. Despite its aggressive appearance, the DNA 50 maintained a twist-and-go engine with automatic transmission, making it incredibly accessible for riders of all experience levels.
In terms of performance, the UK version of the DNA 50cc was restricted to 30mph, in accordance with local laws for 50cc mopeds. However, it quickly gained a reputation for being relatively easy to de-restrict, with many owners reporting speeds of up to 60mph on unrestricted models. This potential for higher speeds, combined with its sharp handling and sporty aesthetics, contributed significantly to its popularity and even led to its use in scooter racing circuits.
Key Specifications at a Glance
Understanding the core specifications of the Gilera DNA 50 is crucial for any owner or prospective buyer. Here's a breakdown:
| Category | Specification |
|---|---|
| Manufacturer | Gilera |
| Model | DNA 50 |
| Engine Type | Single cylinder (2 stroke) |
| Displacement | 49 cc |
| Bore × Stroke | 40 × 39.3mm |
| Engine Code | C271M |
| Cooling System | Liquid cooled |
| Gearbox | Automatic |
| Max. Power Output | 3 BHP |
| Top Speed (approx.) | 30mph (restricted UK version) |
| Idle Speed | 1800rpm |
| Fuel System | Carburetor (Dellorto PHVA 17.5ID) |
| Fuel Type | Unleaded petrol |
| Petrol Tank Capacity | 9.5 litres |
| Dry Weight | 101kg |
| Wet Weight | 112kg |
| Insurance Group | 7 (of 17) |
Models and UK Production Years
The Gilera DNA 50 was produced for a relatively short but impactful period in the UK. Two primary models were available:
| Model Variant | Production Years (UK) | Key Features & Colours | Cost New (approx.) |
|---|---|---|---|
| DNA 50cc | July 2000 to early 2005 | Hybrid motorcycle with scooter engine, single rear shock, conventional front suspension, front & rear disc brakes, open cradle beam frame, 14-inch 5-spoke wheels, small headlamp fairing. Available in Red, Yellow, or Black. Frame number started: ZAPC270000——- | £1999 |
| DNA 50 RST | 2005 to 2006 | Similar to the base model with minor changes, notably to the handlebars. Available in Stone Gray and Diamond White. | £1999 |
Essential Maintenance for Your Gilera DNA 50
Proper maintenance is crucial for keeping any vehicle, especially a 2-stroke engine like the Gilera DNA 50, in optimal condition. Neglecting routine checks and fluid changes can lead to costly repairs down the line. One of the most critical aspects for the DNA 50 is the type of engine oil used. Owners are strongly advised to use only a quality fully synthetic oil for the 2-stroke engine lubrication. Cheaper or lower-grade oils can severely impact engine longevity and performance.
Service Schedule & Fluid Specifications
To help you keep your DNA 50 running smoothly, here's a detailed service schedule and the specific fluids required:
| Component | Check Interval | Change Interval | Recommended Fluid | Volume/Grade (where applicable) |
|---|---|---|---|---|
| Gearbox / Final Drive Oil | Every 5,000km (3,107 miles) or 12 months | Every 10,000km (6,214 miles) or 24 months | 80w/90 drive oil | 100ml |
| Hydraulic Brake System | Every 5,000km (3,107 miles) or 12 months | Every 24 months | DOT 4 motorbike brake fluid | - |
| Cooling System | Every 5,000km (3,107 miles) or 12 months | Every 24 months | Motorbike coolant | - |
| Front Forks | Every 5,000km (3,107 miles) or 12 months | Every 24 months | 10w fork oil | 280ml (per fork) |
| Engine Lubrication | Continuous (via auto-lube system) | Top up as needed | Fully synthetic 2 Stroke oil | - |
Other vital checks include spark plug (NGK BR9ES, gap 0.6-0.7mm, torque 25-30nm), tyre pressures (Front: 26psi/1.8 bar, Rear: 29psi/2.0 bar), and general inspection of brake components (discs and pads).
Brakes, Wheels, and Suspension
The DNA 50 came equipped with capable braking and suspension components:
- Front Brake: Single 240mm disc brake with 25mm dual-piston floating caliper. Specific pads vary by caliper type (Grimeca: EBC SFA194; Heng Tong: EBC SFA353).
- Rear Brake: Single 200mm disc brake with 30mm piston caliper. Pads: EBC SFA260.
- Wheels: Both front and rear wheels are 14-inch, 5-spoke designs with tubeless tyres (Front: 120/70-14; Rear: 140/70-14).
- Suspension: Telescopic hydraulic forks at the front (35mm stanchion diameter) and a single monoshock at the rear.
Buying Advice for a Used Gilera DNA 50
While the Gilera DNA 50 remains a desirable and visually appealing machine, potential buyers of used models should proceed with caution. As a general rule, these bikes are often available cheaply, and there's usually a good reason for it. Many were owned by younger riders and, regrettably, may have been pushed to their limits and poorly maintained, often run on inferior quality 2-stroke oil. This is a significant issue, as the DNA 50 absolutely requires a good quality, fully synthetic 2T oil to prevent engine wear and failure.
Beyond the potential for hard use, the DNA 50 is known to have a few electrical gremlins. The wiring looms, surprisingly complex for a 50cc bike, were prone to problems. Furthermore, the Gilera DNA once held the infamous title of the 'Most stolen bike in the UK' at one point. This history necessitates extreme vigilance when checking paperwork, keys, and inspecting for any signs of damaged locks or attempted theft. You should absolutely avoid any bike without proper documentation.
Finally, due to their popularity and the tendency for riders to push their limits, there are many crashed and poorly repaired examples circulating. Always inspect the frame, forks, and other critical components for any signs of damage or sub-standard repairs.
Frequently Asked Questions (FAQs)
What kind of oil should a Gilera DNA 50 use?
The Gilera DNA 50cc requires a quality fully synthetic 2 Stroke oil for its engine lubrication. Using anything less can lead to premature engine wear and significant problems.
What is the top speed of a Gilera DNA 50?
The UK version of the Gilera DNA 50 is restricted to approximately 30mph (as per UK law for 50cc mopeds). However, de-restricted models have been reported to reach speeds of up to 60mph.
Is the Gilera DNA 50 a scooter or a motorbike?
It's best described as a hybrid. It operates like a scooter with its automatic transmission and twist-and-go throttle, but it features styling, chassis components, and a riding position more akin to a small motorbike.
Where can I find the frame number on a Gilera DNA 50?
The frame number can typically be found stamped on the right side of the headstock (when you are sitting on the bike).
What is the fuel tank capacity of a Gilera DNA 50?
The petrol tank capacity for the Gilera DNA 50 is 9.5 litres.
Are parts for the Gilera DNA 50 still available?
While the bike is no longer in production, many replacement parts, spares, and accessories are still available through various online retailers and specialist shops.
The Gilera DNA 50, with its distinctive styling and performance capabilities, remains a memorable and sought-after machine for enthusiasts. By understanding its unique characteristics and adhering to proper maintenance protocols, owners can continue to enjoy this radical hybrid for years to come.
If you want to read more articles similar to The Gilera DNA 50: A Hybrid Revolution, you can visit the Automotive category.