2004 Yamaha DT 125 RE Technical Analysis & Specification Breakdown
Engineered by Yamaha for the enduro - offroad motorcycle segment, the 2004 Yamaha DT 125 RE features a 124 cc (7.6 cu in) liquid-cooled single cylinder, two-stroke configuration. Internal engine geometry specifies a bore and stroke of 56.0 x 50.7 mm (2.2 x 2.0 inches) with a 6.7:1 compression ratio.
On the scales, the DT 125 RE measures 117 kg (258 lbs) dry. Rider ergonomics and chassis geometry center around a 915 mm (36 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,415 mm (55.7 in) wheelbase engineered for quick, flickable steering geometry.
Within MotoLibrary's Yamaha archive, this model family spans 3 indexed model years from 2004 to 2007, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
915 mm (36 in)
Engine
Displacement124.0 ccm (7.57 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Compression6.7:1
Bore x Stroke56.0 x 50.7 mm (2.2 x 2.0 inches)
Fuel SystemInjection
CoolingLiquid
Transmission
Final DriveChain (final drive)
Chassis
Front SuspensionTelescopic fork
Front Travel270 mm (10.6 inches)
Rear SuspensionMonocross
Rear Travel265 mm (10.4 inches)
Wheelbase1415 mm (55.7 inches)
Ground Clearance315 mm (12.4 inches)
Wheels & Brakes
Front Tyre80/90-21
Rear Tyre110/80-18
Front BrakesSingle disc
Front Brake Ø230 mm (9.1 inches)
Rear BrakesSingle disc
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Dry Weight117.0 kg (257.9 pounds)
Seat Height915 mm (36.0 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
