Diamo RS 250 - 2009 Specifications and Reviews

The 2009 Diamo RS 250 is a lightweight enduro bike designed for budget-conscious riders seeking off-road adventure. Its air-cooled single-cylinder engine delivers modest power suitable for trail exploration and beginner-to-intermediate riders. Known for simplicity and affordability, this 250cc machine excels in remote terrain where reliability and low maintenance are priorities.

2009
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General information

CategoryEnduro / offroad
Year2009
ModelDiamo RS 250

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemAir
StarterElectric & kick
IgnitionCDI
Fuel controlOHC
Fuel systemCarburettor
Power15.40
Stroke4
Engine typeSingle cylinder
Capacity:250.00 ccm (15.26 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,359 mm (53.5 inches)
Ground clearance254 mm (10.0 inches)
Overall width845 mm (33.3 inches)
Seat height838 mm (33.0 inches) If adjustable, lowest setting.
Dry weight118.8 kg (262.0 pounds)
 
 

Diamo RS 250 dimensions and frame

Rear brakesSingle disc. ABS
Front brakesSingle disc. ABS
Rear tyre dimensions4.10-18
Front tyre dimensions2.75-21
Rear suspensionMoncross
Front suspensionHeavy-duty inverted fork
Frame typeSteel

Speed and acceleration

Power/weight ratio0.1296 HP/kg

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsRed, blue, orange
Fuel consumption pr. 10 km (6.2 miles)3.22 litres (0.85 gallons)
Fuel capacity7.57 litres (2.00 gallons)

Performance Profile & Rider Fit

15.4 hp
Peak Power
14.5s
0-60 mph

Best For

Track15%
City45%
Cornering40%
Daily Riding40%
Touring20%
Passenger20%

Rider Profile

Best ForSuited to beginner and intermediate riders who want a light, forgiving off-road-focused machine without intimidating power.
PurposeBuilt primarily for trail riding and light enduro use, with limited practicality as a highway or long-distance touring bike.
Rider FitIts tall seat height and narrow, lightweight chassis favor riders of average to taller height who can manage standing and shifting body weight off-road.
CharacterA simple, rugged, low-stress single-cylinder dual-purpose bike that rewards relaxed, momentum-based riding over outright speed.
Not Ideal ForNot a good fit for riders seeking high-speed touring, passenger comfort, or aggressive on-road performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2009 Diamo RS 250 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 838mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2009 Diamo RS 250, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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