
Diamo RS 250
Key specifications
Overview
Introducing the 1999 Diamo RS 250, a compact powerhouse that carved out a niche in the sport motorcycle category during its production run. With a sleek, aggressive design and an unmistakable presence on the road, the RS 250 was aimed at riders looking for a lightweight yet potent machine. Diamo, a name known for its innovative approach to motorcycling, positioned the RS 250 as an ideal entry point for enthusiasts seeking a blend of performance and agility without breaking the bank. At the heart of the Diamo RS 250 lies a 249cc V2 two-stroke engine that churns out a remarkable 55 horsepower at 11,000 RPM. This high-revving engine is coupled with a 6-speed gearbox that ensures a thrilling ride, allowing the bike to reach a top speed of 203 km/h (126.1 mph). The torque delivery is equally impressive, peaking at 35 Nm at 10,700 RPM, which provides exhilarating acceleration and responsiveness. With a compression ratio of 12.0:1 and a liquid cooling system, the engine is designed to maintain performance even during spirited rides. Fuel efficiency is an attractive feature, boasting an incredible 151.5 km/l, making the RS 250 a cost-effective choice for both daily commutes and weekend adventures. The Diamo RS 250 is not just about raw power; it also showcases thoughtful engineering in its chassis and suspension design. The motorcycle features dual disc brakes at the front with a generous 298 mm diameter for superior stopping power, while the rear single disc measures 220 mm. This braking setup provides confidence-inspiring performance for cornering and emergency stops. The suspension offers a balanced ride with 120 mm of front travel and 130 mm at the rear, allowing for nimble handling and stability on various terrains. The 19.5-litre fuel tank ensures that riders can enjoy long rides without frequent stops, and with a seat height of 820 mm, it caters to a wide range of riders, ensuring comfort and accessibility. **
Pros
- Impressive Performance: The 55 HP engine delivers exhilarating acceleration and high top speeds, making it perfect for sport riding.
- Exceptional Fuel Economy: With a fuel consumption of just 0.66 litres/100 km, the RS 250 is highly economical, keeping running costs low.
- Lightweight and Agile Handling: Weighing in at 168 kg, the bike offers nimble handling and easy maneuverability, ideal for both new and experienced riders.
Cons
- Limited Storage Options: The sportbike design may lack practicality for riders looking for storage solutions for daily use.
- Two-Stroke Maintenance: The two-stroke engine may require more frequent maintenance and attention compared to four-stroke counterparts.
- Kick Starter Only: The absence of an electric starter might be seen as outdated by some riders, especially in today’s market where convenience is key.
Technical details
Source specification data
- Make
- Aprilia
- Model
- RS 250
- Category
- Sport
- Starter
- Kick
- Power
- 55.00 HP (40.1 kW)) @ 11000 RPM
- Torque
- 35.00 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 10700 RPM
- Gearbox
- 6-speed
- Top Speed
- 203.0 km/h (126.1 mph)
- Bore X Stroke
- 56.0 x 50.6 mm (2.2 x 2.0 inches)
- Compression
- 12.0:1
- Displacement
- 249.00 ccm (15.19 cubic inches)
- Cooling System
- Liquid
- Engine Details
- V2, two-stroke
- Fuel Consumption
- 0.66 litres/100 km (151.5 km/l or 356.40 mpg)
- Greenhouse Gases
- O2
- g/km. (
- O2
- -
- Carbon
- dioxide emission)
- Zero To One Hundred
- 4.300 seconds
- Sixty To One Hundred And Forty
- 33.000 seconds
- Transmission Type Final Drive
- Chain
- Seat Height
- 820 mm (32.3 inches) If adjustable, lowest setting.
- Fuel Capacity
- 19.50 litres (5.15 gallons)
- Weight Incl Oil Gas Etc
- 168.0 kg (370.4 pounds)
- Front Percentage Of Weight
- 50.6
- Rear Tyre
- 150/60-ZR17
- Front Tyre
- 120/60-ZR17
- Rear Brakes
- Single disc
- Front Brakes
- Dual disc
- Rear Wheel Travel
- 130 mm (5.1 inches)
- Front Wheel Travel
- 120 mm (4.7 inches)
- Rear Brakes Diameter
- 220 mm (8.7 inches)
- Front Brakes Diameter
- 298 mm (11.7 inches)