Suzuki RM 125 - 2007 Specifications and Reviews

The 2007 Suzuki RM 125 is a lightweight 125cc two-stroke motocross bike designed for intermediate and amateur racers seeking competitive performance. Known for its responsive power delivery and agile handling, the RM 125 excels in technical terrain with fully adjustable suspension offering 12.2 inches of travel front and rear. Its liquid-cooled engine and advanced damping options make it a capable machine for serious weekend warriors and club-level competition.

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General information

CategoryCross / motocross
Year2007
ModelSuzuki RM 125
 
 

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemPremix
IgnitionDigital CDI
Fuel systemCarburettor. Mikuni TMX38S
Bore x stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Compression8.3:1
Engine typeSingle cylinder, two-stroke
Capacity:124.00 ccm (7.57 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesSingle disc
Rear tyre dimensions110/90-19
Front tyre dimensions80/90-21
Rear suspensionLink-type, spring preload fully-adjustable, 4 high-speed, 16 low-speed compression settings, 19 rebound settings, 12.2 inches of wheel travel
Front suspensionTelescopic, 22 compression and 20 rebound settings, 12.2 inches of wheel travel
 
 

Physical measures and capacities

Fuel capacity8.00 litres (2.11 gallons)
Wheelbase1,450 mm (57.1 inches)
Ground clearance350 mm (13.8 inches)
Overall width830 mm (32.7 inches)
Overall length2,145 mm (84.4 inches)
Overall height1,275 mm (50.2 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight87.0 kg (191.8 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsYellow

Performance Profile & Rider Fit

Best For

Track85%
City5%
Cornering90%
Daily Riding5%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a pure competition motocross bike best suited to experienced or intermediate off-road riders comfortable with a peaky two-stroke powerband.
PurposeBuilt exclusively for motocross track riding and racing, not for street or general recreational use.
Rider FitIts tall 950mm seat height, lightweight 87kg chassis, and aggressive ergonomics demand good rider fitness, strength, and off-road skill to manage standing and cornering loads.
CharacterA raw, high-revving two-stroke racer that rewards aggressive riding, precise clutch and throttle control, and active body positioning on the track.
Not Ideal ForThis is not suitable for commuting, touring, passengers, or casual road riders since it is unregistered, uncomfortable at low speed, and lacks lights or road equipment.

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

Rider Fit Visualizer

2007 Suzuki RM 125 Rider Ergonomics Assessment

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Feet:

At 950mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2007 Suzuki RM 125, with a cramped knee angle of around 85 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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