Naked Motorcycles

2009Derbi Mulhacen 659

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The 2009 Derbi Mulhacen 659 is a Spanish naked bike powered by a 659cc single-cylinder engine with fuel injection, designed for riders seeking a versatile middleweight platform. Known for its lightweight construction and manageable power delivery, it appeals to both experienced riders and those stepping up from smaller bikes. The liquid-cooled four-stroke engine and five-speed gearbox provide reliable everyday performance with practical street-oriented character.

Capacity: 659.7 ccm
Engine: Single, four-stroke
Gearbox: 5-speed
Dry weight: 165.0 kg
Seat height: 810 mm
Power: 72.6 HP (53.4 kW)

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What’s new for the 2009 Derbi Mulhacen 659

vs the 2008

Spec	2008	2009
Front suspension	43 mm. Upside-down fork. 120 mm travel	43 mm. Upside-down fork.
Rear suspension	Hydraulic progressive linkage monoshock.120 mm travel	Hydraulic progressive linkage monoshock.
Front brakes	Single disc	Single disc. Wave disc with radial mounted caliper

Other years 2005 2006 2007 2008 2009 2010 2011

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail30%

Cornering72%

City riding75%

Daily riding65%

Touring35%

Two-up30%

Track35%

Best for: Built primarily as an urban and backroad naked bike, favoring nimble handling over outright speed or long-distance comfort.
Built for: It has a raw, single-cylinder character with punchy low-end torque, a light chassis, and sharp, motard-influenced handling.
Not ideal for: This is not the right bike for riders seeking sustained highway speed, long-haul touring comfort, or serious off-road capability.

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

Will it fit you?

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Your height

Inseam (optional)

Units

At 810mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2009 Derbi Mulhacen 659, with a relaxed knee angle of around 120 degrees and a forward-leaning 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.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 659.7 ccm
Power: 72.6 HP (53.4 kW)
Engine type: Single, four-stroke
Power/weight ratio: 0.4400 HP/kg (dry)
Bore x stroke: 100.0 x 84.0 mm
Compression: 10.0:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Ignition: CDI
Valves per cylinder: 4
Lubrication system: Dry sump
Torque: Not on record - add it

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain
Clutch: Multi-plate

Dimensions & weight

Wheelbase: 1386 mm
Overall length: 2120 mm
Overall width: 750 mm
Overall height: 1072 mm
Seat height: 810 mm
Dry weight: 165.0 kg
Fuel capacity: 13.00 litres

Chassis & suspension

Frame: Tubular High Tensile Steel
Front suspension: 43 mm. Upside-down fork.
Rear suspension: Hydraulic progressive linkage monoshock.
Front wheel travel: 120 mm
Rear wheel travel: 120 mm

Brakes & wheels

Front brakes: Single disc. Wave disc with radial mounted caliper
Front brakes diameter: 320 mm
Rear brakes: Single disc
Rear brakes diameter: 245 mm
Front tyre: 110/80-18
Rear tyre: 150/70-18

Other

Color options: White

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	2005	2007	2008	2009	2010	2011
Capacity	659 cc	659 cc	660 cc	660 cc	660 cc	660 cc
Dry weight	160 kg	160 kg	165 kg	165 kg	167 kg	165 kg
Seat height	800 mm	800 mm	810 mm	810 mm	810 mm	810 mm
Fuel capacity	9 L	13 L	13 L	13 L	13 L	13 L