CR&S VUN Underpowerd
2008Naked

CR&S VUN Underpowerd

Key specifications

Engine
652 cc
Power
29 HP
Torque
37 Nm
Weight
135 kg
Fuel type
petrol
Fuel capacity
3.7 L
Transmission
5-speed
Seat height
32 mm
Front brakes
Single disc
Rear brakes
Single disc

Overview

Introducing the 2008 CR&S VUN Underpowerd, a striking naked bike that embodies the spirit of Italian craftsmanship and design. Positioned for those who appreciate the blend of retro aesthetics and modern engineering, the VUN Underpowerd captures the essence of cafe racers and superbikes, as suggested by its name. The bike stands out in the crowded market of naked bikes, designed for riders seeking an authentic and engaging riding experience with a unique flair that only CR&S can deliver. At the heart of the VUN Underpowerd is a spirited 652cc single-cylinder, four-stroke engine that produces 29 horsepower at 6,000 RPM. While it may not be the most powerful option on the market, the bike compensates with a robust torque delivery of 37 Nm at 4,000 RPM, ensuring that riders experience a lively performance in urban settings and winding backroads alike. The liquid-cooled engine is paired with a 5-speed gearbox, providing smooth gear transitions and a responsive power delivery that enhances the overall ride. The lightweight design of just 135 kg (297.6 lbs) and a power-to-weight ratio of 0.2148 HP/kg further contribute to the bike's agility, making it an exhilarating companion for both new riders and seasoned enthusiasts. The CR&S VUN Underpowerd is not just about performance; it’s packed with features that enhance the riding experience. The bike boasts a durable steel tube frame complemented by machined light alloy plates, ensuring both strength and a lightweight feel. The front hydraulic fork and rear swingarm suspension offer 120 mm and 128 mm of travel respectively, providing comfort and stability on various terrains. The single disc brakes, with a 320 mm diameter up front and 220 mm at the rear, deliver reliable stopping power while maintaining the minimalist aesthetic that defines naked bikes. With a seat height of 800 mm, riders of varying heights can enjoy the VUN Underpowerd's commanding riding position. **

Pros

  • Unique Design: The CR&S VUN Underpowerd features a distinct Italian styling that sets it apart in the naked bike segment, appealing to those who value aesthetics.
  • Lightweight Agility: Weighing in at just 135 kg, this motorcycle offers exceptional maneuverability, making it ideal for city riding and sharp turns.
  • Engaging Ride: The combination of a responsive engine and a well-tuned suspension system makes for a thrilling riding experience, especially on twisty roads.

Cons

  • Limited Power Output: With only 29 HP, the VUN Underpowerd may feel underpowered compared to competitors in the naked bike category, particularly for those accustomed to more robust machines.
  • Niche Market Appeal: Its unique design and lower performance figures may limit its appeal to a broader audience, attracting mainly enthusiasts rather than general riders.
  • Braking Performance: While adequate for everyday riding, the single disc brakes may not provide the same level of stopping power as dual-disc setups found on more performance-oriented bikes.

Technical details

Source specification data

Make
CR&S
Model
VUN Underpowerd
Category
Naked bike
Starter
Electric
Comments
R
and
S
is an abbreviation of
Cafe Racers
and
Superbikes
.
Power
29.00 HP (21.2 kW)) @ 6000 RPM
Torque
37.00 Nm (3.8 kgf-m or 27.3 ft.lbs) @ 4000 RPM
Gearbox
5-speed
Fuel System
Injection
Bore X Stroke
100.0 x 83.0 mm (3.9 x 3.3 inches)
Compression
9.7:1
Displacement
652.00 ccm (39.79 cubic inches)
Cooling System
Liquid
Engine Details
Single cylinder, four-stroke
Valves Per Cylinder
4
Transmission Type Final Drive
Chain
Dry Weight
135.0 kg (297.6 pounds)
Seat Height
800 mm (31.5 inches) If adjustable, lowest setting.
Fuel Capacity
14.00 litres (3.70 gallons)
Overall Length
1,980 mm (78.0 inches)
Ground Clearance
150 mm (5.9 inches)
Power Weight Ratio
0.2148 HP/kg
Rear Tyre
160/60-ZRX17
Frame Type
Steel tubes and machined light alloy plates compound
Front Tyre
120/70-ZRX17
Rear Brakes
Single disc
Front Brakes
Single disc
Rear Suspension
Swingarm
Front Suspension
Hydraulic fork
Rear Wheel Travel
128 mm (5.0 inches)
Front Wheel Travel
120 mm (4.7 inches)
Rear Brakes Diameter
220 mm (8.7 inches)
Front Brakes Diameter
320 mm (12.6 inches)