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Enduro Bikes

2009Diamo RS250

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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.

Capacity
250.0 ccm
Engine
Single
Gearbox
5-speed
Dry weight
118.8 kg
Seat height
838 mm
Power
15.4 HP (11.3 kW) @ 7500 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2009 Diamo RS250

vs the 2008
Spec20082009
Front suspension Telescopic Heavy-duty inverted fork
Other years 2008 2009

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 25Agility 78Comfort 35Off-road 82Touring 25Road manners 40
Off-road & trail82%
Cornering40%
City riding45%
Daily riding40%
Touring20%
Two-up20%
Track15%
Best for
Built primarily for trail riding and light enduro use, with limited practicality as a highway or long-distance touring bike.
Built for
A simple, rugged, low-stress single-cylinder dual-purpose bike that rewards relaxed, momentum-based riding over outright speed.
Not ideal for
Not a good fit for riders seeking high-speed touring, passenger comfort, or aggressive on-road performance.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 838mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2009 Diamo RS250, with a cramped knee angle of around 70 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

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Full specifications

Engine
Capacity
250.0 ccm
Power
15.4 HP (11.3 kW) @ 7500 RPM
Engine type
Single
Power/weight ratio
0.1296 HP/kg (dry)
Cooling system
Air
Fuel system
Carburettor
Starting
Electric & kick
Ignition
CDI
Torque
Not on record - add it
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Chain
Dimensions & weight
Wheelbase
1359 mm
Overall width
845 mm
Seat height
838 mm
Dry weight
118.8 kg
Fuel capacity
7.60 litres
Ground clearance
254 mm
Chassis & suspension
Frame
Steel
Front suspension
Heavy-duty inverted fork
Rear suspension
Moncross
Brakes & wheels
Front brakes
Single disc. ABS
Rear brakes
Single disc. ABS
ABS
Yes
Front tyre
2.75-21
Rear tyre
4.10-18
Other
Color options
Red, blue, orange

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20082009
Capacity 250 cc 250 cc
Dry weight 119 kg 119 kg
Seat height 838 mm 838 mm
Fuel capacity 7.6 L 7.6 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Diamo RS250?

The 2009 Diamo RS250 has a Capacity of 250.0 ccm (15.26 cubic inches).

What engine power does the Diamo RS250 have?

The 2009 Diamo RS250 has a Power of 15.4 HP (11.3 kW) @ 7500 RPM.

How many gears does the Diamo RS250 have?

The 2009 Diamo RS250 has a Gearbox of 5-speed.

How much does the Diamo RS250 weigh?

The 2009 Diamo RS250 has a Dry weight of 118.8 kg (261.9 pounds).

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